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Differences What are the advantages of each

Front view of Radeon R5 M230

Reasons to consider the
AMD Radeon R5 M230

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Significantly higher clock speed 825 MHz vs 550 MHz 50% higher clock speed
Significantly more memory 4,096 MB vs 1,024 MB 4x more memory
Higher memory clock speed 1,000 MHz vs 700 MHz Around 45% higher memory clock speed
Front view of Mobility Radeon HD 4870

Reasons to consider the
ATi Mobility Radeon HD 4870

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Higher memory bandwidth 89.6 GB/s vs 16 GB/s More than 5.5x higher memory bandwidth
Much wider memory bus 256 bit vs 64 bit 4x wider memory bus
Higher effective memory clock speed 2,800 MHz vs 2,000 MHz 40% higher effective memory clock speed
More shading units 800 vs 320 480 more shading units
Better cloud gate factor score 11.67 vs 7.37 Around 60% better cloud gate factor score
More texture mapping units 40 vs 20 Twice as many texture mapping units
More render output processors 16 vs 8 Twice as many render output processors
More compute units 10 vs 5 Twice as many compute units

Benchmarks Real world tests of Radeon R5 M230 vs Mobility Radeon HD 4870

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Cloud Gate Factor Data courtesy FutureMark

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