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GeForce GTX 550 Ti vs Radeon RX 460

Intro

The GeForce GTX 550 Ti has a core clock frequency of 900 MHz and a GDDR5 memory frequency of 1026 MHz. It also features a 192-bit bus, and makes use of a 40 nm design. It features 192 SPUs, 32 Texture Address Units, and 24 ROPs.

Compare all of that to the Radeon RX 460, which features GPU clock speed of 1090 MHz, and 4096 MB of GDDR5 memory running at 1750 MHz through a 128-bit bus. It also is made up of 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 550 Ti 116 Watts
Difference: 41 Watts (55%)

Memory Bandwidth

In theory, the Radeon RX 460 should be a small bit faster than the GeForce GTX 550 Ti overall. (explain)

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

Texel Rate

The Radeon RX 460 is quite a bit (approximately 112%) more effective at AF 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

The GeForce GTX 550 Ti will be quite a bit (about 24%) faster with regards to AA than the Radeon RX 460, and also will be able to handle higher screen resolutions without slowing down too much. (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

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GeForce GTX 550 Ti

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 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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the 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 the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

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