Flopper.io GPU Comparison Sheet
September 4, 2026
flopper.io/compare/amd-radeon-rx-6600-8gb-vs-amd-radeon-rx-6800-xt-16gbAMD Radeon RX 6600 8GB vs AMD Radeon RX 6800 XT 16GB
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| AMD Radeon RX 6600 8GB | AMD Radeon RX 6800 XT 16GB | |
|---|---|---|
| FP32 TFLOPS | 8.9 | 20.7 |
| VRAM | 8 GB | 16 GB |
| Memory Bandwidth | 224 GB/s | 512 GB/s |
| TDP | 132 W | 300 W |
Performance by Precision
| Precision | AMD Radeon RX 6600 8GB peak TFLOPS (dense) | AMD Radeon RX 6800 XT 16GB peak TFLOPS (dense) |
|---|---|---|
| FP64 | — | — |
| FP32 | 8.9 | 20.7 |
| TF32 | — | — |
| BF16 | — | — |
| FP16 | 17.9 | 41.5 |
| FP8 | — | — |
| FP6 | — | — |
| FP4 | — | — |
| INT8 | — | — |
Specifications
| AMD Radeon RX 6600 8GB | AMD Radeon RX 6800 XT 16GB | |
|---|---|---|
| Architecture | RDNA 2 | RDNA 2 |
| Process Node | 7nm | 7nm |
| Launch Year | 2021 | 2020 |
| Form Factor | PCIe | PCIe |
| Memory Type | GDDR6 | GDDR6 |
| Interface Width | 128-bit | 256-bit |
| Interconnect | — | — |
| TDP | 132 W | 300 W |
| FP32 Efficiency | 0.07 TFLOPS/W | 0.07 TFLOPS/W |