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GeForce GTX 590 vs Geforce GTX 770

Intro

The GeForce GTX 590 uses a 40 nm design. nVidia has set the core speed at 607 MHz. The GDDR5 memory runs at a speed of 855 MHz on this specific model. It features 512 SPUs along with 64 Texture Address Units and 48 Rasterization Operator Units.

Compare all of that to the Geforce GTX 770, which features a core clock frequency of 1046 MHz and a GDDR5 memory frequency of 1753 MHz. It also makes use of a 256-bit bus, and makes use of a 28 nm design. It features 1536 SPUs, 128 Texture Address Units, and 32 ROPs.

Display Graphs

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(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, because of its higher data rate. (explain)

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

Texel Rate

The Geforce GTX 770 is a lot (about 72%) more effective at 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

The GeForce GTX 590 is a lot (about 74%) better at FSAA than the Geforce GTX 770, and will be capable of handling 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

Display Prices

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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

Display Specifications

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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 3420 MHz (x2) 7012 MHz
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 largest amount of data (in units of MB per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

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