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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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Better PassMark score 814 vs 332 Around 2.5x better PassMark score
Better 3DMark 11 graphics score 8,203 vs 4,346.5 Around 90% better 3DMark 11 graphics score
Better 3DMark vantage graphics score 4,252.5 vs 1,938 Around 2.2x better 3DMark vantage graphics score
Higher memory bandwidth 57.6 GB/s vs 25.6 GB/s 2.2x higher memory bandwidth
More render output processors 16 vs 4 12 more render output processors
Slightly higher pixel rate 9.6 GPixel/s vs 2.8 GPixel/s Around 3.5x higher pixel rate
More shading units 480 vs 160 Three times as many shading units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
More texture mapping units 24 vs 8 Three times as many texture mapping units
More compute units 6 vs 2 Three times as many compute units
Higher memory clock speed 900 MHz vs 800 MHz Around 15% higher memory clock speed
Front view of Radeon HD 7450M

Reasons to consider the
AMD Radeon HD 7450M

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Higher clock speed 700 MHz vs 600 MHz More than 15% higher clock speed

Benchmarks Real world tests of Radeon HD 7670M vs 7450M

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

3DMark 11 Graphics Industry standard benchmark that tests DirectX 11 GPU performance

3DMark Vantage Graphics Industry standard benchmark that tests DirectX 10 GPU performance

3DMark06 Industry standard benchmark that tests DirectX 9 GPU performance

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