Flopper.io GPU Comparison Sheet
October 17, 2026
flopper.io/compare/nvidia-a100-sxm4-80gb-vs-nvidia-b200-sxm-180gbNVIDIA A100 SXM4 80GB vs NVIDIA B200 SXM 180GB
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA A100 SXM4 80GB | NVIDIA B200 SXM 180GB | |
|---|---|---|
| FP32 TFLOPS | 19.5 | 75.0 |
| Memory | 80 GB | 180 GB |
| Memory Bandwidth | 2.0 TB/s | 7.7 TB/s |
| TDP | 400 W | 1.0 kW |
Performance by Precision
| Precision | NVIDIA A100 SXM4 80GB peak TFLOPS (dense) | NVIDIA B200 SXM 180GB peak TFLOPS (dense) |
|---|---|---|
| FP64 | 9.7 | 37.0 |
| FP32 | 19.5 | 75.0 |
| TF32 | 156.0 | 1125.0 |
| BF16 | 312.0 | 2250.0 |
| FP16 | 312.0 | 2250.0 |
| FP8 | — | 4500.0 |
| FP6 | — | 4500.0 |
| FP4 | — | 9000.0 |
| INT8 | 624.0 | 4500.0 |
| INT4 | 1248.0 | — |
Specifications
| NVIDIA A100 SXM4 80GB | NVIDIA B200 SXM 180GB | |
|---|---|---|
| Architecture | Ampere | Blackwell |
| Process Node | 7nm | 4nm |
| Launch Year | 2020 | 2024 |
| Form Factor | SXM | SXM |
| Memory Type | — | — |
| Interface Width | — | — |
| Interconnect | — | — |
| TDP | 400 W | 1.0 kW |
| FP32 Efficiency | 0.05 TFLOPS/W | 0.07 TFLOPS/W |