GPUBoss Review Our evaluation of 7730 vs 645

Gaming

Real world tests using the latest 3D games

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

Benchmarks

Synthetic tests to measure overall performance

PassMark

Compute Performance

General computing tests executed on the GPU

PassMark Direct Compute and CLBenchmark Raytrace

Noise and Power

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

TDP

GPUBoss Score

Gaming, Benchmarks, Compute Performance and Noise and Power

Winner
Nvidia GeForce GTX 645 

GPUBoss recommends the Nvidia GeForce GTX 645  based on its .

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VS

Differences What are the advantages of each

Front view of Radeon HD 7730

Reasons to consider the
AMD Radeon HD 7730

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Higher effective memory clock speed 4,500 MHz vs 4,000 MHz Around 15% higher effective memory clock speed
Higher memory clock speed 1,125 MHz vs 1,000 MHz Around 15% higher memory clock speed
Front view of GeForce GTX 645

Reasons to consider the
Nvidia GeForce GTX 645

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Higher texture rate 39.6 GTexel/s vs 19.2 GTexel/s More than 2x higher texture rate
More render output processors 16 vs 8 Twice as many render output processors
Slightly more texture mapping units 48 vs 24 Twice as many texture mapping units

Benchmarks Real world tests of Radeon HD 7730 vs GeForce GTX 645

PassMark Industry standard benchmark for overall graphics card performanceData courtesy PassMark

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

CLBenchmark Raytrace Measures compute performance using OpenCL to do raytracing

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