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Differences What are the advantages of each

Front view of Radeon HD 7970M

Reasons to consider the
AMD Radeon HD 7970M

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Higher clock speed 850 MHz vs 735 MHz More than 15% higher clock speed
Front view of Radeon E8950

Reasons to consider the
AMD Radeon E8950

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Much more memory 8,192 MB vs 2,048 MB 4x more memory
Higher effective memory clock speed 6,000 MHz vs 4,800 MHz 25% higher effective memory clock speed
Higher memory bandwidth 192 GB/s vs 153.6 GB/s More than 25% higher memory bandwidth
Better floating-point performance 3,010.6 GFLOPS vs 2,176 GFLOPS Around 40% better floating-point performance
Significantly better particle simulation score 510.69 mInteraction/s vs 306.98 mInteraction/s More than 65% better particle simulation score
More shading units 2,048 vs 1,280 768 more shading units
More texture mapping units 128 vs 80 48 more texture mapping units
Higher texture rate 94.1 GTexel/s vs 68 GTexel/s Around 40% higher texture rate
More compute units 32 vs 20 12 more compute units
Higher memory clock speed 1,500 MHz vs 1,200 MHz 25% higher memory clock speed

Benchmarks Real world tests of Radeon HD 7970M vs E8950

Bitcoin mining Data courtesy CompuBench

Radeon HD 7970M
257.3 mHash/s
Radeon E8950
326.39 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7970M
51.64 mPixels/s
Radeon E8950
66.84 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 7970M
1,121 frames/s
Radeon E8950
1,369.72 frames/s

Particle simulation Data courtesy CompuBench

Radeon HD 7970M
306.98 mInteraction/s
Radeon E8950
510.69 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon HD 7970M
5.42 frames/s
Radeon E8950
6.63 frames/s

Video composition Data courtesy CompuBench

Radeon HD 7970M
81.9 frames/s
Radeon E8950
65.84 frames/s

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