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| | Radeon R9 270X vs GeForce GT 640 Rebrand |
Released October, 2013
Sapphire Radeon R9 270X
- 1.1 GHz
- 2 GB GDDR5
by techPowerUp!With a core clock of 1100 MHz, the GPU overclock isn't as large as on other cards, but the 25 MHz memory OC will help with performance.
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Differences What are the advantages of each
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| Much higher clock speed | 1,100 MHz | vs | 720 MHz | Around 55% higher clock speed | |||
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| Much higher effective memory clock speed | 6,000 MHz | vs | 1,800 MHz | More than 3.2x higher effective memory clock speed | |||
| Significantly better 3DMark vantage graphics score | 28,000 | vs | 9,030 | More than 3x better 3DMark vantage graphics score | |||
| Better 3DMark06 score | 23,610 | vs | 13,300 | Around 80% better 3DMark06 score | |||
| Better 3DMark 11 graphics score | 8,520 | vs | 2,310 | Around 3.8x better 3DMark 11 graphics score | |||
| Significantly better floating-point performance | 2,816 GFLOPS | vs | 414.7 GFLOPS | More than 6.8x better floating-point performance | |||
| Significantly higher pixel rate | 35.2 GPixel/s | vs | 4.32 GPixel/s | Around 8.2x higher pixel rate | |||
| Higher texture rate | 88 GTexel/s | vs | 17.3 GTexel/s | More than 5x higher texture rate | |||
| More memory | 2,048 MB | vs | 1,536 MB | Around 35% more memory | |||
| More shading units | 1,280 | vs | 144 | 1136 more shading units | |||
| Much higher memory clock speed | 1,500 MHz | vs | 900 MHz | More than 65% higher memory clock speed | |||
| More texture mapping units | 80 | vs | 24 | 56 more texture mapping units | |||
| More render output processors | 32 | vs | 24 | 8 more render output processors | |||
| Wider memory bus | 256 bit | vs | 192 bit | Around 35% wider memory bus | |||
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| Lower TDP | 75W | vs | 180W | 2.4x lower TDP | |||
Benchmarks Real world tests of Radeon R9 270X vs GeForce GT 640 Rebrand
3DMark 11 Graphics Industry standard benchmark that tests DirectX 11 GPU performance
Radeon R9 270X
8,520
GeForce GT 640 Rebrand
2,310
3DMark Vantage Graphics Industry standard benchmark that tests DirectX 10 GPU performance
Radeon R9 270X
28,000
GeForce GT 640 Rebrand
9,030
3DMark06 Industry standard benchmark that tests DirectX 9 GPU performance
Radeon R9 270X
23,610
GeForce GT 640 Rebrand
13,300
Reviews Word on the street
| Radeon R9 270X | vs | GeForce GT 640 Rebrand | ||
| 9.0 | 7.2 | Radeon R9 270X | |
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