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GeForce GTX 470 vs Radeon RX 550

Intro

The GeForce GTX 470 comes with a GPU core speed of 607 MHz, and the 1280 MB of GDDR5 memory is set to run at 837 MHz through a 320-bit bus. It also is made up of 448 Stream Processors, 56 TAUs, and 40 Raster Operation Units.

Compare all that to the Radeon RX 550, which uses a 14 nm design. AMD has clocked the core speed at 1100 MHz. The GDDR5 RAM runs at a speed of 1750 MHz on this card. It features 512 SPUs along with 32 TAUs and 16 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX 550		3507 points
GeForce GTX 470		2937 points
	Difference: 570 (19%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550		50 Watts
GeForce GTX 470		215 Watts
	Difference: 165 Watts (330%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 470 should theoretically be a bit superior to the Radeon RX 550 in general. (explain)

GeForce GTX 470		133920 MB/sec
Radeon RX 550		114688 MB/sec
	Difference: 19232 (17%)

Texel Rate

The Radeon RX 550 is a small bit (more or less 4%) faster with regards to AF than the GeForce GTX 470. (explain)

Radeon RX 550		35200 Mtexels/sec
GeForce GTX 470		33992 Mtexels/sec
	Difference: 1208 (4%)

Pixel Rate

The GeForce GTX 470 will be quite a bit (approximately 38%) faster with regards to anti-aliasing than the Radeon RX 550, and also able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 470		24280 Mpixels/sec
Radeon RX 550		17600 Mpixels/sec
	Difference: 6680 (38%)

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 470

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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 470	Radeon RX 550
Manufacturer	nVidia	AMD
Year	March 2010	April 2017
Code Name	GF100	Polaris 12
Memory	1280 MB	2048 MB
Core Speed	607 MHz	1100 MHz
Memory Speed	3348 MHz	7000 MHz
Power (Max TDP)	215 watts	50 watts
Bandwidth	133920 MB/sec	114688 MB/sec
Texel Rate	33992 Mtexels/sec	35200 Mtexels/sec
Pixel Rate	24280 Mpixels/sec	17600 Mpixels/sec
Unified Shaders	448	512
Texture Mapping Units	56	32
Render Output Units	40	16
Bus Type	GDDR5	GDDR5
Bus Width	320-bit	128-bit
Fab Process	40 nm	14 nm
Transistors	3000 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 (counted in megabytes per second) that can be transported across the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called 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, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

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