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GeForce GTX 590 vs Radeon R9 270X

Intro

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

Compare those specs to the Radeon R9 270X, which makes use of a 28 nm design. AMD has clocked the core frequency at 1000 MHz. The GDDR5 memory is set to run at a frequency of 1400 MHz on this specific model. It features 1280 SPUs along with 80 Texture Address Units and 32 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 590 6680 points
Radeon R9 270X 6590 points
Difference: 90 (1%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 270X 180 Watts
GeForce GTX 590 365 Watts
Difference: 185 Watts (103%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 590 should perform a lot faster than the Radeon R9 270X overall. (explain)

GeForce GTX 590 328320 MB/sec
Radeon R9 270X 179200 MB/sec
Difference: 149120 (83%)

Texel Rate

The Radeon R9 270X is a bit (more or less 3%) better at AF than the GeForce GTX 590. (explain)

Radeon R9 270X 80000 Mtexels/sec
GeForce GTX 590 77696 Mtexels/sec
Difference: 2304 (3%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 590 is superior to the Radeon R9 270X, by far. (explain)

GeForce GTX 590 58272 Mpixels/sec
Radeon R9 270X 32000 Mpixels/sec
Difference: 26272 (82%)

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

Radeon R9 270X

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 Radeon R9 270X
Manufacturer nVidia AMD
Year March 2011 October 2013
Code Name GF110 Curacao XT
Memory 1536 MB (x2) 2048 MB
Core Speed 607 MHz (x2) 1000 MHz
Memory Speed 3420 MHz (x2) 5600 MHz
Power (Max TDP) 365 watts 180 watts
Bandwidth 328320 MB/sec 179200 MB/sec
Texel Rate 77696 Mtexels/sec 80000 Mtexels/sec
Pixel Rate 58272 Mpixels/sec 32000 Mpixels/sec
Unified Shaders 512 (x2) 1280
Texture Mapping Units 64 (x2) 80
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 2800 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 590

Amazon.com

Radeon R9 270X

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.

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