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GeForce GTX 460 1GB vs Radeon RX 550

Intro

The GeForce GTX 460 1GB has a clock frequency of 675 MHz and a GDDR5 memory speed of 900 MHz. It also uses a 256-bit bus, and makes use of a 40 nm design. It is made up of 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

Compare all of that to the Radeon RX 550, which features GPU clock speed of 1100 MHz, and 2048 MB of GDDR5 memory set to run at 1750 MHz through a 128-bit bus. It also is comprised of 512 Stream Processors, 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

The GeForce GTX 460 1GB, in theory, should perform just a bit faster 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 just a bit (more or less 7%) more effective at texture 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

The GeForce GTX 460 1GB is a lot (about 23%) faster with regards to anti-aliasing than the Radeon RX 550, and should be capable of handling higher resolutions better. (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: Bandwidth is the largest amount of information (counted in megabytes per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This is worked out by multiplying the total amount 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

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