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GeForce GTX 460 (OEM) vs Radeon R9 270X

Intro

The GeForce GTX 460 (OEM) features a clock frequency of 650 MHz and a GDDR5 memory frequency of 850 MHz. It also makes use of a 256-bit bus, and makes use of a 40 nm design. It is comprised of 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

Compare that to the Radeon R9 270X, which uses a 28 nm design. AMD has clocked the core frequency at 1000 MHz. The GDDR5 memory works at a frequency of 1400 MHz on this particular model. It features 1280 SPUs as well as 80 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 (OEM) 150 Watts
Radeon R9 270X 180 Watts
Difference: 30 Watts (20%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 270X is 65% faster than the GeForce GTX 460 (OEM) overall, due to its higher bandwidth. (explain)

Radeon R9 270X 179200 MB/sec
GeForce GTX 460 (OEM) 108800 MB/sec
Difference: 70400 (65%)

Texel Rate

The Radeon R9 270X should be a lot (approximately 120%) better at texture filtering than the GeForce GTX 460 (OEM). (explain)

Radeon R9 270X 80000 Mtexels/sec
GeForce GTX 460 (OEM) 36400 Mtexels/sec
Difference: 43600 (120%)

Pixel Rate

The Radeon R9 270X should be quite a bit (approximately 54%) faster with regards to FSAA than the GeForce GTX 460 (OEM), and also should be able to handle higher screen resolutions while still performing well. (explain)

Radeon R9 270X 32000 Mpixels/sec
GeForce GTX 460 (OEM) 20800 Mpixels/sec
Difference: 11200 (54%)

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.

Price Comparison

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GeForce GTX 460 (OEM)

Amazon.com

Check prices at:

Radeon R9 270X

Amazon.com

Check prices at:

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 460 (OEM) Radeon R9 270X
Manufacturer nVidia AMD
Year October 2010 October 2013
Code Name GF104 Curacao XT
Memory 1024 MB 2048 MB
Core Speed 650 MHz 1000 MHz
Memory Speed 3400 MHz 5600 MHz
Power (Max TDP) 150 watts 180 watts
Bandwidth 108800 MB/sec 179200 MB/sec
Texel Rate 36400 Mtexels/sec 80000 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 32000 Mpixels/sec
Unified Shaders 336 1280
Texture Mapping Units 56 80
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 1950 million 2800 million
Bus PCIe 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 largest amount of information (counted in MB per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number 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 applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also 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 bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 (OEM)

Amazon.com

Check prices at:

Radeon R9 270X

Amazon.com

Check prices at:

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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