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Geforce GTX 680 vs Geforce GTX 760

Intro

The Geforce GTX 680 has a GPU core 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 Raster Operation Units.

Compare that to the Geforce GTX 760, which has a GPU core clock speed of 980 MHz, and 2048 MB of GDDR5 RAM running at 1502 MHz through a 256-bit bus. It also features 1152 Stream Processors, 96 TAUs, and 32 Raster Operation Units.

(No game benchmarks for this combination yet.)

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 memory bandwidth, so in theory they should perform the same. (explain)

Texel Rate

The Geforce GTX 680 should be a lot (about 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

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

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

Model Geforce GTX 680 Geforce GTX 760
Manufacturer nVidia nVidia
Year March 2012 June 2013
Code Name GK104 GK104
Fab Process 28 nm 28 nm
Bus PCIe 3.0 x16 PCIe 3.0 x16
Memory 2048 MB 2048 MB
Core Speed 1006 MHz 980 MHz
Shader Speed 1006 MHz 980 MHz
Memory Speed 1502 MHz (6008 MHz effective) 1502 MHz (6008 MHz effective)
Unified Shaders 1536 1152
Texture Mapping Units 128 96
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
DirectX Version DirectX 11.0 DirectX 11.0
OpenGL Version OpenGL 4.2 OpenGL 4.3
Power (Max TDP) 195 watts 170 watts
Shader Model 5.0 5.0
Bandwidth 192256 MB/sec 192256 MB/sec
Texel Rate 128768 Mtexels/sec 94080 Mtexels/sec
Pixel Rate 32192 Mpixels/sec 31360 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once 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 anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at 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 the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Comments

2 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?

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