Flopper.io GPU Comparison Sheet
September 13, 2026
flopper.io/compare/nvidia-h100-sxm5-80gb-vs-nvidia-h20-96gbNVIDIA H100 SXM5 80GB vs NVIDIA H20 96GB
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA H100 SXM5 80GB | NVIDIA H20 96GB | |
|---|---|---|
| FP32 TFLOPS | 67.0 | 44.0 |
| Memory | 80 GB | 96 GB |
| Memory Bandwidth | 3.4 TB/s | 4.0 TB/s |
| TDP | 700 W | 400 W |
Performance by Precision
| Precision | NVIDIA H100 SXM5 80GB peak TFLOPS (dense) | NVIDIA H20 96GB peak TFLOPS (dense) |
|---|---|---|
| FP64 | 34.0 | 1.0 |
| FP64_TC Tensor Core | 67.0 | — |
| FP32 | 67.0 | 44.0 |
| TF32 | 494.0 | 74.0 |
| BF16 | 990.0 | 148.0 |
| FP16 | 990.0 | 148.0 |
| FP8 | 1979.0 | 296.0 |
| FP6 | — | — |
| FP4 | — | — |
| INT8 | 1979.0 | 296.0 |
Specifications
| NVIDIA H100 SXM5 80GB | NVIDIA H20 96GB | |
|---|---|---|
| Architecture | Hopper | Hopper |
| Process Node | 4nm | 4nm |
| Launch Year | 2022 | 2024 |
| Form Factor | SXM | SXM |
| Memory Type | — | HBM3 |
| Interface Width | — | — |
| Interconnect | — | — |
| TDP | 700 W | 400 W |
| FP32 Efficiency | 0.10 TFLOPS/W | 0.11 TFLOPS/W |