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GeForce GTX 960 vs Radeon RX 460

Intro

The GeForce GTX 960 comes with a clock frequency of 1127 MHz and a GDDR5 memory frequency of 1750 MHz. It also uses a 128-bit bus, and makes use of a 28 nm design. It is made up of 1024 SPUs, 64 Texture Address Units, and 32 ROPs.

Compare all that to the Radeon RX 460, which comes with a GPU core clock speed of 1090 MHz, and 4096 MB of GDDR5 memory set to run at 1750 MHz through a 128-bit bus. It also is made up of 896 SPUs, 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 960 120 Watts
Difference: 45 Watts (60%)

Memory Bandwidth

Both cards have the exact same bandwidth, so theoretically they should have identical performance. (explain)

Texel Rate

The GeForce GTX 960 should be a small bit (more or less 18%) better at texture filtering than the Radeon RX 460. (explain)

GeForce GTX 960 72128 Mtexels/sec
Radeon RX 460 61040 Mtexels/sec
Difference: 11088 (18%)

Pixel Rate

The GeForce GTX 960 is quite a bit (approximately 107%) more effective at AA than the Radeon RX 460, and also able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 960 36064 Mpixels/sec
Radeon RX 460 17440 Mpixels/sec
Difference: 18624 (107%)

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 960

Radeon RX 460

Specifications

Display Specifications

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Model GeForce GTX 960 Radeon RX 460
Manufacturer nVidia AMD
Year January 2015 August 2016
Code Name GM206 Polaris 11
Memory 2048 MB 4096 MB
Core Speed 1127 MHz 1090 MHz
Memory Speed 7000 MHz 7000 MHz
Power (Max TDP) 120 watts 75 watts
Bandwidth 112000 MB/sec 112000 MB/sec
Texel Rate 72128 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 36064 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 1024 896
Texture Mapping Units 64 56
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 14 nm
Transistors 2940 million 3000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in MB per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the bus width by its memory speed. If the card has DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

GeForce GTX 960

Radeon RX 460

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