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MSI GTX 1660 Ti Gaming X – Turing Without The RTX.

Taking a look under the hood

Pulling the cooler from the MSI GTX 1660 Ti Gaming X allows us to see that the same tight cabling exists on this card as the 2060 variant did. Be mindful of this to avoid possibly damaging connectors when removing the cooler should you need it. Also of note, MSI uses a non-standard thermal paste here as normally we see a paste that is more chalky or paste in consistency. this one looks like it is more fluid similar to Thermal Grizzly Kruyyounaut which makes me feel better about not re-pasting this GPU should you buy one.


Here you can see the main components beyond the PCB for the MSI GTX 1660 Ti Gaming X. The backplate does not have any thermal pads or any method of working as a heatspreader. This is more a style and stiffening component as the interior of the backplate is plastic lined to ensure that shorts against the metal plate are avoided. you can also see the heatspreader plate which is a single piece unit used to cool the VRAM and the VRM components.

The MSI GTX 1660 Ti Gaming X is definitely a more mainstream card as can be evidenced by the blank PCB points and the VRM which you can tell is not really designed to push too awful much. To be fair the TU 116 is not much to push but even with such a small VRM it is packed with some powerful bits.

Here we get a good shot of the main power side of the card. you can see the custom inductor/choke design with MSI dragons printed on them. That adds some cool factor even if its something you may never see. the VRM as you look at it is a 5 Phase design for the vGPU with a two-phase for the memory.

The memory VRM’s use On Semi FDPC5018SG Dual N-Channel MOSFETs rated at 32A. The GPU VRM uses On Semi NCP302045 which are 45A each and is running 4 Phases.  They are being controlled by an On Semi NCP81610 in 4 channel mode to control the  VGPU. The uP1666Q seems to be in place for the two-phase memory VRM control.

The memory is one we have seen before, or somewhat. Micron D9WCR which are Micron MT61K256M32JE-12:A and are 12Gbps spec. These are a bit slower than the 14Gbps chips we had used previously, so I am quite interested to see how MSI’s GTX 1660 Ti Gaming X will clock them.

The control IC’s for the MSI RTX 2060 Gaming Z card are as follows.

On Semi NCP81610 is an up to 8 channel controller which is feeding the GPU VRM most likely in a  4+0 configuration. Normally I would expect them to run a 4+2 and just attach the memory, but MSI chose a different solution.

On Semi NCP45491 are used for Shunt monitoring to make sure the card is not pulling more power than the defined limit allows.

iTE 8295FN microcontroller appears to be for both LED control and possibly even fan control as well.

The uP1666Q is in place for the two-channel memory VRM control.

Here is the TU116 GPU and it is SMALL. I mean this is one of the smaller GPUs I have seen to date and definitely small compared to the other Turing offerings. Then again it is omitting RTX components and all that extra baggage which means less to pack into silicon. I do with the Die was a little bigger just to give a lower watt per sq mm dissipation. The card runs super cool but with a larger die surface, I could only imagine this card would almost be able to run passive.


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  1. Is this a paid advert?
    Sure it’s good but notice not a single AMD card in your benchmarks, why?
    It clearly obliterates an RX590 but pricing is an issue here, for me.
    Taking the UK as an example, the MSI Ventus 1660ti is £260. The Vega56 Pulse from Sapphire is £280 and has been for a while so not down to the brief price-drop AMD did.

    This card should be a direct replacement for the 1060 and therefore should be close to it in price, maybe £220-230.
    Then it makes sense.

    • Hi Tim,

      No, not a paid advertisement otherwise I would have listed it as so in both the title and the intro to the advertt.. we also would NOT mark it as a review at that point.

      We have reached out to AMD on several occasions for review sample support on GPUs and have yet to recieve one in the past several years and with so many staff changes at AMD it has become more difficult to secure them (Reason we do not have a Radeon VII review)

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