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Geforce GTX 760 vs Geforce GTX 770

Intro

The Geforce GTX 760 features a GPU clock speed of 980 MHz, and the 2048 MB of GDDR5 memory is set to run at 1502 MHz through a 256-bit bus. It also features 1152 Stream Processors, 96 TAUs, and 32 Raster Operation Units.

Compare those specs to the Geforce GTX 770, which comes with a GPU core clock speed of 1046 MHz, and 2048 MB of GDDR5 memory running at 1753 MHz through a 256-bit bus. It also is comprised of 1536 SPUs, 128 Texture Address Units, 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

The Geforce GTX 770, in theory, should perform a little bit faster than the Geforce GTX 760 overall. (explain)

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

Texel Rate

The Geforce GTX 770 should be quite a bit (about 42%) more effective at AF 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 lots of anti-aliasing is important to you, then the Geforce GTX 770 is the winner, though not by far. (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 maximum amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output 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 potential to get to the maximum fill rate.

Comments

2 Responses to “Geforce GTX 760 vs Geforce GTX 770”
KLhawar Zaman says:
thanks so much for this information.....
Viking2121 says:
Wow, the GTX770 almost isn't worth the extra price.

Both my GTX760's is currently at 1,294mhz core and 1732mhz mem (6928mhz effective). Though my primay 760 will do 1840mhz (Elpida) (7360mhz effective).

770 has more cuda cores. Really the price to performance just isn't there, same with power. Kinda glad I didn't buy the 770.

The 760 vs 770 isn;'t really worth it, but the 770 vs 780, its bigger jump, so it looks a bit more appealing.

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