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| Radeon HD 7670M vs 3850 X2 |
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Differences What are the advantages of each
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Higher effective memory clock speed | 3,600 MHz | vs | 1,656 MHz | Around 2.2x higher effective memory clock speed | |||
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Significantly lower TDP | 20W | vs | 140W | 7x lower TDP | |||
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Is dual GPU | Yes | vs | No | About half of graphics cards are dual GPU | |||
Higher memory bandwidth | 105.98 GB/s | vs | 57.6 GB/s | Around 85% higher memory bandwidth | |||
Slightly higher clock speed | 669 MHz | vs | 600 MHz | More than 10% higher clock speed | |||
Higher pixel rate | 21.4 GPixel/s | vs | 9.6 GPixel/s | Around 2.2x higher pixel rate | |||
More render output processors | 32 | vs | 16 | Twice as many render output processors | |||
Wider memory bus | 512 bit | vs | 128 bit | 4x wider memory bus |
Benchmarks Real world tests of Radeon HD 7670M vs 3850 X2
PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark
Radeon HD 7670M
814
Features Key features of the Radeon HD 7670M vs 3850 X2
memory bandwidth Rate at which data can be read from or stored in onboard memory
Radeon HD 7670M
57.6 GB/s
Radeon HD 3850 X2
105.98 GB/s
pixel rate Number of pixels a graphics card can render to the screen every second
Radeon HD 7670M
9.6 GPixel/s
Radeon HD 3850 X2
21.4 GPixel/s
texture rate Speed at which a graphics card can perform texture mapping
Radeon HD 7670M
14.4 GTexel/s
Radeon HD 3850 X2
21.4 GTexel/s
floating point performance How fast the gpu can crunch numbers
Radeon HD 7670M
576 GFLOPS
Radeon HD 3850 X2
856.4 GFLOPS
shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading
Radeon HD 7670M
480
texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes
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