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NVIDIA GH200 vs NVIDIA H100
Side-by-side comparison of specifications, performance, and efficiency.
NVIDIA GH200
Architecture
Hopper
Year
2023
VRAM
468 GB
TDP
1.0 kW
NVIDIA H100
Architecture
Hopper
Year
2022
VRAM
80 GB
TDP
700 W
Specifications
NVIDIA GH200 NVIDIA H100
Architecture
Hopper Hopper
Launch Year
2023 2022
Form Factor
SXM SXM
VRAM
468 GB80 GB
Memory Bandwidth
900 GB/s3.4 TB/s
TDP
1.0 kW700 W
Process Node
4nm 4nm
| Spec | NVIDIA GH200 | NVIDIA H100 |
|---|---|---|
| Architecture | Hopper | Hopper |
| Launch Year | 2023 | 2022 |
| Form Factor | SXM | SXM |
| VRAM | 468 GB | 80 GB |
| Memory Bandwidth | 900 GB/s | 3.4 TB/s |
| TDP | 1.0 kW | 700 W |
| Process Node | 4nm | 4nm |
Performance (TFLOPS)
NVIDIA GH200 NVIDIA H100
FP64
34.0 TFlops34.0 TFlops
FP32
67.0 TFlops67.0 TFlops
FP16
989.5 TFlops989.5 TFlops
BF16
989.5 TFlops989.5 TFlops
FP8
1979.0 TFlops1979.0 TFlops
INT8
1979.0 TFlops1979.0 TFlops
| Precision | NVIDIA GH200 | NVIDIA H100 |
|---|---|---|
| FP64 | 34.0 TFlops | 34.0 TFlops |
| FP32 | 67.0 TFlops | 67.0 TFlops |
| FP16 | 989.5 TFlops | 989.5 TFlops |
| BF16 | 989.5 TFlops | 989.5 TFlops |
| FP8 | 1979.0 TFlops | 1979.0 TFlops |
| INT8 | 1979.0 TFlops | 1979.0 TFlops |
FLOPS by Precision
Efficiency — TDP vs FP32 Performance
Analysis
Most Efficient
NVIDIA
H100
0.10 TFLOPS/W
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