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Geforce GTX 760 vs Geforce GTX 770

Intro

The Geforce GTX 760 comes with a clock speed of 980 MHz and a GDDR5 memory frequency of 1502 MHz. It also uses a 256-bit bus, and makes use of a 28 nm design. It features 1152 SPUs, 96 Texture Address Units, and 32 ROPs.

Compare those specs to the Geforce GTX 770, which comes with a clock speed of 1046 MHz and a GDDR5 memory frequency of 1753 MHz. It also features a 256-bit memory bus, and makes use of a 28 nm design. It features 1536 SPUs, 128 TAUs, and 32 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 760 170 Watts
Geforce GTX 770 230 Watts
Difference: 60 Watts (35%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 770 should be 17% faster than the Geforce GTX 760 in general, because of its higher bandwidth. (explain)

Geforce GTX 770 224384 MB/sec
Geforce GTX 760 192256 MB/sec
Difference: 32128 (17%)

Texel Rate

The Geforce GTX 770 will be much (approximately 42%) more effective at texture filtering than the Geforce GTX 760. (explain)

Geforce GTX 770 133888 Mtexels/sec
Geforce GTX 760 94080 Mtexels/sec
Difference: 39808 (42%)

Pixel Rate

If using a high resolution is important to you, then the Geforce GTX 770 is the winner, but only just. (explain)

Geforce GTX 770 33472 Mpixels/sec
Geforce GTX 760 31360 Mpixels/sec
Difference: 2112 (7%)

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 760

Amazon.com

Geforce GTX 770

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 760 Geforce GTX 770
Manufacturer nVidia nVidia
Year June 2013 May 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 980 MHz 1046 MHz
Shader Speed 980 MHz 1046 MHz
Memory Speed 1502 MHz (6008 MHz effective) 1753 MHz (7012 MHz effective)
Unified Shaders 1152 1536
Texture Mapping Units 96 128
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 4.3 OpenGL 4.3
Power (Max TDP) 170 watts 230 watts
Shader Model 5.0 5.0
Bandwidth 192256 MB/sec 224384 MB/sec
Texel Rate 94080 Mtexels/sec 133888 Mtexels/sec
Pixel Rate 31360 Mpixels/sec 33472 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in MB per second) that can be transported across the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines 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 quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

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