GPUBoss Review Our evaluation of 550 Ti vs 640 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

6.2

Overall Score

Winner
Nvidia GeForce GTX 550 Ti 

GPUBoss recommends the Nvidia GeForce GTX 550 Ti  based on its benchmarks and compute performance.

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VS

Differences What are the advantages of each

Front view of GeForce GTX 550 Ti

Reasons to consider the
Nvidia GeForce GTX 550 Ti

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Significantly higher effective memory clock speed 4,104 MHz vs 1,800 MHz More than 2.2x higher effective memory clock speed
Significantly higher memory bandwidth 98.5 GB/s vs 28.8 GB/s Around 3.5x higher memory bandwidth
Slightly better PassMark score 1,926 vs 1,282 More than 50% better PassMark score
More render output processors 24 vs 16 8 more render output processors
Wider memory bus 192 bit vs 128 bit 50% wider memory bus
Higher memory clock speed 1,026 MHz vs 900 MHz Around 15% higher memory clock speed
Front view of GeForce GT 640

Reasons to consider the
Leadtek GeForce GT 640

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Slightly more shading units 384 vs 192 Twice as many shading units
Lower TDP 65W vs 116W Around 45% lower TDP

Benchmarks Real world tests of GeForce GTX 550 Ti vs GT 640

Bitcoin mining Data courtesy CompuBench

GeForce GTX 550 Ti
44.07 mHash/s
GeForce GT 640
20.86 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 550 Ti
16.59 mPixels/s
GeForce GT 640
11.31 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GTX 550 Ti
547.8 frames/s
GeForce GT 640
209.1 frames/s

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

Reviews Word on the street

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