GPUBoss Review Our evaluation of R7 240 vs 640

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

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
Leadtek GeForce GT 640 

GPUBoss recommends the Leadtek GeForce GT 640  based on its .

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VS

Differences What are the advantages of each

Front view of Radeon R7 240

Reasons to consider the
AMD Radeon R7 240

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More memory 2,048 MB vs 1,024 MB 2x more memory
Lower TDP 30W vs 65W 2.2x lower TDP
Front view of GeForce GT 640

Reasons to consider the
Leadtek GeForce GT 640

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Significantly higher clock speed 902 MHz vs 730 MHz Around 25% higher clock speed
More render output processors 16 vs 8 Twice as many render output processors

Benchmarks Real world tests of Radeon R7 240 vs GeForce GT 640

Passmark Industry standard benchmark for overall graphics card performance

We don't use 3DMark to draw GPU performance conclusions but it does make for a great optimization target.
Radeon R7 240 | by Anand-Lal-Shimpi (Jun, 2013)

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

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