Radeon HD 7770 vs 4890 |
Released February, 2012
AMD Radeon HD 7770
- 1 GHz
- 1 GB GDDR5
by techPowerUp! (Feb, 2012)In terms of clock speed we see a small bump, but not as big as on other overclocked cards today.
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Released April, 2009
XFX Radeon HD 4890
- 1 GHz
- 1 GB GDDR5
by techPowerUp! (Apr, 2009)To find the maximum overclock of our card we used a combination of ATITool's successor and our benchmarking suite.
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Differences What are the advantages of each
| |||||||
| Much better sky diver factor score | 221.64 | vs | 2.27 | More than 97.8x better sky diver factor score | |||
|---|---|---|---|---|---|---|---|
| Better PassMark score | 2,194 | vs | 1,535 | Around 45% better PassMark score | |||
| Higher effective memory clock speed | 4,500 MHz | vs | 4,000 MHz | Around 15% higher effective memory clock speed | |||
| Higher memory clock speed | 1,125 MHz | vs | 1,000 MHz | Around 15% higher memory clock speed | |||
| Significantly lower TDP | 80W | vs | 190W | 2.4x lower TDP | |||
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| Higher memory bandwidth | 128 GB/s | vs | 72 GB/s | Around 80% higher memory bandwidth | |||
| Wider memory bus | 256 bit | vs | 128 bit | 2x wider memory bus | |||
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Benchmarks Real world tests of Radeon HD 7770 vs 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
| Radeon HD 7770 | vs | 4890 | ||
 | Radeon HD 7770 | |||
|---|---|---|---|---|
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