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GeForce GTX 660 vs Geforce GTX 760

Intro

The GeForce GTX 660 features a clock speed of 980 MHz and a GDDR5 memory speed of 1502 MHz. It also features a 192-bit bus, and makes use of a 28 nm design. It is made up of 960 SPUs, 80 TAUs, and 24 Raster Operation Units.

Compare those specifications to the Geforce GTX 760, which makes use of a 28 nm design. nVidia has clocked the core speed at 980 MHz. The GDDR5 memory is set to run at a speed of 1502 MHz on this particular card. It features 1152 SPUs as well as 96 TAUs and 32 Rasterization Operator Units.

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

As far as performance goes, the Geforce GTX 760 should in theory be much better 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 should be a little bit (approximately 20%) more effective at texture filtering than the GeForce GTX 660. (explain)

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

Pixel Rate

The Geforce GTX 760 is a lot (more or less 33%) faster with regards to AA than the GeForce GTX 660, and capable of handling higher resolutions better. (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: Bandwidth is the max amount of information (in units of megabytes per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential 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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