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NVIDIA H20 vs NVIDIA H100
Side-by-side comparison of specifications, performance, and efficiency.
NVIDIA H20
Architecture
Hopper
Year
2024
VRAM
96 GB
TDP
400 W
NVIDIA H100
Architecture
Hopper
Year
2023
VRAM
94 GB
TDP
400 W
Specifications
NVIDIA H20 NVIDIA H100
Architecture
Hopper Hopper
Launch Year
2024 2023
Form Factor
SXM PCIe
VRAM
96 GB94 GB
Memory Bandwidth
4.0 TB/s3.9 TB/s
TDP
400 W400 W
Process Node
4nm 4nm
| Spec | NVIDIA H20 | NVIDIA H100 |
|---|---|---|
| Architecture | Hopper | Hopper |
| Launch Year | 2024 | 2023 |
| Form Factor | SXM | PCIe |
| VRAM | 96 GB | 94 GB |
| Memory Bandwidth | 4.0 TB/s | 3.9 TB/s |
| TDP | 400 W | 400 W |
| Process Node | 4nm | 4nm |
Performance (TFLOPS)
NVIDIA H20 NVIDIA H100
FP64
1.0 TFlops 30.0 TFlops
FP32
44.0 TFlops 60.0 TFlops
FP16
148.0 TFlops
sparse not published
—BF16
148.0 TFlops
sparse not published
—FP8
296.0 TFlops
592.0
TFLOPS sparse
—INT8
296.0 TFlops
sparse not published
—Tensor Core
FP64 (TC)
—60.0 TFlops
| Precision | NVIDIA H20 | NVIDIA H100 |
|---|---|---|
| FP64 | 1.0 TFlops | 30.0 TFlops |
| FP32 | 44.0 TFlops | 60.0 TFlops |
| FP16 | 148.0 TFlops sparse not published | — |
| BF16 | 148.0 TFlops sparse not published | — |
| FP8 | 296.0 TFlops 592.0
TFLOPS sparse | — |
| INT8 | 296.0 TFlops sparse not published | — |
| Tensor Core | ||
| FP64 (TC) | — | 60.0 TFlops BEST |
FLOPS by Precision
Efficiency — TDP vs FP32 Performance
Analysis
Most Efficient
NVIDIA
H100
0.15 TFLOPS/W
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