Radeon HD 4890 vs GeForce GTX 650 |
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Differences What are the advantages of each
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| Higher memory bandwidth | 128 GB/s | vs | 80 GB/s | 60% higher memory bandwidth | |||
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| Better floating-point performance | 1,600 GFLOPS | vs | 812.5 GFLOPS | More than 95% better floating-point performance | |||
| More shading units | 800 | vs | 384 | 416 more shading units | |||
| Slightly higher pixel rate | 16 GPixel/s | vs | 8.46 GPixel/s | Around 90% higher pixel rate | |||
| Wider memory bus | 256 bit | vs | 128 bit | 2x wider memory bus | |||
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| Higher effective memory clock speed | 5,000 MHz | vs | 4,000 MHz | 25% higher effective memory clock speed | |||
| Much better sky diver factor score | 151.81 | vs | 2.27 | Around 67x better sky diver factor score | |||
| Higher memory clock speed | 1,250 MHz | vs | 1,000 MHz | 25% higher memory clock speed | |||
| Significantly lower TDP | 65W | vs | 190W | 2.9x lower TDP | |||
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Benchmarks Real world tests of Radeon HD 4890 vs GeForce GTX 650
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
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