The GTX 1660 Super has arrived – and it’s an odd one. Rather than making a number of small improvements across the board to distinguish the Super card from the original model, Nvidia has made a single big upgrade, swapping the original’s last-gen GDDR5 memory for faster, current-generation GDDR6. Elsewhere, the card is basically identical to its predecessor in every way, save for a scant 5W increase in nominal TDP. So how impactful is that memory upgrade – and is it enough to justify a whole new graphics card?
First, let’s take a look at exactly what that generational shift in memory technology entails – it’s actually more substantial than you might imagine. The move to GDDR6 unlocks a substantial boost to VRAM speed, with data rates rising from 8Gbps to 14Gbps and a corresponding increase in memory bandwidth from 192GB/s to 336GB/s.
Nvidia claims that this 75 per cent boost in memory speed from the 1660 to 1660 Super makes the new card up to 20 per cent faster than the standard GTX 1660. For context, that puts the GTX 1660 Super in nearly the same ballpark as the GTX 1660 Ti, which has more CUDA cores (1536 vs 1408) but slower memory (14Gps vs 12Gbps) and a lower TDP (120W vs 125W).
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