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Differences What are the advantages of each

Front view of Radeon HD 7670M

Reasons to consider the
AMD Radeon HD 7670M

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Higher effective memory clock speed 3,600 MHz vs 1,700 MHz More than 2x higher effective memory clock speed
Higher clock speed 600 MHz vs 500 MHz 20% higher clock speed
Front view of Mobility Radeon HD 4850

Reasons to consider the
ATi Mobility Radeon HD 4850

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Much better T-Rex score 2,486.38 vs 1,803.68 Around 40% better T-Rex score
Significantly wider memory bus 256 bit vs 128 bit 2x wider memory bus
More shading units 800 vs 480 320 more shading units
More texture mapping units 40 vs 24 16 more texture mapping units
Better cloud gate factor score 12.33 vs 9.23 Around 35% better cloud gate factor score
More compute units 10 vs 6 4 more compute units

Benchmarks Real world tests of Radeon HD 7670M vs Mobility Radeon HD 4850

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Cloud Gate Factor Data courtesy FutureMark

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