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GeForce GTX 660 vs Geforce GTX 760

Intro

The GeForce GTX 660 uses a 28 nm design. nVidia has clocked the core frequency at 980 MHz. The GDDR5 memory works at a speed of 1502 MHz on this particular model. It features 960 SPUs as well as 80 TAUs and 24 Rasterization Operator Units.

Compare those specs to the Geforce GTX 760, which features a core clock speed of 980 MHz and a GDDR5 memory speed of 1502 MHz. It also uses a 256-bit memory bus, and uses a 28 nm design. It is comprised of 1152 SPUs, 96 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 140 Watts
Geforce GTX 760 170 Watts
Difference: 30 Watts (21%)

Memory Bandwidth

The Geforce GTX 760, in theory, should be much faster than the GeForce GTX 660 in general. (explain)

Geforce GTX 760 192256 MB/sec
GeForce GTX 660 144192 MB/sec
Difference: 48064 (33%)

Texel Rate

The Geforce GTX 760 is a little bit (about 20%) more effective at AF than the GeForce GTX 660. (explain)

Geforce GTX 760 94080 Mtexels/sec
GeForce GTX 660 78400 Mtexels/sec
Difference: 15680 (20%)

Pixel Rate

If running with a high resolution is important to you, then the Geforce GTX 760 is a better choice, by a large margin. (explain)

Geforce GTX 760 31360 Mpixels/sec
GeForce GTX 660 23520 Mpixels/sec
Difference: 7840 (33%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 660

Amazon.com

Geforce GTX 760

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 660 Geforce GTX 760
Manufacturer nVidia nVidia
Year September 2012 June 2013
Code Name GK106 GK104
Memory 2048 MB 2048 MB
Core Speed 980 MHz 980 MHz
Memory Speed 6008 MHz 6008 MHz
Power (Max TDP) 140 watts 170 watts
Bandwidth 144192 MB/sec 192256 MB/sec
Texel Rate 78400 Mtexels/sec 94080 Mtexels/sec
Pixel Rate 23520 Mpixels/sec 31360 Mpixels/sec
Unified Shaders 960 1152
Texture Mapping Units 80 96
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 2540 million 3540 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.0
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Comments

8 Responses to “GeForce GTX 660 vs Geforce GTX 760”
Schaumstoff says:

The gtx 760 is a lot more expensive but I think it is worth it.

Dat guy says:

At current UK prices the 760 is around 30 pounds more expensive than the 660 and I'd be happy to spend that much for the performance gain.

Jessy says:

I shouldv'e gotten this 760. But at the time, I just needed a new GPU when mine was a 610... -_- But I do intend to get a new one soon so we'll see. :)

Raj says:

Anybody thinking that 760 will give a performance edge enough to justify the price difference certainly does not knows anything about Graphic Cards

@Raj says:

I think that you don't know anything about graphics cards

KHAWAR ZAMAN says:

192bit can not run more games in 1080p setting. lol

Deus says:

Khawar, you're wrong, the bitrate doesn't influence the resolution as much as the available memory on the card. IE. 192bit 3GB card will render 1080 fine, a 265 1GB card will struggle(example only).

damian says:

i have a gtx 760 a i3 3220 and 6 gb of ram and i can run bf4 maxed

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