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Geforce GTX 680 vs Geforce GTX 760

Intro

The Geforce GTX 680 comes with a core clock frequency of 1006 MHz and a GDDR5 memory speed of 1502 MHz. It also features a 256-bit bus, and makes use of a 28 nm design. It is comprised of 1536 SPUs, 128 TAUs, and 32 ROPs.

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

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Geforce GTX 680		7650 points
Geforce GTX 760		5923 points
	Difference: 1727 (29%)

Ethereum Mining Hash Rate

Geforce GTX 680		16 Mh/s
Geforce GTX 760		13 Mh/s
	Difference: 3 (23%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 760		170 Watts
Geforce GTX 680		195 Watts
	Difference: 25 Watts (15%)

Memory Bandwidth

Both cards have exactly the same bandwidth, so in theory they should perform the same. (explain)

Texel Rate

The Geforce GTX 680 will be a lot (about 37%) better at AF than the Geforce GTX 760. (explain)

Geforce GTX 680		128768 Mtexels/sec
Geforce GTX 760		94080 Mtexels/sec
	Difference: 34688 (37%)

Pixel Rate

The Geforce GTX 680 is a little bit (more or less 3%) more effective at anti-aliasing than the Geforce GTX 760, and will be able to handle higher screen resolutions without slowing down too much. (explain)

Geforce GTX 680		32192 Mpixels/sec
Geforce GTX 760		31360 Mpixels/sec
	Difference: 832 (3%)

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 680

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Geforce GTX 760

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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 680	Geforce GTX 760
Manufacturer	nVidia	nVidia
Year	March 2012	June 2013
Code Name	GK104	GK104
Memory	2048 MB	2048 MB
Core Speed	1006 MHz	980 MHz
Memory Speed	6008 MHz	6008 MHz
Power (Max TDP)	195 watts	170 watts
Bandwidth	192256 MB/sec	192256 MB/sec
Texel Rate	128768 Mtexels/sec	94080 Mtexels/sec
Pixel Rate	32192 Mpixels/sec	31360 Mpixels/sec
Unified Shaders	1536	1152
Texture Mapping Units	128	96
Render Output Units	32	32
Bus Type	GDDR5	GDDR5
Bus Width	256-bit	256-bit
Fab Process	28 nm	28 nm
Transistors	3540 million	3540 million
Bus	PCIe 3.0 x16	PCIe 3.0 x16
DirectX Version	DirectX 11.0	DirectX 11.0
OpenGL Version	OpenGL 4.2	OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better 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 a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

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