Radeon HD 7950 vs 3850 X2 |
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Differences What are the advantages of each
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| Significantly better PassMark score | 4,764 | vs | 792 | More than 6x better PassMark score | |||
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| Much higher effective memory clock speed | 5,000 MHz | vs | 1,656 MHz | More than 3x higher effective memory clock speed | |||
| Much higher memory bandwidth | 240 GB/s | vs | 105.98 GB/s | More than 2.2x higher memory bandwidth | |||
| Better floating-point performance | 2,867.2 GFLOPS | vs | 856.4 GFLOPS | More than 3.2x better floating-point performance | |||
| More memory | 3,072 MB | vs | 1,024 MB | 3x more memory | |||
| Higher clock speed | 800 MHz | vs | 669 MHz | Around 20% higher clock speed | |||
| Higher texture rate | 89.6 GTexel/s | vs | 21.4 GTexel/s | Around 4.2x higher texture rate | |||
| Significantly more texture mapping units | 112 | vs | 32 | 80 more texture mapping units | |||
| Significantly more shading units | 1,792 | vs | 640 | 1152 more shading units | |||
| Significantly more compute units | 28 | vs | 8 | 20 more compute units | |||
| Significantly higher memory clock speed | 1,250 MHz | vs | 828 MHz | More than 50% higher memory clock speed | |||
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| Is dual GPU | Yes | vs | No | About half of graphics cards are dual GPU | |||
| Wider memory bus | 512 bit | vs | 384 bit | Around 35% wider memory bus | |||
| Lower TDP | 140W | vs | 200W | 30% lower TDP | |||
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Benchmarks Real world tests of Radeon HD 7950 vs 3850 X2
PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark
Features Key features of the Radeon HD 7950 vs 3850 X2
memory bandwidth Rate at which data can be read from or stored in onboard memory
pixel rate Number of pixels a graphics card can render to the screen every second
texture rate Speed at which a graphics card can perform texture mapping
floating point performance How fast the gpu can crunch numbers
shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading
texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes
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