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GeForce GTX 590 vs Geforce GTX 770

Intro

The GeForce GTX 590 comes with a GPU core clock speed of 607 MHz, and the 1536 MB of GDDR5 memory runs at 855 MHz through a 384-bit bus. It also is made up of 512 SPUs, 64 Texture Address Units, and 48 Raster Operation Units.

Compare those specs to the Geforce GTX 770, which comes with core speeds of 1046 MHz on the GPU, and 1753 MHz on the 2048 MB of GDDR5 memory. It features 1536 SPUs as well as 128 TAUs and 32 ROPs.

(No game benchmarks for this combination yet.)

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

In theory, the GeForce GTX 590 will be 46% quicker than the Geforce GTX 770 in general, due to its higher bandwidth. (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%) faster with regards to anisotropic filtering than the GeForce GTX 590. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 590 is superior to the Geforce GTX 770, by far. (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

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

Model GeForce GTX 590 Geforce GTX 770
Manufacturer nVidia nVidia
Year March 2011 May 2013
Code Name GF110 GK104
Fab Process 40 nm 28 nm
Bus PCIe 2.0 x16 PCIe 3.0 x16
Memory 1536 MB (x2) 2048 MB
Core Speed 607 MHz (x2) 1046 MHz
Shader Speed 1215 MHz (x2) 1046 MHz
Memory Speed 855 MHz (3420 MHz effective) (x2) 1753 MHz (7012 MHz effective)
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
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3
Power (Max TDP) 365 watts 230 watts
Shader Model 5.0 5.0
Bandwidth 328320 MB/sec 224384 MB/sec
Texel Rate 77696 Mtexels/sec 133888 Mtexels/sec
Pixel Rate 58272 Mpixels/sec 33472 Mpixels/sec

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

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