Comparison of Radeon HD 8950 and Radeon R7 450 [S]ave
| Attribute |  Radeon HD 8950 × |  Radeon R7 450 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2016 |
| GPU brand | AMD | AMD |
| GPU name | Curaçao PRO | Cape Verde |
| Market | Desktop | - |
| Clock speed (MHz) | 900 | 925 |
| Is dual GPU | - | - |
| Model | Radeon HD 8950 | Radeon R7 450 |
| Memory | ||
| Memory (MB) | 3,072 | 2,048 |
| Memory bandwidth (GB/s) | 240 | 72 |
| Memory bus (bit) | 384 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,250 | 1,125 |
| Effective memory clock speed (MHz) | 5,000 | 4,500 |
| Noise and power | ||
| TDP (W) | - | 65 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 43.2 | 14.8 |
| Render output processors | 48 | 16 |
| Texture mapping units | 144 | 32 |
| Shading units | 2,304 | 512 |
| Floating-point performance (GFLOPS) | 4,147 | 947 |
| Compute units | 36 | 8 |
| Texture rate (GTexel/s) | 129.6 | 29.6 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 321.98 | 268.82 |
| T-Rex (Compubench 1.5) (frames/s) | 3.33 | 2.62 |
| Video composition (frames/s) | 64.21 | 41.41 |
| PassMark | 3,120 | 2,155 |
| PassMark Direct Compute | 1,741 | 1,616 |
| Face detection (mPixels/s) | 40.31 | 24.79 |
| Bitcoin mining (mHash/s) | 181.51 | 112.35 |
| Ocean surface simulation (frames/s) | 795.33 | 638.2 |
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