GPUBoss Review Our evaluation of 650 vs 645


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 and CLBenchmark Raytrace

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

Nvidia GeForce GTX 645 

GPUBoss recommends the Nvidia GeForce GTX 645  based on its compute performance.

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Differences What are the advantages of each

Front view of GeForce GTX 650

Reasons to consider the
Colorful GeForce GTX 650

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Significantly higher clock speed 1,058 MHz vs 824 MHz Around 30% higher clock speed
Higher effective memory clock speed 5,000 MHz vs 4,000 MHz 25% higher effective memory clock speed
Higher memory clock speed 1,250 MHz vs 1,000 MHz 25% higher memory clock speed
Front view of GeForce GTX 645

Reasons to consider the
Nvidia GeForce GTX 645

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Significantly better T-Rex score 4,865.31 vs 3,357.58 Around 45% better T-Rex score
Better manhattan score 3,679.71 vs 3,460.72 More than 5% better manhattan score
More SMX units 3 vs 2 1 more SMX units

Benchmarks Real world tests of GeForce GTX 650 vs 645

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

GFXBench 3.0 (T-Rex)

GeForce GTX 650
GeForce GTX 645

GFXBench 3.0 (Manhattan)

GeForce GTX 650
GeForce GTX 645

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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