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Differences What are the advantages of each

Front view of Radeon HD 8400E

Reasons to consider the
AMD Radeon HD 8400E

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Higher clock speed 600 MHz vs 500 MHz 20% higher clock speed
Front view of Mobility Radeon HD 4850

Reasons to consider the
ATi Mobility Radeon HD 4850

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Much better T-Rex score 2,486.38 vs 1,665.75 Around 50% better T-Rex score
Better PassMark score 864 vs 341 More than 2.5x better PassMark score
Higher memory bandwidth 54.4 GB/s vs 8.53 GB/s Around 6.5x higher memory bandwidth
Much wider memory bus 256 bit vs 64 bit 4x wider memory bus
Better floating-point performance 800 GFLOPS vs 192 GFLOPS Around 4.2x better floating-point performance
Slightly higher effective memory clock speed 1,700 MHz vs 1,066 MHz Around 60% higher effective memory clock speed
More shading units 800 vs 160 640 more shading units
More texture mapping units 40 vs 8 32 more texture mapping units
More render output processors 16 vs 4 12 more render output processors
More compute units 10 vs 2 8 more compute units
Higher memory clock speed 850 MHz vs 533 MHz Around 60% higher memory clock speed
Slightly higher texture rate 20 GTexel/s vs 4.8 GTexel/s Around 4.2x higher texture rate

Benchmarks Real world tests of Radeon HD 8400E vs Mobility Radeon HD 4850

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

T-Rex (GFXBench 3.0) Data courtesy CompuBench


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