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GeForce GTX 590 vs Geforce GTX 770

Intro

The GeForce GTX 590 comes with a GPU clock speed of 607 MHz, and the 1536 MB of GDDR5 RAM runs at 855 MHz through a 384-bit bus. It also features 512 Stream Processors, 64 Texture Address Units, and 48 ROPs.

Compare all that to the Geforce GTX 770, which has core clock speeds of 1046 MHz on the GPU, and 1753 MHz on the 2048 MB of GDDR5 memory. It features 1536 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

(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

As far as performance goes, the GeForce GTX 590 should in theory be a lot better 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 should be a lot (about 72%) more effective at AF 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 also should be capable of handling higher screen 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

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

GeForce GTX 590

Amazon.com

Other US-based stores

Geforce GTX 770

Amazon.com

Other US-based stores

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: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better 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 applied per second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). 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 ability to get to the maximum fill rate.

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