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Geforce GTX 680 vs Geforce GTX 760

Intro

The Geforce GTX 680 features a GPU clock speed of 1006 MHz, and the 2048 MB of GDDR5 memory runs at 1502 MHz through a 256-bit bus. It also is comprised of 1536 SPUs, 128 TAUs, and 32 ROPs.

Compare those specs to the Geforce GTX 760, which comes with GPU core speed of 980 MHz, and 2048 MB of GDDR5 RAM set to run at 1502 MHz through a 256-bit bus. It also is made up of 1152 Stream Processors, 96 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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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 the exact same bandwidth, so theoretically they should perform the same. (explain)

Texel Rate

The Geforce GTX 680 will be quite a bit (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

If using a high screen resolution is important to you, then the Geforce GTX 680 is the winner, though only just barely. (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

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 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 maximum amount of data (measured in megabytes per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the card's clock speed. 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 quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Comments

3 Responses to “Geforce GTX 680 vs Geforce GTX 760”
biudsfrd says:

but thats not right, the new 760 has 1006+ mhz core speed, mofos

armin2100 says:

why nvidia 680 gtx is better?

ineedspeed says:

760's core clock is 980 mhz. This is correct. Only non reference models have more than 980.

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