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Benchmarks Real world tests of the Radeon HD 4890
PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark
T-Rex (GFXBench 3.0) Data courtesy CompuBench
Sky Diver Factor Data courtesy FutureMark
Cloud Gate Factor Data courtesy FutureMark
Reviews Word on the street for the Radeon HD 4890
Specifications Full list of technical specs
gpu
| GPU brand | ATI |
|---|---|
| GPU name | RV790 |
| Market | Desktop |
| Clock speed | 870 MHz |
| Is dual GPU | No |
| Reference card | ATi Radeon HD 4890 850 MHz 1 GB |
raw performance
| Shading units | 800 |
|---|---|
| Texture mapping units | 40 |
| Render output processors | 16 |
| Compute units | 10 |
| Pixel rate | 13.92 GPixel/s |
| Texture rate | 34.8 GTexel/s |
| Floating-point performance | 1,392 GFLOPS |
memory
| Memory clock speed | 1,050 MHz |
|---|---|
| Effective memory clock speed | 4,200 MHz |
| Memory bus | 256 bit |
| Memory | 1,024 MB |
| Memory type | GDDR5 |
| Memory bandwidth | 134.4 GB/s |
noise and power
| TDP | 190W |
|---|
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Competitors
 | |
 | MSI GeForce GTX 560 Ti
|
 | AMD Radeon HD 7770
|
 | Colorful GeForce GTX 650
|
 | |
 | Nvidia GeForce GTX 550 Ti
|
 | ATi Radeon HD 5770
|
Other Radeon HD 4890s
 | XFX Radeon HD 4890 Black Edition
|
 | ATi Radeon HD 4890
|
 | Sapphire Radeon HD 4890 Vapor-X OC 2 GB
|
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