Comparison of Radeon HD 4830 and GeForce GTX 275 [S]ave
| Attribute |  GeForce GTX 275 × |  Radeon HD 4830 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2009 | 2008 |
| GPU brand | Nvidia | ATI |
| GPU name | GT200 B3 | RV770 |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 633 | 575 |
| Is dual GPU | - | - |
| Model | GeForce GTX 275 | Radeon HD 4830 |
| Memory | ||
| Memory (MB) | 896 | 512 |
| Memory bandwidth (GB/s) | 127 | 57.6 |
| Memory bus (bit) | 448 | 256 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 1,134 | 900 |
| Effective memory clock speed (MHz) | 2,268 | 1,800 |
| Noise and power | ||
| TDP (W) | 219 | 95 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 17.72 | 9.2 |
| Render output processors | 28 | 16 |
| Texture mapping units | 80 | 32 |
| Shading units | 240 | 640 |
| Floating-point performance (GFLOPS) | 674 | 736 |
| Compute units | - | 8 |
| Texture rate (GTexel/s) | 50.64 | 18.4 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | - | -1 |
| PassMark | 1,234 | 964 |
| Cloud Gate Factor | 14.08 | - |
| Face detection (mPixels/s) | - | 1 |
| T-Rex (GFXBench 3.0) | 3195.46 | 3354.32 |
| Ocean surface simulation (frames/s) | - | 1 |
Help · Contact us · Disclaimer · Contributors · Developers · Donate