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GeForce GTX 550 Ti vs Radeon RX 460

Intro

The GeForce GTX 550 Ti makes use of a 40 nm design. nVidia has set the core frequency at 900 MHz. The GDDR5 RAM runs at a frequency of 1026 MHz on this particular card. It features 192 SPUs as well as 32 TAUs and 24 ROPs.

Compare 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 comprised of 896 Stream Processors, 56 TAUs, 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 550 Ti 116 Watts
Difference: 41 Watts (55%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 460 should be 14% faster than the GeForce GTX 550 Ti in general, due to its higher data rate. (explain)

Radeon RX 460 112000 MB/sec
GeForce GTX 550 Ti 98496 MB/sec
Difference: 13504 (14%)

Texel Rate

The Radeon RX 460 is much (about 112%) faster with regards to anisotropic filtering than the GeForce GTX 550 Ti. (explain)

Radeon RX 460 61040 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 32240 (112%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 550 Ti is a better choice, by a large margin. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
Radeon RX 460 17440 Mpixels/sec
Difference: 4160 (24%)

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 550 Ti

Radeon RX 460

Specifications

Display Specifications

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Model GeForce GTX 550 Ti Radeon RX 460
Manufacturer nVidia AMD
Year March 2011 August 2016
Code Name GF116 Polaris 11
Memory 1024 MB 4096 MB
Core Speed 900 MHz 1090 MHz
Memory Speed 4104 MHz 7000 MHz
Power (Max TDP) 116 watts 75 watts
Bandwidth 98496 MB/sec 112000 MB/sec
Texel Rate 28800 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 192 896
Texture Mapping Units 32 56
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 14 nm
Transistors 1170 million 3000 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the 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 texture map elements (texels) that can be applied per second. This is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. 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 lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

GeForce GTX 550 Ti

Radeon RX 460

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