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GeForce GTX 275 vs Radeon RX 460

Intro

The GeForce GTX 275 has a clock speed of 633 MHz and a GDDR3 memory speed of 1134 MHz. It also makes use of a 448-bit memory bus, and makes use of a 55 nm design. It is made up of 240 SPUs, 80 Texture Address Units, and 28 ROPs.

Compare all of that to the Radeon RX 460, which comes with GPU clock speed of 1090 MHz, and 4096 MB of GDDR5 RAM running at 1750 MHz through a 128-bit bus. It also is comprised of 896 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

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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

Performance-wise, the GeForce GTX 275 should in theory be just a bit better 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 should be much (approximately 21%) faster with regards to AF than the GeForce GTX 275. (explain)

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

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 275 is superior to the Radeon RX 460, though only just barely. (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

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GeForce GTX 275

Amazon.com

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Radeon RX 460

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 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 MB per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total number of texture units of the card by the core 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 275

Amazon.com

Check prices at:

Radeon RX 460

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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