Side by side datacenter GPU specifications from the Flopper.io database.
| NVIDIA H800 PCIe 80GB | NVIDIA GH200 96GB HBM3 | |
|---|---|---|
| FP32 TFLOPS | 51.0 | 67.0 |
| VRAM | 80 GB | 96 GB |
| Memory Bandwidth | 2.0 TB/s | 4.0 TB/s |
| TDP | 350 W | 1.0 kW |
| Precision | NVIDIA H800 PCIe 80GB peak TFLOPS (dense) | NVIDIA GH200 96GB HBM3 peak TFLOPS (dense) |
|---|---|---|
| INT8 | 1513.0 | 1979.0 |
| FP8 | 1513.0 | 1979.0 |
| FP16 | 756.5 | 990.0 |
| BF16 | 756.5 | 990.0 |
| TF32 | 378.0 | 494.0 |
| FP32 | 51.0 | 67.0 |
| FP64 | 0.8 | 34.0 |
| NVIDIA H800 PCIe 80GB | NVIDIA GH200 96GB HBM3 | |
|---|---|---|
| Architecture | Hopper | Hopper |
| Process Node | 4nm | 4nm |
| Launch Year | 2022 | 2023 |
| Form Factor | PCIe | SXM |
| Memory Type | HBM3 | HBM3 |
| Interface Width | — | — |
| Interconnect | — | NVLink-C2C |
| TDP | 350 W | 1.0 kW |
| FP32 Efficiency | 0.15 TFLOPS/W | 0.07 TFLOPS/W |