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GeForce GTX 275 vs Radeon RX 460


Intro

The GeForce GTX 275 comes with a core clock frequency of 633 MHz and a GDDR3 memory frequency of 1134 MHz. It also uses a 448-bit bus, and makes use of a 55 nm design. It is comprised of 240 SPUs, 80 TAUs, and 28 Raster Operation Units.

Compare those specifications to the Radeon RX 460, which comes with core clock speeds of 1090 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 memory. It features 896 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 75 Watts
GeForce GTX 275 219 Watts
Difference: 144 Watts (192%)

Memory Bandwidth

The GeForce GTX 275 should theoretically perform just a bit faster than the Radeon RX 460 in general. (explain)

GeForce GTX 275 127008 MB/sec
Radeon RX 460 112000 MB/sec
Difference: 15008 (13%)

Texel Rate

The Radeon RX 460 will be a lot (more or less 21%) faster with regards to anisotropic filtering than the GeForce GTX 275. (explain)

Radeon RX 460 61040 Mtexels/sec
GeForce GTX 275 50640 Mtexels/sec
Difference: 10400 (21%)

Pixel Rate

The GeForce GTX 275 will be just a bit (more or less 2%) faster with regards to anti-aliasing than the Radeon RX 460, and should be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 275 17724 Mpixels/sec
Radeon RX 460 17440 Mpixels/sec
Difference: 284 (2%)

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

Display Prices

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GeForce GTX 275

Amazon.com

Radeon RX 460

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 275 Radeon RX 460
Manufacturer nVidia AMD
Year April 9, 2009 August 2016
Code Name G200b Polaris 11
Memory 896 MB 4096 MB
Core Speed 633 MHz 1090 MHz
Memory Speed 2268 MHz 7000 MHz
Power (Max TDP) 219 watts 75 watts
Bandwidth 127008 MB/sec 112000 MB/sec
Texel Rate 50640 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 240 896
Texture Mapping Units 80 56
Render Output Units 28 16
Bus Type GDDR3 GDDR5
Bus Width 448-bit 128-bit
Fab Process 55 nm 14 nm
Transistors 1400 million 3000 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.1 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 figure is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core speed of the card. 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 rate also depends on quite a few 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

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GeForce GTX 275

Amazon.com

Radeon RX 460

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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