NVIDIA H100 SXM5 vs NVIDIA GB10
GPU · Specs Compare
Graphics Card
Release Date
Mar 2022
Oct 2025
Generation
Tesla Hopper
Server Blackwell
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1590 MHz
1665 MHz
Boost Clock
1980 MHz
2418 MHz
Memory Clock
1313 MHz
1067 MHz
Memory
Memory Size
80GB
128GB
Memory Type
HBM3
LPDDR5X
Memory Bus
5120bit
256bit
Bandwidth
3350GB/s
273.2GB/s
Render Config
SM Count
132
48
Shading Units
16896
6144
TMUs
528
384
ROPs
24
48
Tensor Cores
528
384
L1 Cache
256 KB (per SM)
256 KB (per SM)
L2 Cache
50 MB
50 MB
RT Cores
—
48
Theoretical Performance
Pixel Rate
47.52 GPixel/s
116.1 GPixel/s
Texture Rate
1045 GTexel/s
928.5 GTexel/s
FP16 (half)
267.6 TFLOPS
29.71 TFLOPS
FP32 (float)
66.91 TFLOPS
29.71 TFLOPS
FP64 (double)
33.45 TFLOPS
464.3 GFLOPS
Graphics Processor
GPU Name
GH100
GB20B
Architecture
Hopper
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
3 nm
Transistors
80 billion
Unknown
Die Size
814 mm²
Unknown
Board Design
TDP
700W
140W
Suggested PSU
1100 W
300 W
Outputs
No outputs
1x HDMI
Power Connectors
8-pin EPS
None
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
9.0
12.1
Shader Model
N/A
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.