NVIDIA Rubin Ultra GPU vs NVIDIA H100 SXM5 64 GB
GPU Specs Compare
Graphics Card
Release Date
Jan 2027
Mar 2023
Generation
Server Rubin
Tesla Hopper
Type
Desktop
AI GPU
Bus Interface
PCIe 6.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
700 MHz
1665 MHz
Boost Clock
2267 MHz
1980 MHz
Memory Clock
1900 MHz
1313 MHz
Memory
Memory Size
1024GB
64GB
Memory Type
HBM4e
HBM3
Memory Bus
32768bit
3072bit
Bandwidth
31.1TB/s
2.02TB/s
Render Config
SM Count
448
132
Shading Units
57344
16896
TMUs
1792
528
ROPs
24
24
Tensor Cores
1792
528
L1 Cache
256 KB (per SM)
256 KB (per SM)
L2 Cache
128 MB
30 MB
Theoretical Performance
Pixel Rate
54.41 GPixel/s
47.52 GPixel/s
Texture Rate
4062.5 GTexel/s
1045 GTexel/s
FP16 (half)
520.0 TFLOPS
267.6 TFLOPS
FP32 (float)
260.0 TFLOPS
66.91 TFLOPS
FP64 (double)
65.00 TFLOPS
33.45 TFLOPS
Graphics Processor
GPU Name
GR110
GH100
Architecture
Rubin Ultra
Hopper
Foundry
TSMC
TSMC
Process Size
3 nm
5 nm
Transistors
670 billion
80 billion
Die Size
2912 mm²
814 mm²
Board Design
TDP
3600W
700W
Suggested PSU
4000 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