Flopper.io GPU Comparison Sheet
October 17, 2026
flopper.io/compare/nvidia-a40-48gb-vs-nvidia-a800-pcie-80gbNVIDIA A40 48GB vs NVIDIA A800 PCIe 80GB
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA A40 48GB | NVIDIA A800 PCIe 80GB | |
|---|---|---|
| FP32 TFLOPS | 37.4 | 19.5 |
| Memory | 48 GB | 80 GB |
| Memory Bandwidth | 696 GB/s | 1.9 TB/s |
| TDP | 300 W | 300 W |
Performance by Precision
| Precision | NVIDIA A40 48GB peak TFLOPS (dense) | NVIDIA A800 PCIe 80GB peak TFLOPS (dense) |
|---|---|---|
| FP64 | — | 9.7 |
| FP32 | 37.4 | 19.5 |
| TF32 | 74.8 | 156.0 |
| BF16 | 149.7 | 312.0 |
| FP16 | 149.7 | 312.0 |
| FP8 | — | — |
| FP6 | — | — |
| FP4 | — | — |
| INT8 | 299.3 | 624.0 |
| INT4 | 598.7 | 1248.0 |
Specifications
| NVIDIA A40 48GB | NVIDIA A800 PCIe 80GB | |
|---|---|---|
| Architecture | Ampere | Ampere |
| Process Node | — | 7nm |
| Launch Year | 2021 | 2022 |
| Form Factor | PCIe | PCIe |
| Memory Type | GDDR6 | HBM2e |
| Interface Width | 384-bit | — |
| Interconnect | — | — |
| TDP | 300 W | 300 W |
| FP32 Efficiency | 0.12 TFLOPS/W | 0.07 TFLOPS/W |