GPUBoss Review Our evaluation of 6870 vs 660

Gaming

Real world tests using the latest 3D games

crysis: warhead (2013), Crysis: Warhead (2012), Batman: Arkham City and 3 more

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 (2013) and 2 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
Nvidia GeForce GTX 660 

GPUBoss recommends the Nvidia GeForce GTX 660  based on its .

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VS

Differences What are the advantages of each

Front view of Radeon HD 6870

Reasons to consider the
MSI Radeon HD 6870

Report a correction
Higher pixel rate 29.8 GPixel/s vs 19.6 GPixel/s More than 50% higher pixel rate
Quieter idle noise level 39.3 dB vs 40.8 dB Around 5% quieter idle noise level
More render output processors 32 vs 24 8 more render output processors
Better SmallLuxGPU 2.0d4 score 10,600 vs 5,000 More than 2x better SmallLuxGPU 2.0d4 score
Wider memory bus 256 bit vs 192 bit Around 35% wider memory bus
Front view of GeForce GTX 660

Reasons to consider the
Nvidia GeForce GTX 660

Report a correction
Better passmark score 4,122 vs 2,580 Around 60% better passmark score
Significantly higher effective memory clock speed 6,008 MHz vs 4,200 MHz Around 45% higher effective memory clock speed
More memory 2,048 MB vs 1,024 MB 2x more memory
Better 3DMark vantage texture fill score 65.3 vs 45.8 Around 45% better 3DMark vantage texture fill score
Higher clock speed 980 MHz vs 930 MHz More than 5% higher clock speed
Higher texture rate 78.4 GTexel/s vs 52.1 GTexel/s More than 50% higher texture rate
Significantly higher memory clock speed 1,502 MHz vs 1,050 MHz Around 45% higher memory clock speed
Quieter load noise level 47.4 dB vs 50.6 dB More than 5% quieter load noise level
Significantly better civilization 5 texture decomposition (2013) score 288.9 vs 219.7 More than 30% better civilization 5 texture decomposition (2013) score
Higher battlefield 3 framerate 82.5 fps vs 47.5 fps Around 75% higher battlefield 3 framerate
Higher batman: arkham city framerate 75 fps vs 51 fps More than 45% higher batman: arkham city framerate
Better civilization 5 texture decomposition (2012) score 186.3 vs 141.5 More than 30% better civilization 5 texture decomposition (2012) score
Higher civilization 5 framerate 72.2 fps vs 50 fps Around 45% higher civilization 5 framerate
Better passmark direct compute score 1,928 vs 1,135 Around 70% better passmark direct compute score
More texture mapping units 80 vs 56 24 more texture mapping units
Higher crysis: warhead framerate 39.6 fps vs 32.3 fps Around 25% higher crysis: warhead framerate

Benchmarks Real world tests of Radeon HD 6870 vs GeForce GTX 660

Passmark Industry standard benchmark for overall graphics card performance

3DMark 11, as the name might probably suggest, makes use of the Microsoft DirectX 11 API and puts every feature of it at its disposal to use, creating astonishingly realistic visuals.
GeForce GTX 660 | by techPowerUp! (Sep, 2012)

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

Crysis: Warhead (2013) 1920x1080 - Enthusiast Quality + 4xAA

Radeon HD 6870
32.3 fps
GeForce GTX 660
39.6 fps
The game was by far the most hyped and anticipated game in 2007, and forums were full of "Can my system run Crysis?
GeForce GTX 660 | by techPowerUp! (Sep, 2012)

Batman: Arkham City 1920x1200 - Extreme quality + FXAA-HIGH

Batman: Arkham City uses the same Unreal Engine by Epic as Batman: Arkham Asylum does, but, it has, thanks to the engine's modularity, been overhauled and outfitted with the latest technologies, including a graphics engine that takes advantage of DirectX 11.
GeForce GTX 660 | by techPowerUp! (Sep, 2012)

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

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

Reviews Word on the street

Radeon HD 6870  vs GeForce GTX 660 

9.2
9.0
Thanks to the higher clocks out of the box it has a 3% performance advantage over reference design HD 6870's which is decent but not spectacular.
Radeon HD 6870

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