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AMD Radeon HD 7870M

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Front view of Radeon HD 7870M

Differences What are the advantages of each

Front view of Radeon HD 7870M

Reasons to consider the
AMD Radeon HD 7870M

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Significantly higher clock speed 800 MHz vs 450 MHz Around 80% higher clock speed
Better PassMark score 1,477 vs 617 Around 2.5x better PassMark score
Better 3DMark06 score 2,702 vs 829 More than 3.2x better 3DMark06 score
More memory 2,048 MB vs 1,024 MB 2x more memory
Higher memory bandwidth 64 GB/s vs 25.6 GB/s Around 2.5x higher memory bandwidth
Significantly better T-Rex score 3,359.38 vs 3,353.74 Almost the same
Higher effective memory clock speed 4,000 MHz vs 3,200 MHz 25% higher effective memory clock speed
Better floating-point performance 1,024 GFLOPS vs 432 GFLOPS More than 2.2x better floating-point performance
Higher texture rate 32 GTexel/s vs 10.8 GTexel/s Around 3x higher texture rate
Better sky diver factor score 193.41 vs 55.27 Around 3.5x better sky diver factor score
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Better PassMark direct compute score 934 vs 347 Around 2.8x better PassMark direct compute score
More texture mapping units 40 vs 24 16 more texture mapping units
Higher memory clock speed 1,000 MHz vs 800 MHz 25% higher memory clock speed
More compute units 10 vs 6 4 more compute units
Front view of Radeon HD 7570M

Reasons to consider the
AMD Radeon HD 7570M

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Better 3DMark 11 graphics score 5,998.5 vs 2,702 Around 2.2x better 3DMark 11 graphics score
Lower TDP 13W vs 45W 3.5x lower TDP

Benchmarks Real world tests of Radeon HD 7870M vs 7570M

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

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

3DMark06 Industry standard benchmark that tests DirectX 9 GPU performance

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7870M
3,359.38
Radeon HD 7570M
3,353.74

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7870M
3,705.92
Radeon HD 7570M
2,020.57

Sky Diver Factor Data courtesy FutureMark

PassMark Direct Compute Measures performance of general-purpose computing using Microsoft DirectCompute

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