Product Compare

NVIDIA Rubin GPU vs NVIDIA H100 SXM5 94 GB

GPU GPU
Graphics Card
Release Date Jan 2026 Mar 2023
Generation Server Rubin Server Hopper
Type Desktop AI GPU
Bus Interface PCIe 6.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 700 MHz 1350 MHz
Boost Clock 2267 MHz 1980 MHz
Memory Clock 2695 MHz 1313 MHz
Memory
Memory Size 288GB 94GB
Memory Type HBM4 HBM3
Memory Bus 16384bit 5120bit
Bandwidth 22.1TB/s 3.36TB/s
Render Config
SM Count 224 132
Shading Units 28672 16896
TMUs 896 528
ROPs 24 24
Tensor Cores 896 528
L1 Cache 256 KB (per SM) 256 KB (per SM)
L2 Cache 128 MB 50 MB
Theoretical Performance
Pixel Rate 54.41 GPixel/s 47.52 GPixel/s
Texture Rate 2031.2 GTexel/s 1045.4 GTexel/s
FP16 (half) 260.0 TFLOPS 267.6 TFLOPS
FP32 (float) 130.0 TFLOPS 66.91 TFLOPS
FP64 (double) 32.50 TFLOPS 33.45 TFLOPS
Graphics Processor
GPU Name GR100 GH100
Architecture Rubin Hopper
Foundry TSMC TSMC
Process Size 3 nm 5 nm
Transistors 336 billion 80 billion
Die Size 1456 mm² 814 mm²
Board Design
TDP 2300W 700W
Suggested PSU 2700 W 1100 W
Outputs No outputs No outputs
Power Connectors 8-pin EPS
Graphics Features
DirectX N/A N/A
OpenGL N/A N/A
OpenCL 3.0 3.0
Vulkan N/A N/A
CUDA 10.7 9.0
Shader Model N/A N/A