GPUBoss Review Our evaluation of 7750 vs 640

Gaming

Real world tests using the latest 3D games

Civilization 5

Benchmarks

Synthetic tests to measure overall performance

Passmark and 3DMark Vantage Texture Fill

Compute Performance

General computing tests executed on the GPU

SmallLuxGPU 2.0d4, Civilization 5 Texture Decomposition (2012) and 1 more

Noise and Power

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

TDP, Idle Noise Level, Load Noise Level, Idle Power Consumption and 1 more

GPUBoss Score

Gaming, Benchmarks, Compute Performance and Noise and Power

Winner
AMD Radeon HD 7750 

GPUBoss recommends the AMD Radeon HD 7750  based on its .

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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 1,800 MHz 2.5x higher effective memory clock speed
Higher memory bandwidth 72 GB/s vs 28.8 GB/s 2.5x higher memory bandwidth
Quieter idle noise level 44.8 dB vs 46.4 dB Around 5% quieter idle noise level
Slightly higher pixel rate 12.8 GPixel/s vs 7.22 GPixel/s More than 75% higher pixel rate
Higher memory clock speed 1,125 MHz vs 900 MHz 25% higher memory clock speed
Better SmallLuxGPU 2.0d4 score 7,300 vs 1,600 More than 4.5x better SmallLuxGPU 2.0d4 score
Better civilization 5 texture decomposition (2012) score 104.3 vs 70.6 Around 50% better civilization 5 texture decomposition (2012) score
Higher civilization 5 framerate 41.7 fps vs 27.1 fps Around 55% higher civilization 5 framerate
Front view of GeForce GT 640

Reasons to consider the
Leadtek GeForce GT 640

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Higher clock speed 902 MHz vs 800 MHz Around 15% higher clock speed

Benchmarks Real world tests of Radeon HD 7750 vs GeForce GT 640

Passmark Industry standard benchmark for overall graphics card performance

3DMark Vantage (Texture Fill) Industry standard benchmark that tests DirectX performance

Radeon HD 7750 GeForce GT 640 @ anandtech.com

Civilization 5 1680x1050 - Maximum quality + 4xMSAA

Radeon HD 7750
41.7 fps
GeForce GT 640
27.1 fps
Radeon HD 7750 GeForce GT 640 @ anandtech.com
Even though it has been released in 2004, Blizzard has always added incremental improvements to the game's graphics, especially with new expansions.
Radeon HD 7750 | by techPowerUp! (Nov, 2012)

SmallLux GPU 2.0d4 Measures compute performance using OpenCL to do 3D rendering

Radeon HD 7750 GeForce GT 640 @ anandtech.com

Civilization 5 Texture Decomp (2012) Using the newest graphics cards Civ V can speed screen transitions by reducing texture sizes

Radeon HD 7750 GeForce GT 640 @ anandtech.com

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

Reviews Word on the street

Radeon HD 7750  vs GeForce GT 640 

8.4
7.2
The card also uses a dual-slot cooler and improves power delivery by adding a 6-pin PCIe power connector.
Radeon HD 7750

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