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Gigabyte GTX 1660 SUPER Gaming OC 6G Review

Rating: 8.5.

We've heard a lot about the GTX 1660 SUPER over the last few weeks, and today the new graphics card from Nvidia has been officially announced. For launch we have two partner card reviews, but this is focused on the Gigabyte GTX 1660 SUPER Gaming OC 6G – a triple-fan, factory overclocked card that promises low temperatures and high frame rates. Is it – and 1660 SUPER as a whole – any good?

Watch video via Vimeo (below) or over on YouTube at 2160p HERE

If you've been living under a rock for the last few weeks, it is very easy to summarise what Nvidia has done with the GTX 1660 SUPER – take a vanilla GTX 1660, swap out the slower GDDR5 memory for improved GDDR6 modules, and you have a GTX 1660 SUPER.

That means the TU116 GPU at the heart of the GTX 1660 is entirely unchanged – it's the same Turing architecture, it still sports 22 SMs and 1408 CUDA Cores, and there's still no RT or Tensor cores as per the RTX 20-series cards. It's purely the upgrade to G6 memory from G5 which makes this a ‘SUPER' card.

I'd also like to just clarify where the 1660 SUPER sits in Nvidia's product stack, as it is now a very busy line-up. Put simply, GTX 1660 SUPER, with a £209.99 MSRP, slots in between GTX 1660 (£199) and GTX 1660 Ti (£259). Neither the GTX 1660 or GTX 1660 Ti are being phased out according to Nvidia, but while there will be no official price cut to the GTX 1660, Nvidia does expect prices to fall naturally as a result of 1660 SUPER entering the market.

GPU RTX 2060 (FE)  GTX 1660 Ti GTX 1660 SUPER GTX 1660 GTX 1060
SMs 30 24 22 22 10
CUDA Cores  1920 1536 1408 1408 1280
Tensor Cores  240 N/A N/A N/A N/A
Tensor FLOPS 51.6 N/A N/A N/A N/A
RT Cores 30 N/A N/A N/A N/A
Texture Units 120 96 88 88 80
ROPs 48 48 48 48 48
Rays Cast  5 Giga Rays/sec 0.44 Giga Rays/sec
RTX Performance  37 Trillion RTX-OPS N/A
GPU Boost Clock  1680 MHz 1770 MHz 1785 MHz 1785 MHz 1708 MHz
Memory Data Rate 14 Gbps 12 Gbps 14 Gbps 8 Gbps 8 Gbps
Total Video Memory 6GB GDDR6 6GB GDDR6 6GB GDDR6 6GB GDDR5 6GB GDDR5
Memory Interface  192-bit 192-bit 192-bit 192-bit 192-bit
Memory Bandwidth 336.1 GB/sec 288.1 GB/sec 336 GB/sec 192.1 GB/sec 192 GB/sec
TGP 160W 120W 125W 120W 120W

We already mentioned how the only core change to the GTX 1660 is the upgraded 14Gbps GDDR6 memory, and that improves total memory bandwidth from 192.1GB/s to 336 GB/s.

Additionally, while there is no reference card per se, Nvidia did release ‘reference spec', so we can see that the Gigabyte Gaming OC 6G model for review here has been factory overclocked by 75MHz, up to 1860MHz boost.

Lastly, with what can only be a consequence of the change in memory, it is also worth noting that 1660 SUPER has a Total Graphics Power (TGP) rating of 125W, a 5W increase over the vanilla 1660.

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