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Differences What are the advantages of each

Front view of Radeon R9 M380

Reasons to consider the
AMD Radeon R9 M380

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Higher effective memory clock speed 6,000 MHz vs 4,800 MHz 25% higher effective memory clock speed
Significantly better T-Rex score 2.62 frames/s vs -1 frames/s More than 350% better T-Rex score
Higher memory clock speed 1,500 MHz vs 1,200 MHz 25% higher memory clock speed
Higher turbo clock speed 1,000 MHz vs 900 MHz More than 10% higher turbo clock speed
Front view of Radeon R9 M290X

Reasons to consider the
AMD Radeon R9 M290X

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Much better T-Rex score 3,324.52 vs 736.76 More than 4.5x better T-Rex score
Significantly better PassMark score 4,284 vs 3,047 More than 40% better PassMark score
Higher memory bandwidth 153.6 GB/s vs 96 GB/s 60% higher memory bandwidth
Better floating-point performance 2,304 GFLOPS vs 1,536 GFLOPS 50% better floating-point performance
Higher pixel rate 28.8 GPixel/s vs 16 GPixel/s 80% higher pixel rate
More render output processors 32 vs 16 Twice as many render output processors
Significantly wider memory bus 256 bit vs 128 bit 2x wider memory bus
Higher texture rate 72 GTexel/s vs 48 GTexel/s 50% higher texture rate
More shading units 1,280 vs 768 512 more shading units
More texture mapping units 80 vs 48 32 more texture mapping units
Significantly better PassMark direct compute score 2,527 vs 1,515 More than 65% better PassMark direct compute score
More compute units 20 vs 12 8 more compute units

Benchmarks Real world tests of Radeon R9 M380 vs M290X

Bitcoin mining Data courtesy CompuBench

Radeon R9 M380
193.9 mHash/s
Radeon R9 M290X
258.05 mHash/s

Face detection Data courtesy CompuBench

Radeon R9 M380
35.81 mPixels/s
Radeon R9 M290X
54.52 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon R9 M380
569.22 frames/s
Radeon R9 M290X
1,134.46 frames/s

Particle simulation Data courtesy CompuBench

Radeon R9 M380
235.44 mInteraction/s
Radeon R9 M290X
350.88 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon R9 M380
2.62 frames/s
Radeon R9 M290X
-1 frames/s

Video composition Data courtesy CompuBench

Radeon R9 M380
48.62 frames/s
Radeon R9 M290X
84.45 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Manhattan (GFXBench 3.0) Data courtesy CompuBench

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