GPUBoss Review Our evaluation of 770 vs 660


Real world tests using the latest 3D games

crysis: warhead (2013), battlefield 3 (2013) and Far Cry 3


Synthetic tests to measure overall performance

Passmark and 3DMark Vantage Texture Fill

Compute Performance

General computing tests executed on the GPU

Civilization 5 Texture Decomposition (2013) and Passmark Direct Compute

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

No winner declared

Too close to call

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Differences What are the advantages of each

Front view of GeForce GTX 770

Reasons to consider the
Nvidia GeForce GTX 770

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Better 3DMark vantage texture fill score 109.5 vs 65.3 Around 70% better 3DMark vantage texture fill score
Better passmark score 6,148 vs 4,119 Around 50% better passmark score
Higher clock speed 1,046 MHz vs 980 MHz More than 5% higher clock speed
Higher memory bandwidth 224 GB/s vs 144.2 GB/s More than 55% higher memory bandwidth
Better floating-point performance 3,213 GFLOPS vs 1,882 GFLOPS More than 70% better floating-point performance
Higher effective memory clock speed 7,012 MHz vs 6,008 MHz More than 15% higher effective memory clock speed
Higher texture rate 134 GTexel/s vs 78.4 GTexel/s More than 70% higher texture rate
Higher pixel rate 33.5 GPixel/s vs 19.6 GPixel/s More than 70% higher pixel rate
Much better civilization 5 texture decomposition (2013) score 395 vs 288.9 More than 35% better civilization 5 texture decomposition (2013) score
Significantly quieter idle noise level 38.2 dB vs 40.8 dB More than 5% quieter idle noise level
More energy-efficient load power consumption 246W vs 296W More than 15% more energy-efficient load power consumption
Significantly higher far cry 3 framerate 50.4 fps vs 32 fps More than 55% higher far cry 3 framerate
Significantly higher battlefield 3 framerate 126.2 fps vs 82.5 fps Around 55% higher battlefield 3 framerate
More texture mapping units 128 vs 80 48 more texture mapping units
More shading units 1,536 vs 960 576 more shading units
Higher crysis: warhead framerate 57 fps vs 39.6 fps Around 45% higher crysis: warhead framerate
Higher memory clock speed 1,753 MHz vs 1,502 MHz More than 15% higher memory clock speed
Better passmark direct compute score 3,012 vs 1,902 Around 60% better passmark direct compute score
Higher turbo clock speed 1,085 MHz vs 1,032 MHz More than 5% higher turbo clock speed
More render output processors 32 vs 24 8 more render output processors
Wider memory bus 256 bit vs 192 bit Around 35% wider memory bus
More SMX units 8 vs 5 3 more SMX units
Front view of GeForce GTX 660

Reasons to consider the
Nvidia GeForce GTX 660

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Lower TDP 140W vs 230W Around 40% lower TDP

Benchmarks Real world tests of GeForce GTX 770 vs 660

Passmark Industry standard benchmark for overall graphics card performance

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

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

Far Cry 3 1920 x 1080 - Ultra Quality + 4x MSAA + Enh. AtoC

Battlefield 3 (2013) 1920x1080 - Ultra quality + FXAA-HIGH

GeForce GTX 770
126.2 fps
GeForce GTX 660
82.5 fps

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

Reviews Word on the street

GeForce GTX 770  vs 660 

The GTX 770 WindForce OC is no different, but the improvement over the reference design cooler is, nevertheless, not that big because NVIDIA's cooler is already quite good.
GeForce GTX 770


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