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GeForce GTX 560 vs Radeon RX 460

Intro

The GeForce GTX 560 makes use of a 40 nm design. nVidia has clocked the core speed at 810 MHz. The GDDR5 memory is set to run at a frequency of 1001 MHz on this specific model. It features 336 SPUs as well as 56 Texture Address Units and 32 ROPs.

Compare those specs to the Radeon RX 460, which uses a 14 nm design. AMD has clocked the core speed at 1090 MHz. The GDDR5 RAM is set to run at a speed of 1750 MHz on this particular model. It features 896 SPUs along with 56 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 75 Watts
GeForce GTX 560 150 Watts
Difference: 75 Watts (100%)

Memory Bandwidth

Performance-wise, the GeForce GTX 560 should theoretically be a bit superior to the Radeon RX 460 overall. (explain)

GeForce GTX 560 128128 MB/sec
Radeon RX 460 112000 MB/sec
Difference: 16128 (14%)

Texel Rate

The Radeon RX 460 will be quite a bit (about 35%) better at AF than the GeForce GTX 560. (explain)

Radeon RX 460 61040 Mtexels/sec
GeForce GTX 560 45360 Mtexels/sec
Difference: 15680 (35%)

Pixel Rate

The GeForce GTX 560 will be a lot (more or less 49%) more effective at AA than the Radeon RX 460, and also will be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 560 25920 Mpixels/sec
Radeon RX 460 17440 Mpixels/sec
Difference: 8480 (49%)

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

GeForce GTX 560

Radeon RX 460

Specifications

Display Specifications

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Model GeForce GTX 560 Radeon RX 460
Manufacturer nVidia AMD
Year May 2011 August 2016
Code Name GF114 Polaris 11
Memory 1024 MB 4096 MB
Core Speed 810 MHz 1090 MHz
Memory Speed 4004 MHz 7000 MHz
Power (Max TDP) 150 watts 75 watts
Bandwidth 128128 MB/sec 112000 MB/sec
Texel Rate 45360 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 25920 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 336 896
Texture Mapping Units 56 56
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 14 nm
Transistors 1950 million 3000 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be transported 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 memory, 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This number 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

GeForce GTX 560

Radeon RX 460

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