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0 pointsSalgat1y ago0 comments

The 5090's core increase (30%) is actually underwhelming compared to the 3090->4090 increase (60% more), but the real game changer is the memory improvements, both in size and bandwidth.

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ryao1y ago

They held back. Had they used 32Gbps GDDR7, they would have reached 2.0TB/sec memory bandwidth. 36Gbps GDDR7 would have let them reach 2.25TB/sec. The GB202 also reportedly has significantly more compute cores, TMUs, ROPs, tensor cores and RT cores than the 5090 uses:

https://www.techpowerup.com/gpu-specs/nvidia-gb202.g1072

Maybe there is a RTX 5090 Ti being held in reserve. They could potentially increase the compute on it by 13% and the memory bandwidth on it by 25% versus the 5090.

I wonder if anyone will try to solder 36Gbps GDDR7 chips onto a 5090 and then increase the memory clock manually.

j / k navigate · click thread line to collapse

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ryao1y ago

https://www.techpowerup.com/gpu-specs/nvidia-gb202.g1072

Maybe there is a RTX 5090 Ti being held in reserve. They could potentially increase the compute on it by 13% and the memory bandwidth on it by 25% versus the 5090.

I wonder if anyone will try to solder 36Gbps GDDR7 chips onto a 5090 and then increase the memory clock manually.

j / k navigate · click thread line to collapse