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Differences What are the advantages of each

Front view of Radeon R9 M390X

Reasons to consider the
AMD Radeon R9 M390X

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Much better PassMark score 8,449 vs 3,047 More than 2.8x better PassMark score
Much better manhattan score 3,384.91 vs 480.07 More than 7x better manhattan score
Higher memory bandwidth 160 GB/s vs 96 GB/s More than 65% higher memory bandwidth
Better floating-point performance 2,961.4 GFLOPS vs 1,536 GFLOPS Around 95% better floating-point performance
Significantly more shading units 2,048 vs 768 1280 more shading units
Significantly more texture mapping units 128 vs 48 80 more texture mapping units
Much better PassMark direct compute score 4,164 vs 1,515 Around 2.8x better PassMark direct compute score
Higher texture rate 92.5 GTexel/s vs 48 GTexel/s Around 95% higher texture rate
Significantly more compute units 32 vs 12 20 more compute units
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
Slightly higher pixel rate 23.14 GPixel/s vs 16 GPixel/s Around 45% higher pixel rate
Better particle simulation score 313.49 mInteraction/s vs 235.44 mInteraction/s Around 35% better particle simulation score
Front view of Radeon R9 M380

Reasons to consider the
AMD Radeon R9 M380

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Higher clock speed 900 MHz vs 723 MHz Around 25% higher clock speed
Higher effective memory clock speed 6,000 MHz vs 5,000 MHz 20% higher effective memory clock speed
Higher memory clock speed 1,500 MHz vs 1,250 MHz 20% higher memory clock speed

Benchmarks Real world tests of Radeon R9 M390X vs M380

Bitcoin mining Data courtesy CompuBench

Radeon R9 M390X
241.5 mHash/s
Radeon R9 M380
193.9 mHash/s

Face detection Data courtesy CompuBench

Radeon R9 M390X
44.39 mPixels/s
Radeon R9 M380
35.81 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon R9 M390X
881.96 frames/s
Radeon R9 M380
569.22 frames/s

Particle simulation Data courtesy CompuBench

Radeon R9 M390X
313.49 mInteraction/s
Radeon R9 M380
235.44 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon R9 M390X
4.03 frames/s
Radeon R9 M380
2.62 frames/s

Video composition Data courtesy CompuBench

Radeon R9 M390X
73.78 frames/s
Radeon R9 M380
48.62 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Manhattan (GFXBench 3.0) Data courtesy CompuBench

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