GPUBoss Review Our evaluation of 7750 vs 8400 GS among Desktop GPUs

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more

6.7

Overall Score

Winner
AMD Radeon HD 7750 

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

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VS

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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Significantly higher effective memory clock speed 4,500 MHz vs 800 MHz Around 5.8x higher effective memory clock speed
Higher clock speed 800 MHz vs 520 MHz Around 55% higher clock speed
Higher memory bandwidth 72 GB/s vs 6.4 GB/s Around 11.2x higher memory bandwidth
Better PassMark score 1,665 vs 84 More than 19.8x better PassMark score
Much better T-Rex score 3,359.14 vs 799.54 Around 4.2x better T-Rex score
Significantly better sky diver factor score 162.28 vs 1.6 Around 101.8x better sky diver factor score
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 shading units 512 vs 16 496 more shading units
More render output processors 16 vs 4 12 more render output processors
More texture mapping units 32 vs 8 24 more texture mapping units
Better PassMark direct compute score 983 vs 58 Around 17x 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

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

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

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