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GeForce GTX 260 vs Radeon RX 460

Intro

The GeForce GTX 260 features a core clock frequency of 576 MHz and a GDDR3 memory speed of 999 MHz. It also features a 448-bit memory bus, and uses a 65 nm design. It is made up of 192 SPUs, 64 Texture Address Units, and 28 ROPs.

Compare those specs to the Radeon RX 460, which comes with a clock speed of 1090 MHz and a GDDR5 memory frequency of 1750 MHz. It also features a 128-bit memory bus, and makes use of a 14 nm design. It features 896 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 75 Watts
GeForce GTX 260 182 Watts
Difference: 107 Watts (143%)

Memory Bandwidth

The Radeon RX 460 should in theory be a small bit faster than the GeForce GTX 260 in general. (explain)

Radeon RX 460 112000 MB/sec
GeForce GTX 260 111888 MB/sec
Difference: 112 (0%)

Texel Rate

The Radeon RX 460 will be much (about 66%) more effective at texture filtering than the GeForce GTX 260. (explain)

Radeon RX 460 61040 Mtexels/sec
GeForce GTX 260 36864 Mtexels/sec
Difference: 24176 (66%)

Pixel Rate

The Radeon RX 460 will be a little bit (approximately 8%) more effective at AA than the GeForce GTX 260, and should be capable of handling higher resolutions while still performing well. (explain)

Radeon RX 460 17440 Mpixels/sec
GeForce GTX 260 16128 Mpixels/sec
Difference: 1312 (8%)

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 260

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 260 Radeon RX 460
Manufacturer nVidia AMD
Year June 16, 2008 August 2016
Code Name G200 Polaris 11
Memory 896 MB 4096 MB
Core Speed 576 MHz 1090 MHz
Memory Speed 1998 MHz 7000 MHz
Power (Max TDP) 182 watts 75 watts
Bandwidth 111888 MB/sec 112000 MB/sec
Texel Rate 36864 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 192 896
Texture Mapping Units 64 56
Render Output Units 28 16
Bus Type GDDR3 GDDR5
Bus Width 448-bit 128-bit
Fab Process 65 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 maximum amount of data (counted in MB per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 number of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core 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 quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

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