Wednesday , 18 August 2021

Razer Blade 15 Base Edition (2021)

The Nvidia RTX 3070 Laptop GPU

Nvidia used to give some of their laptop parts the Max-Q moniker.  Basically, any GPUs without it were closer to their desktop counterparts while Max-Q-GPU’s have been cut-down versions. This has changed with the Series- 30-GPU’s and now the manufacturers must specific the TGP (Total Graphis Power), the boost-speed as well as which Max-Q features the GPU.

TGP is the total power budget that the GPU and its subsystems have access to. Very simply said a high TGP will mean more performance. This also means that a RTX 3070 with a high TGP in some cases can outperform a RTX 3080 with a low TGP.

Not all manufacturers list this on their product pages but Razer do. The RTX 3070 in this laptop has access to the following features:

  • NVIDIA GPU Boost™
  • NVIDIA Optimus™ Technology
  • NVIDIA Whisper Mode
  • NVIDIA Resizable BAR

The GPU in the Razer Blade 15 Base Edition has a TGP of 95W (85W + 10W Dynamic Boost 2.0) which is at the low end. There are a bunch of laptops with TGP up to 140W but they are usually bigger with more fans so I feel this is a compromise that Razer has made to keep the laptop thin.

Egenskap RTX 3080 RTX 3070 RTX 3080 (mobil) RTX 3070 (mobil)
CUDA-kärnor 8 704 st. 5 888 st. 6 144 st. 5 120 st.
SM-kluster 68 st. 46 st. 48 st. 40 st.
Minne 10 GB GDDR6X 8 GB GDDR6 16 GB GDDR6 8 GB GDDR6
Minnesbuss 320-bit 256-bit 256-bit 256-bit

The difference between a regular RTX 3070 and the laptop RTX 3070 is less CUDA-cores and less SM-clusters.

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