Comparison of Radeon HD 8590M and Radeon R5 340X [S]ave
| Attribute |  Radeon R5 340X × | Radeon HD 8590M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2015 | 2013 |
| Reference card | - | AMD Radeon HD 8590M 750 MHz 1 GB |
| GPU brand | AMD | AMD |
| GPU name | Oland | Sun |
| Market | Desktop | Laptop |
| Clock speed (MHz) | 1,000 | 750 |
| Turbo clock speed (MHz) | 1,050 | 825 |
| Is dual GPU | - | - |
| Model | Radeon R5 340X | Radeon HD 8590M |
| Memory | ||
| Memory (MB) | 1,024 | 2,048 |
| Memory bandwidth (GB/s) | 72 | 36 |
| Memory bus (bit) | 128 | 64 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,125 | 1,125 |
| Effective memory clock speed (MHz) | 4,500 | 4,500 |
| Noise and power | ||
| TDP (W) | 65 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 8.4 | 6.6 |
| Render output processors | 8 | 8 |
| Texture mapping units | 24 | 20 |
| Shading units | 384 | 320 |
| Floating-point performance (GFLOPS) | 806 | 528 |
| Compute units | 6 | 5 |
| Texture rate (GTexel/s) | 25.2 | 16.5 |
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