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GeForce GTX 590 vs Geforce GTX 770

Intro

The GeForce GTX 590 uses a 40 nm design. nVidia has clocked the core speed at 607 MHz. The GDDR5 RAM is set to run at a frequency of 855 MHz on this particular card. It features 512 SPUs as well as 64 Texture Address Units and 48 ROPs.

Compare those specs to the Geforce GTX 770, which comes with a core clock speed of 1046 MHz and a GDDR5 memory frequency of 1753 MHz. It also features a 256-bit bus, and uses a 28 nm design. It is made up of 1536 SPUs, 128 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 770 230 Watts
GeForce GTX 590 365 Watts
Difference: 135 Watts (59%)

Memory Bandwidth

The GeForce GTX 590 should in theory perform quite a bit faster than the Geforce GTX 770 overall. (explain)

GeForce GTX 590 328320 MB/sec
Geforce GTX 770 224384 MB/sec
Difference: 103936 (46%)

Texel Rate

The Geforce GTX 770 will be much (approximately 72%) more effective at texture filtering than the GeForce GTX 590. (explain)

Geforce GTX 770 133888 Mtexels/sec
GeForce GTX 590 77696 Mtexels/sec
Difference: 56192 (72%)

Pixel Rate

The GeForce GTX 590 is quite a bit (approximately 74%) faster with regards to anti-aliasing than the Geforce GTX 770, and will be able to handle higher resolutions better. (explain)

GeForce GTX 590 58272 Mpixels/sec
Geforce GTX 770 33472 Mpixels/sec
Difference: 24800 (74%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 590

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

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Model GeForce GTX 590 Geforce GTX 770
Manufacturer nVidia nVidia
Year March 2011 May 2013
Code Name GF110 GK104
Memory 1536 MB (x2) 2048 MB
Core Speed 607 MHz (x2) 1046 MHz
Memory Speed 3420 MHz (x2) 7012 MHz
Power (Max TDP) 365 watts 230 watts
Bandwidth 328320 MB/sec 224384 MB/sec
Texel Rate 77696 Mtexels/sec 133888 Mtexels/sec
Pixel Rate 58272 Mpixels/sec 33472 Mpixels/sec
Unified Shaders 512 (x2) 1536
Texture Mapping Units 64 (x2) 128
Render Output Units 48 (x2) 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit (x2) 256-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 3540 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better 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 texture map elements (texels) that are processed per second. This is worked out by multiplying the total texture units 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 maximum amount of pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

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