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GeForce GTX 460 vs Radeon R9 M270X

Intro

The GeForce GTX 460 features a GPU clock speed of 675 MHz, and the 768 MB of GDDR5 RAM runs at 900 MHz through a 192-bit bus. It also features 336 Stream Processors, 56 TAUs, and 24 Raster Operation Units.

Compare those specifications to the Radeon R9 M270X, which uses a 28 nm design. AMD has set the core frequency at 725 MHz. The GDDR5 memory works at a speed of 1125 MHz on this particular card. It features 640 SPUs along with 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 is 20% quicker than the Radeon R9 M270X in general, because of its greater data rate. (explain)

GeForce GTX 460 86400 MB/sec
Radeon R9 M270X 72000 MB/sec
Difference: 14400 (20%)

Texel Rate

The GeForce GTX 460 is much (about 30%) more effective at texture filtering than the Radeon R9 M270X. (explain)

GeForce GTX 460 37800 Mtexels/sec
Radeon R9 M270X 29000 Mtexels/sec
Difference: 8800 (30%)

Pixel Rate

The GeForce GTX 460 will be a lot (approximately 40%) more effective at FSAA than the Radeon R9 M270X, and also should be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 460 16200 Mpixels/sec
Radeon R9 M270X 11600 Mpixels/sec
Difference: 4600 (40%)

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

Amazon.com

Check prices at:

Radeon R9 M270X

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 Radeon R9 M270X
Manufacturer nVidia AMD
Year July 2010 May 1 2014
Code Name GF104 Venus XT
Memory 768 MB 2048 MB
Core Speed 675 MHz 725 MHz
Memory Speed 3600 MHz 4500 MHz
Power (Max TDP) 150 watts (Unknown) watts
Bandwidth 86400 MB/sec 72000 MB/sec
Texel Rate 37800 Mtexels/sec 29000 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 336 640
Texture Mapping Units 56 40
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1950 million (Unknown) 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 maximum amount of information (measured in MB per second) that can be transferred across the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster 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 per second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that 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 clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460

Amazon.com

Check prices at:

Radeon R9 M270X

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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