Radeon HD 7670M vs Mobility Radeon HD 3870 |
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Differences What are the advantages of each
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| Higher effective memory clock speed | 3,600 MHz | vs | 1,700 MHz | More than 2x higher effective memory clock speed | |||
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| Lower TDP | 20W | vs | 55W | 2.7x lower TDP | |||
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| Slightly higher clock speed | 660 MHz | vs | 600 MHz | 10% higher clock speed | |||
| Significantly wider memory bus | 256 bit | vs | 128 bit | 2x wider memory bus | |||
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Benchmarks Real world tests of Radeon HD 7670M vs Mobility Radeon HD 3870
PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark
Features Key features of the Radeon HD 7670M vs Mobility Radeon HD 3870
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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