Flopper.io GPU Comparison Sheet
October 4, 2026
flopper.io/compare/nvidia-a100-pcie-40gb-vs-nvidia-a800-sxm4NVIDIA A100 PCIe 40GB vs NVIDIA A800 SXM4
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA A100 PCIe 40GB | NVIDIA A800 SXM4 | |
|---|---|---|
| FP32 TFLOPS | 19.5 | 19.5 |
| Memory | 40 GB | 80 GB |
| Memory Bandwidth | 1.6 TB/s | 2.0 TB/s |
| TDP | 250 W | 400 W |
Performance by Precision
| Precision | NVIDIA A100 PCIe 40GB peak TFLOPS (dense) | NVIDIA A800 SXM4 peak TFLOPS (dense) |
|---|---|---|
| FP64 | 9.7 | 9.7 |
| FP32 | 19.5 | 19.5 |
| TF32 | 156.0 | 156.0 |
| BF16 | 312.0 | 312.0 |
| FP16 | 312.0 | 312.0 |
| FP8 | — | — |
| FP6 | — | — |
| FP4 | — | — |
| INT8 | 624.0 | 624.0 |
| INT4 | 1248.0 | 1248.0 |
Specifications
| NVIDIA A100 PCIe 40GB | NVIDIA A800 SXM4 | |
|---|---|---|
| Architecture | Ampere | Ampere |
| Process Node | 7nm | 7nm |
| Launch Year | 2020 | 2022 |
| Form Factor | PCIe | SXM |
| Memory Type | — | HBM2e |
| Interface Width | — | — |
| Interconnect | — | NVLink |
| TDP | 250 W | 400 W |
| FP32 Efficiency | 0.08 TFLOPS/W | 0.05 TFLOPS/W |