FP compare
Compare FP32, FP16, BF16, MXFP8, FP8, FP8_scaled, and NVFP4 floating-point formats in AI image generation. Evaluate image quality (MAE & SSIM similarity) and generation speed with real benchmark data, charts, and side-by-side image comparisons.
Images and Data
FP32
| FP32 | MAE_Similarity | SSIM_Similarity | Time (sec) |
|---|---|---|---|
| No.1 | 100.0 % | 100.0 % | 371.6 |
| No.2 | 100.0 % | 100.0 % | 360.9 |
| No.3 | 100.0 % | 100.0 % | 361.4 |
| No.4 | 100.0 % | 100.0 % | 361.4 |
| No.5 | 100.0 % | 100.0 % | 359.8 |
| median | 100.0 % | 100.0 % | 361.4 |
FP16
| FP16 | MAE_Similarity | SSIM_Similarity | Time (sec) |
|---|---|---|---|
| No.1 | 96.2 % | 96.6 % | 103.4 |
| No.2 | 94.0 % | 82.9 % | 98.3 |
| No.3 | 95.2 % | 93.4 % | 97.9 |
| No.4 | 95.3 % | 91.0 % | 98.2 |
| No.5 | 97.3 % | 97.5 % | 98.3 |
| median | 95.3 % | 93.4 % | 98.3 |
BF16
| BF16 | MAE_Similarity | SSIM_Similarity | Time (sec) |
|---|---|---|---|
| No.1 | 95.6 % | 95.2 % | 102.6 |
| No.2 | 93.0 % | 80.4 % | 96.9 |
| No.3 | 94.9 % | 92.9 % | 97.1 |
| No.4 | 95.4 % | 91.1 % | 96.9 |
| No.5 | 97.2 % | 97.6 % | 96.8 |
| median | 95.4 % | 92.9 % | 96.9 |
MXFP8
| MXFP8 | MAE_Similarity | SSIM_Similarity | Time (sec) |
|---|---|---|---|
| No.1 | 94.2 % | 93.3 % | 115.9 |
| No.2 | 92.5 % | 78.0 % | 112.8 |
| No.3 | 93.0 % | 87.8 % | 112.8 |
| No.4 | 95.2 % | 92.1 % | 112.9 |
| No.5 | 96.1 % | 96.2 % | 112.8 |
| median | 94.2 % | 92.1 % | 112.8 |
FP8_scaled
| FP8_scaled | MAE_Similarity | SSIM_Similarity | Time (sec) |
|---|---|---|---|
| No.1 | 93.5 % | 93.2 % | 76.4 |
| No.2 | 91.3 % | 76.8 % | 73.4 |
| No.3 | 93.2 % | 91.0 % | 73.4 |
| No.4 | 93.4 % | 85.3 % | 73.4 |
| No.5 | 94.6 % | 92.2 % | 73.4 |
| median | 93.4 % | 91.0 % | 73.4 |
FP8
| FP8 | MAE_Similarity | SSIM_Similarity | Time (sec) |
|---|---|---|---|
| No.1 | 87.5 % | 73.3 % | 94.75 |
| No.2 | 82.9 % | 35.0 % | 92.06 |
| No.3 | 89.7 % | 77.9 % | 92.06 |
| No.4 | 83.7 % | 39.6 % | 92.06 |
| No.5 | 87.5 % | 72.5 % | 92.07 |
| median | 87.5 % | 72.5 % | 92.06 |
NVFP4
| NVFP4 | MAE_Similarity | SSIM_Similarity | Time (sec) |
|---|---|---|---|
| No.1 | 88.4 % | 78.9 % | 93.5 |
| No.2 | 88.4 % | 57.7 % | 90.4 |
| No.3 | 89.5 % | 79.5 % | 90.4 |
| No.4 | 84.1 % | 39.7 % | 90.4 |
| No.5 | 90.3 % | 81.1 % | 90.4 |
| median | 88.4 % | 78.9 % | 90.4 |
Graph
Model Quantization: Image Quality Comparison
| vs_FP32 | MAE_Similarity | SSIM_Similarity | Size |
|---|---|---|---|
| FP32 | 100% | 100% | 35.2 GB |
| FP16 | 96.2 % | 96.6 % | 17.6 GB |
| BF16 | 95.6 % | 95.2 % | 17.6 GB |
| MXFP8 | 94.2 % | 93.3 % | 10.3 GB |
| FP8_scaled | 93.5 % | 93.2 % | 10.1 GB |
| FP8 | 87.5 % | 73.3 % | 8.8 GB |
| NVFP4 | 88.4 % | 78.9 % | 6.8 GB |
Model Quantization: Generation Speed Comparison
Benchmark Workflow
