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Differences What are the advantages of each

Front view of Radeon R7 M260

Reasons to consider the
AMD Radeon R7 M260

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Higher effective memory clock speed 4,000 MHz vs 1,700 MHz More than 2.2x higher effective memory clock speed
Higher memory clock speed 1,000 MHz vs 850 MHz Around 20% higher memory clock speed
Front view of Mobility Radeon HD 3870

Reasons to consider the
ATi Mobility Radeon HD 3870

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Significantly wider memory bus 256 bit vs 128 bit 2x wider memory bus
More render output processors 16 vs 8 Twice as many render output processors

Benchmarks Real world tests of Radeon R7 M260 vs Mobility Radeon HD 3870

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon R7 M260  vs Mobility Radeon HD 3870 

memory bandwidth Rate at which data can be read from or stored in onboard memory

pixel rate Number of pixels a graphics card can render to the screen every second

Radeon R7 M260
5.72 GPixel/s
Mobility Radeon HD 3870
10.56 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

Radeon R7 M260
17.16 GTexel/s
Mobility Radeon HD 3870
10.56 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R7 M260
549.1 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

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