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Geforce GTX 680 vs Geforce GTX 760

Intro

The Geforce GTX 680 has a GPU core clock speed of 1006 MHz, and the 2048 MB of GDDR5 RAM runs at 1502 MHz through a 256-bit bus. It also is made up of 1536 Stream Processors, 128 Texture Address Units, and 32 ROPs.

Compare those specifications to the Geforce GTX 760, which features GPU core speed of 980 MHz, and 2048 MB of GDDR5 memory set to run at 1502 MHz through a 256-bit bus. It also is comprised of 1152 SPUs, 96 Texture Address Units, and 32 Raster Operation 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 memory bandwidth, so in theory they should have identical performance. (explain)

Texel Rate

The Geforce GTX 680 should be much (more or less 37%) better at anisotropic filtering 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 bit (about 3%) more effective at FSAA than the Geforce GTX 760, and will be able to handle higher resolutions without losing too much performance. (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: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be transported past the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs 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 rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

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