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GeForce GTX 460 1GB vs Radeon RX 550

Intro

The GeForce GTX 460 1GB features core clock speeds of 675 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 memory. It features 336 SPUs as well as 56 TAUs and 32 Rasterization Operator Units.

Compare those specs to the Radeon RX 550, which features a core clock speed of 1100 MHz and a GDDR5 memory frequency of 1750 MHz. It also uses a 128-bit bus, and uses a 14 nm design. It is made up of 512 SPUs, 32 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550		50 Watts
GeForce GTX 460 1GB		160 Watts
	Difference: 110 Watts (220%)

Memory Bandwidth

Performance-wise, the GeForce GTX 460 1GB should theoretically be a little bit better than the Radeon RX 550 overall. (explain)

GeForce GTX 460 1GB		115200 MB/sec
Radeon RX 550		114688 MB/sec
	Difference: 512 (0%)

Texel Rate

The GeForce GTX 460 1GB should be a little bit (more or less 7%) faster with regards to anisotropic filtering than the Radeon RX 550. (explain)

GeForce GTX 460 1GB		37800 Mtexels/sec
Radeon RX 550		35200 Mtexels/sec
	Difference: 2600 (7%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 460 1GB is superior to the Radeon RX 550, and very much so. (explain)

GeForce GTX 460 1GB		21600 Mpixels/sec
Radeon RX 550		17600 Mpixels/sec
	Difference: 4000 (23%)

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 460 1GB

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Radeon RX 550

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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 460 1GB	Radeon RX 550
Manufacturer	nVidia	AMD
Year	July 2010	April 2017
Code Name	GF104	Polaris 12
Memory	1024 MB	2048 MB
Core Speed	675 MHz	1100 MHz
Memory Speed	3600 MHz	7000 MHz
Power (Max TDP)	160 watts	50 watts
Bandwidth	115200 MB/sec	114688 MB/sec
Texel Rate	37800 Mtexels/sec	35200 Mtexels/sec
Pixel Rate	21600 Mpixels/sec	17600 Mpixels/sec
Unified Shaders	336	512
Texture Mapping Units	56	32
Render Output Units	32	16
Bus Type	GDDR5	GDDR5
Bus Width	256-bit	128-bit
Fab Process	40 nm	14 nm
Transistors	1950 million	2200 million
Bus	PCIe 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 max amount of data (measured in megabytes per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's 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 can be applied per second. This number is worked out by multiplying the total number of texture units by the core 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 processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

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