GPUBoss Review Our evaluation of 7750 vs 8400 GS


Real world tests using the latest 3D games

crysis: warhead (2013), Crysis: Warhead (2012), Batman: Arkham City and 6 more


Synthetic tests to measure overall performance


Compute Performance

General computing tests executed on the GPU

PassMark Direct Compute

Noise and Power

How loud and hot does the card run idle and under load


GPUBoss Score

Gaming, Benchmarks, Compute Performance and Noise and Power

AMD Radeon HD 7750 

GPUBoss recommends the AMD Radeon HD 7750  based on its benchmarks and compute performance.

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AMD Radeon HD 7750

GPUBoss Winner
Front view of Radeon HD 7750

Differences What are the advantages of each

Front view of Radeon HD 7750

Reasons to consider the
AMD Radeon HD 7750

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Much higher clock speed 800 MHz vs 520 MHz Around 55% higher clock speed
Much better manhattan score 3,701.92 vs -1 Around 370300% better manhattan score
Much higher effective memory clock speed 4,500 MHz vs 800 MHz Around 5.8x higher effective memory clock speed
Better PassMark score 1,655 vs 115 Around 14.5x better PassMark score
Much better T-Rex score 3,358.52 vs 799.54 Around 4.2x better T-Rex score
Higher memory bandwidth 72 GB/s vs 6.4 GB/s Around 11.2x higher memory bandwidth
Much higher memory clock speed 1,125 MHz vs 400 MHz More than 2.8x higher memory clock speed
Better floating-point performance 819.2 GFLOPS vs 39.36 GFLOPS More than 20.8x better floating-point performance
Higher pixel rate 12.8 GPixel/s vs 2.08 GPixel/s Around 6.2x higher pixel rate
Slightly higher texture rate 25.6 GTexel/s vs 4.16 GTexel/s Around 6.2x higher texture rate
More render output processors 16 vs 4 12 more render output processors
More shading units 512 vs 16 496 more shading units
Slightly more texture mapping units 32 vs 8 24 more texture mapping units
Better PassMark direct compute score 964 vs 58 More than 16.5x better PassMark direct compute score
Front view of GeForce 8400 GS

Reasons to consider the
Nvidia GeForce 8400 GS

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Lower TDP 25W vs 55W 2.2x lower TDP

Benchmarks Real world tests of Radeon HD 7750 vs GeForce 8400 GS

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

GFXBench 3.0 (T-Rex)

GFXBench 3.0 (Manhattan)

PassMark Direct Compute Measures performance of general-purpose computing using Microsoft DirectCompute


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