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Palit Radeon HD 4870X2

Just when you think GPU’s have topped out on speed along comes the Palit Raedon HD 4870X2 to change your perception of speed.


With games ramping up their requirements and with the never-ending needs of enthusiasts on the rise, it seems like everyone is looking for a more powerful GPU that offers speed they need now, and that little extra “umph” for future proofing. Others are just looking for blazing fast frame rates with immersive graphics, while a select few are looking not only for blazing graphics performance, but a world record class GPU.

ATI has released the Radeon 4870 line which is a very capable GPU that the average enthusiast would be content with. Then they upped the ante with the Radeon HD 4870X2; currently the most powerful single card GPU in the world. Not that it’s a single GPU, but in fact it’s two GPU’s married on one PCB.

We’ve got it for you to gander at, and we’re gonna drive it like we stole it. So sit back, and hold on to your seats!

About Palit

Palit Multimedia Inc. provides a wide range of industry-leading graphics cards to North and Latin America with a focus on service, support and innovative products. Palit Multimedia is affiliated with Palit Microsystems, a world-leading supplier in the design, manufacture, and distribution of PC graphics accelerators which was established in 1988. Palit is well positioned to maintain an industry leadership due to the vast array of NVIDIA® and AMD’s ATI® graphics products and on-going development efforts.


GPU Comparison Table

Here’s a graphic that show some of the hottest GPU’s around so you can get a perspective of the changes from GPU to GPU, ATI to NVIDIA.

Major GPU Specifications
GPU HD 3870 X2 9800 GX2 Palit 4870X2 GTX 260 BFG GTX 260 MaxCore GTX 280 HD 4850 HD 4870
GPU frequency 825 MHz 600 MHz 750 MHz 576 MHz 655 MHz 602 MHz 625 MHz 750 MHz
ALU frequency 825 MHz 1500 MHz 750 MHz 1242 MHz 1404 MHz 1296 MHz 625 MHz 750 MHz
Memory frequency 900 MHz 1000 MHz 900 MHz 999 MHz 1125 MHz 1107 MHz 993MHz 900MHz
Memory bus width 2×256 bits 2×256 bits 2×256 bits 448 bits 448 bits 512 bits 256 bits 256 bits
Memory quantity 2 x 512 MB 2 x 512 MB 2 x 1024 MB 896 MB 896 MB 1024 MB 512 MB 512 MB
Number of ALUs 640 256 128 192 216 240 800 800
Number of texture units 32 128 80 64 72 80 40 40
Number of ROPs 32 32 32 28 28 32 16 16
Shading power 1 TFlop 1152 GFlops 2.4 TFlops 715 GFlops 824 GFlops 933 GFlops 1 TFlop 1.2 TFlops
Memory bandwidth 115.2 GB/s 128 GB/s 115.2 GB/s (x2 111.9 GB/s 126.0 GB/s 141.7 GB/s 31.78 GB/s 115.2 GB/s
Number of transistors 1334 mil 1010 mil 956 mil X 2 1400 mil 1400 mil 1400 mil 965 mil 965 mil
Process 55nm 65nm 55nm 65nm 65nm 65nm 55nm 55nm
Die surface area 2 x 196 mm² 2 x 324 mm² 2 x 260 mm² 576 mm² 576 mm² 576 mm² 260mm² 260mm²
Generation 2008 2008 2008 2008 2008 2008 2008 2008
Shader Model supported 4.0 4.0 4.1 4.0 4.0 4.0 4.1 4.1

Feature & Specifications

Microsoft DirectX 10.1 support

  • Shader Model 4.1
  • 32-bit floating point texture filtering
  • Indexed cube map arrays
  • Independent blend modes per render target
  • Pixel coverage sample masking
  • Read/write multi-sample surfaces with shaders
  • Gather4 texture fetching

Unified Superscalar Shader Architecture

  • 800 stream processing units
  • Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders
  • Common instruction set and texture unit access supported for all types of shaders
  • Dedicated branch execution units and texture address processors
  • 128-bit floating point precision for all operations
  • Command processor for reduced CPU overhead
  • Shader instruction and constant caches
  • Up to 160 texture fetches per clock cycle
  • Up to 128 textures per pixel
  • Fully associative multi-level texture cache design
  • DXTC and 3Dc+ texture compression
  • High resolution texture support (up to 8192 x 8192)
  • Fully associative texture Z/stencil cache designs
  • Double-sided hierarchical Z/stencil buffer
  • Early Z test, Re-Z, Z Range optimization, and Fast Z Clear
  • Lossless Z & stencil compression (up to 128:1)
  • Lossless color compression (up to 8:1)
  • 8 render targets (MRTs) with anti-aliasing support
  • Physics processing support

Dynamic Geometry Acceleration

  • High performance vertex cache
  • Programmable tessellation unit
  • Accelerated geometry shader path for geometry amplification
  • Memory read/write cache for improved stream output performance

Anti-aliasing features

  • Multi-sample anti-aliasing (2, 4 or 8 samples per pixel)
  • Up to 24x Custom Filter Anti-Aliasing (CFAA) for improved quality
  • Adaptive super-sampling and multi-sampling
  • Gamma correct
  • Super AA (ATI CrossFireX configurations only)
  • All anti-aliasing features compatible with HDR rendering

Texture Filtering Features

  • 2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel)
  • 128-bit floating point HDR texture filtering
  • sRGB filtering (gamma/degamma)
  • Percentage Closer Filtering (PCF)
  • Depth & stencil texture (DST) format support
  • Shared exponent HDR (RGBE 9:9:9:5) texture format support

OpenGL 2.0 support

  • ATI PowerPlay

Advanced power management technology for optimal performance and power savings


  • Constantly monitors GPU activity, dynamically adjusting clocks and voltage based on user scenario
  • Clock and memory speed throttling
  • Voltage switching
  • Dynamic clock gating

Central thermal management – on-chip sensor monitors GPU temperature and triggers thermal actions as required

Two Independent Display Controllers

  • Drive two displays simultaneously with independent resolutions, refresh rates, color controls and video overlays for each display
  • Full 30-bit display processing
  • Programmable piecewise linear gamma correction, color correction, and color space conversion
  • Spatial/temporal dithering provides 30-bit color quality on 24-bit and 18-bit displays
  • High quality pre- and post-scaling engines, with underscan support for all display outputs
  • Content-adaptive de-flicker filtering for interlaced displays
  • Fast, glitch-free mode switching
  • Hardware cursor

Two Integrated DVI Display Outputs

  • Primary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920×1200 (single-link DVI) or 2560×1600 (dual-link DVI)
  • Secondary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920×1200 (single-link DVI only)3
  • Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content4

Two integrated 400MHz 30-bit RAMDACs

  • Each supports analog displays connected by VGA at all resolutions up to 2048×15363

DisplayPort Output Support

  • Supports 24- and 30-bit displays at all resolutions up to 2560×16003

HDMI Output Support (Non Standardized)

  • Supports all display resolutions up to 1920×10803
  • Integrated HD audio controller with up to 2 channel 48 kHz stereo or multi-channel (7.1) AC3 enabling a plug-and-play cable-less audio solution

Integrated AMD Xilleon HDTV encoder

  • Provides high quality analog TV output (component/S-video/composite)
  • Supports SDTV and HDTV resolutions
  • Underscan and overscan compensation
  • MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264/AVC encoding and transcoding
  • Seamless integration of pixel shaders with video in real time
  • VGA mode support on all display outputs

ATI CrossFireX Multi-GPU Technology

  • Scale up rendering performance and image quality with two GPUs
  • Integrated compositing engine
  • High performance dual channel bridge interconnect

ATI Avivo Video Post Processor

  • New enhanced DVD upconversion to HD new!
  • New automatic and dynamic contrast adjustment new!
  • Color space conversion
  • Chroma subsampling format conversion
  • Horizontal and vertical scaling
  • Gamma correction
  • Advanced vector adaptive per-pixel de-interlacing
  • De-blocking and noise reduction filtering
  • Detail enhancement
  • Inverse telecine (2:2 and 3:2 pull-down correction)
  • Bad edit correction
  • Full score in HQV (SD) and HQV (HD) video quality benchmarks
  • ATI Avivo HD Video and Display Platform

2nd generation Unified Video Decoder (UVD 2)

  • Enabling hardware decode acceleration of H.264, VC-1 and MPEG-2
  • Dual stream playback (or Picture-in-picture)
  • Hardware MPEG-1, and DivX video decode acceleration
  • Motion compensation and IDCT


Just looking at the Palit Radeon HD 4870X2 you can tell you’re not looking at your Dad’s GPU. When you first get it out of the box the sheer weight of it will give you a moments thought about hanging it sideways in your chassis. We had no problem getting it in our chassis (Thermaltake Armor) after we got it off the test station, but if you have one of those small mid towers I’d think twice.

Taking a look at the back of the GPU you can see where the two physical cores are, and more stickers than any GPU of this magnitude should have to suffer.


That’s a manly looking GPU if you ask us, not one of those single slot models that make the E-Ego feleing deflated. Carry that bad boy into a LAN party inside a windowed chassis and they’ll know you’re serious about your gaming.

At that angle the GPU looks more like weapon than a graphics adapter. It’s a little reminiscent of a shoulder fired LAW (Light Anti-Tank Weapon).

Looking at the end of the GPU we see the same dual slot arrangement we’ve been accustomed to since the 8800GTX series came out.

The bundle has all the needed hardware for you to get up and running, but any time we see a major GPU without a full game title we still cringe. In the bundle you’ll find:


  • 1 – Manual
  • 1 – Driver Disk
  • 1 – DVI to HDMI Adapter
  • 1 – Crossfire Bridge
  • 1 – S-Video to Composite Adapter
  • 1 – DVI to VGA Adapter
  • 1 – 8 to 6 pin power adapter



We did a fresh load of Vista 64 with all the latest drivers and patches applied on our test rig for the Palit Raedon HD 4870X2. We ran all the tests at least three times and the average of the test results are reported here. Testing on the games was done in DX10 if they supported it, otherwise they were tested in DX9.

Test Rig

Test Rig
Case Type Thermaltake Armor
CPU Unknown
Motherboard Unknown
Ram Samsung DDR3 1066 3GB
CPU Cooler Swiftech MCP655 Pump
Swiftech Apogee GT CPU Water Block
Swiftech Micro Res
Swiftech MCR320 360mm Radiator
3 Yate Loon 120mm 12v Fans 83CFM
Hard Drives Intel 80 GB SSD
Optical Sony DVD R/W
GPU’s Tested Palit Radeon HD 4870X2 Drivers Catalyst 8.10
BFG GTX-260 OCX @ 655/1125 Drivers – Vista 180.42
Sapphire HD 4870 @ 750/900 Drivers – Catalyst 8.10
Sapphire Toxic HD 4850 @ 675/1100 Drivers – Catalyst 8.10
Leadtek GTX-260 @ 576/999 Drivers Vista 180.14
Case Fans Two 120mm Thermaltake Front/Rear Push/Pull
250mm Side fan
90mm Rear Exhaust
90mm Top Exhaus
Docking Stations Tagan IB290 W/Deskstar 2 1/2 Inch 80 Gig Sata 2
Tagan IB390 W/Maxtor 160 Gig Sata 2
Thermaltake BlackX USB W/Seagate 80 Gig Sata 2
Testing PSUs Thermaltake Toughpower 1K
Thermaltake VGA Express 650 Watt
Legacy Floppy Drive
Mouse Razer Lachesis
Keyboard Razer Lycosa
Gaming Headset Razer Piranha
Speakers Logitech Dolby 5.1
Any Attempt Copy This System Configuration May Lead to Bankrupcy

Synthetic Benchmarks & Games


Synthetic Benchmarks & Games
3DMark06 v. 1.10
3DMark Vantage
Company of Heroes v. 1.71
Crysis v. 1.2
World in Conflict Demo
F.E.A.R. v 1.08
Far Cry 2

3DMARK06 V. 1.1.0

3DMark06 developed by Futuremark, is a synthetic benchmark used for universal testing of all graphics solutions. 3DMark06 features HDR rendering, complex HDR post processing, dynamic soft shadows for all objects, water shader with HDR refraction, HDR reflection, depth fog and Gerstner wave functions, realistic sky model with cloud blending, and approximately 5.4 million triangles and 8.8 million vertices; to name just a few. The measurement unit “3DMark” is intended to give a normalized mean for comparing different GPU/VPUs. It has been accepted as both a standard and a mandatory benchmark throughout the gaming world for measuring performance.

Even with the other GPU’s overclocked as far as they would go, the Palit Raedon HD 4870X2 literally decimates the competition. It came in almost 7500 points better than the closest competitor. This might be a synthetic benchmark, but that shows the true power of the 4870X2.


World in Conflict is a real-time tactical video game developed by the Swedish video game company Massive Entertainment, and published by Sierra Entertainment for Windows PC. The game was released in September of 2007.

The game is set in 1989 during the social, political, and economic collapse of the Soviet Union. However, the title postulates an alternate history scenario where the Soviet Union pursued a course of war to remain in power.

World in Conflict has superb graphics, is extremely GPU intensive, and has built-in benchmarks. Sounds like benchmark material to us!

WIC 1280×1024 No AA/AF DX10

At 1280×1024 the Palit 4870X2 edged out the competition in minimum frames, and soundly took the lead on average frames per second.

WIC 1280×1024 4xAA/16xAF DX10

Turning AA/AF up to 4xAA and 16xAF the Palit 4870×2 pulled a little farther ahead at this resolution.

WIC 1680×1050 No AA/AF DX10

When we move to 1680×1050 the true power of the 4870X2 begins to show in WIC. It’s the only card tested that stays above the magical 30 FPS that makes games look rock solid to the human eye.

WIC 1680×1050 4xAA/16xAF DX10

Cranking up the AA/AF at this resolution, the other cards were starting to show visable hesitation and stuttering, but the Palit 4870X2 just kept churning out respectable frames.

FEAR V. 1.08

F.E.A.R. (First Encounter Assault Recon) is a first-person shooter game developed by Monolith Productions and was released in October of 2005 for Windows. F.E.A.R. is one of the most resource intensive games in the FPS genre of games ever to be released. The game contains an integrated performance test that can be run to determine your system’s performance based on the graphical options you have chosen. The beauty of the performance test is that it gives maximum, average, and minimum frames per second rates. F.E.A.R. is a great benchmark, and one heck of a FPS.

FEAR 1280×1024 No AA/AF

Once again, we see the Palit Radeon HD 4870X2 dominating the field in FEAR at 1280×1024 with no AA/AF.

FEAR 1280×1024 4xAA/16xAF

Cranking the AA/AF up to the usual levels, the other GPU’s struggled but the 4870X2 was throwing FPS at an unbelievable rate. If that kind of lead in a real life game doesn’t impress you, then you need to lay of the medication.

FEAR 1680×1050 No AA/AF

When we moved to 1680×1050 the 4870X2 picked up a few frames on minimum frames rates, almost like it was laughing at the added strain placed on it. The numbers held true at this resolution and the competition was scurrying to keep up.

FEAR 1680×1050 4xAA/16xAF

When we applied AA/AF, the Palit 4870X2 still took the field but not by quite as much as we expected, so we re-ran the test a few times and confirmed the results.


Company of Heroes (COH) is a Real Time Strategy (RTS) game for the PC, announced in April, 2005. It is developed by the Canadian based company, Relic Entertainment, and published by THQ. COH is an excellent game that is incredibly demanding on system resources, thus making it an excellent benchmark. Like F.E.A.R., the game contains an integrated performance test that can be run to determine your system’s performance based on the graphical options you have chosen. It uses the same multi-staged performance ratings as does the F.E.A.R. test, letting the games benchmark handle the chore takes the human factor out of the equation and ensures that each run of the test is exactly the same producing more reliable results.

COH 1280×1024 No AA/AF

By this time we were seeing a pattern. So far, in every test, synthetic and otherwise, the Palit 4870X2 was in the lead and we expect it to stay there.

Turning AA/AF on to our normal testing levels the 4870X2 gave a much more acceptable performance.

COH 1680×1050 NO AA/AF

Moving to the 1680×1050 testing, the 4870X2 still took the field, but not by quite as large a margin.

COH 1680×1050 4xAA/16xAF

The 4870X2 still chucks out more FPS at the higher resolution with AA/AF enabled. Pretty good for a DX10 test result.

CRYSIS V. 1.2.1

Crysis is the most highly anticipated game to hit the market in the last several years. Crysis is based on the CryENGINE™ 2 developed by Crytek. The CryENGINE™ 2 offers real time editing, bump mapping, dynamic lights, network system, integrated physics system, shaders, shadows, and a dynamic music system, just to name a few of the state-of-the-art features that are incorporated into Crysis. As one might expect with this number of features, the game is extremely demanding of system resources, especially the GPU. We expect Crysis to be a primary gaming benchmark for many years to come.

Crysis 1280×1024 No AA/AF

Crysis is a hard nut to crack, but at this resolution the palit 4870X2 did a good job of cracking it.

Crysis 1280×1024 2xAA/8xAF

Even when we cranked on as much AA/AF as we dared, it still did a good job of handling it.

Crysis 1680×1050 No AA/AF

We moved to 1680×1050 expecting Crysis to eat the 4870X2 for lunch, but suprisingly it held its own.

Crysis 1680×1050 2xAA/8xAF

When we got to 1680×1050 and saw the 4870X2 being beaten by the BFG GTX-260 Maxcore, we already understood that Crysis despises Crossfire and multi-GPU single PCB cards, so we don’t attribute the lagging performance to the 4870X2, but rather the lack of optimization on the Crysis team’s part. In all fairness though, maintaining 30 FPS minimum with all settings maxed out and AA/AF speaks a lot for the performance of the 4870X2.

3DMark Vantage

For complete information on 3DMark Vantage Please follow this Link:

The newest video benchmark from the gang at Futuremark. This utility is still a synthetic benchmark, but one that more closely reflects real world gaming performance. While it is not a perfect replacement for actual game benchmarks, it has its uses. We tested our cards at the ‘Performance’ setting.

Currently, there is a lot of controversy surrounding NVIDIA’s use of a PhysX driver for its 9800 GTX and GTX 200 series cards, thereby putting the ATI 4850 Toxic and 4870 at a disadvantage. Whereby installing the PyhsX driver, 3DMark Vantage uses the GPU to perform PhysX calculations during a CPU test, and this is where things get a bit gray. If you look at the Driver Approval Policy for 3DMark Vantage it states; Based on the specification and design of the CPU tests, GPU make, type or driver version may not have a significant effect on the results of either of the CPU tests as indicated in Section 7.3 of the 3DMark Vantage specification and white paper.Did NVIDIA cheat by having the GPU handle the PhysX calculations or are they perfectly within their right since they own Ageia and all their IP? I think this point will quickly become moot once Futuremark releases an update to the test. For now we will show the GPU and CPU score and let you judge.

Discounting the CPU performance that is boosted by PhysiX and relying on the GPU score alone seems more fair to us. Given that limitation, the Palit 4870X2 comes in 5002 points ahead in the somewhat point stingy benchmark. That’s about 33% better performance than the closest competitor. Given the weight we put on the 3Dmarks benchmarks, you can bet that’s going to help the 4870X2’s final score significantly.



We tested the Palit Radeon HD 4870X2 temperatures idling at the desktop with no applications running that would utilize the GPU beyond the normal programs that load at boot. To test it at Load we ran 3Dmark Vantage looping for 30 minutes then recorded the temperatures. Keep in mind this is in a well ventilated chassis. If you don’t have a well vented case your temperatures will be higher.

Palit 4870×2 Temperatures Core 1
Idle Core 1 Load Core 1 Idle Fan 50% Core 1 Load Fan 50% Core 1
72°C 98°C 53°C 82°C
Palit 4870×2 Temperatures Core 2
Idle Core 2 Load Core 2 Idle Fan 50% Core 2 Load Fan 50% Core 2
67°C 85°C 50°C 69°C

Knowing that a dual GPU, single PCB card was going to run hot, we weren’t surprised to see the 4870X2 reach 98°C under load conditions. What did surprise us was the amount it cooled down with a static fan setting of 50% in ATI Overdrive. With the fan set to 50%, the hottest the core reached was 85°C, which we could live with because inside the chassis the fan was almost silent. We did increase the fan beyond 50% and it was livable at 75%, but beyond that you’d have to be a hardcore enthusiast to live with the noise for more than benchmarking.

Power Consumption

To get the power consumption we idled the computer at the desktop with no un-needed background tasks running on the CPU or GPU. Load testing was done with 3DMark Vantage looping for 30 minutes then the temperature was recorded. We repeated the test three times with a 30 minute cool down time between each test.

GPU Power Consumption
GPU Idle Load
Leadtek GTX-260 211 Watts 299 Watts
Sapphire Toxic HD 4850 183 Watts 275 Watts
Sapphire HD 4870 207 Watts 298 Watts
Palit HD 4870×2 267 Watts 447 Watts
Total System Power Consumption


As expected, it takes a little more power to drive a dual GPU, but in our opinion the extra performance more than warrants the power requirement increase. Compared to running in SLI or Crossfire, the power consumption is similar. If you’re looking at a dual GPU single PCB card you should be expecting increased power usage.


We were quite pleased with the performance of the Palit Radeon HD 4870X2! It churns out FPS like no other card we’ve tested, and does it consistently. We didn’t discover any driver glitches or experience any problems with the GPU whatsoever. The 4870X2 tore up the synthetic benchmarks and scored well ahead of every GPU we had to throw against it.

We even ran it in TriFire with another 4870 and it was well behaved in CrossFire. We ran it on all our standard testing games and a few others (FarCry and Deadspace) and it ran well in all the games we tested. We kicked the fan up to 50%, which was almost silent, and temperatures were more than acceptable for a dual GPU single PCB card.

Other than being a little warm for our tastes and being a little pricey, we didn’t find anything else we didn’t like about it. If you’re looking at this caliber GPU for your rig though, price probably isn’t your largest concern.

If it came down to it and we were stuck on that mythical Desert Island and could only have one GPU, it would have to be the Palit Radeon HD 4870X2.


+  Great Performance
+  Trifire and Quadfire Ready
+  30 FPS In Crysis WITH AA/AF On
+  Sexy
+  Unmatched in Synthetics and Games (OK Crysis by 1 Frame Phhhhht)
+  Design Doesn’t Block Sata Ports
+  Good Power Consumption For A Dual Card
+  Well Behaved
+  Multiple Geekgasms


  Runs Hot
  A Little Expensive For Some Mere Mortals

The Palit Raedon HD 4870X2 is the fastest GPU we’ve ever tested. Driving it to it’s fullest capacity in DX10 on some of the most demanding games, it never failed to deliver blazing fast performance.

With the performance Palit Radeon HD 4870X2 offers, and being the fastest GPU we’ve ever tested, we have to give it:

Final Score of 9 out of 10 and the Golden Bear Award.

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