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GeForce GTX 970 vs Radeon RX 5500

Intro

The GeForce GTX 970 comes with a GPU clock speed of 1050 MHz, and the 4096 MB of GDDR5 RAM runs at 1750 MHz through a 256-bit bus. It also is comprised of 1664 Stream Processors, 104 Texture Address Units, and 64 Raster Operation Units.

Compare all of that to the Radeon RX 5500, which features a core clock speed of 1670 MHz and a GDDR6 memory frequency of 14000 MHz. It also makes use of a 128-bit bus, and uses a 7 nm design. It features 1408 SPUs, 88 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970		145 Watts
Radeon RX 5500		150 Watts
	Difference: 5 Watts (3%)

Memory Bandwidth

Performance-wise, the Radeon RX 5500 should theoretically be a bit better than the GeForce GTX 970 in general. (explain)

Radeon RX 5500		229376 MB/sec
GeForce GTX 970		224000 MB/sec
	Difference: 5376 (2%)

Texel Rate

The Radeon RX 5500 will be a lot (more or less 35%) better at anisotropic filtering than the GeForce GTX 970. (explain)

Radeon RX 5500		146960 Mtexels/sec
GeForce GTX 970		109200 Mtexels/sec
	Difference: 37760 (35%)

Pixel Rate

The GeForce GTX 970 is much (approximately 26%) faster with regards to FSAA than the Radeon RX 5500, and capable of handling higher screen resolutions better. (explain)

GeForce GTX 970		67200 Mpixels/sec
Radeon RX 5500		53440 Mpixels/sec
	Difference: 13760 (26%)

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 970

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Radeon RX 5500

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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 970	Radeon RX 5500
Manufacturer	nVidia	AMD
Year	September 2014	October 2019
Code Name	GM204-200	Navi 14 XT
Memory	4096 MB	4096 MB
Core Speed	1050 MHz	1670 MHz
Memory Speed	7000 MHz	28000 GB/s
Power (Max TDP)	145 watts	150 watts
Bandwidth	224000 MB/sec	229376 MB/sec
Texel Rate	109200 Mtexels/sec	146960 Mtexels/sec
Pixel Rate	67200 Mpixels/sec	53440 Mpixels/sec
Unified Shaders	1664	1408
Texture Mapping Units	104	88
Render Output Units	64	32
Bus Type	GDDR5	GDDR6
Bus Width	256-bit	128-bit
Fab Process	28 nm	7 nm
Transistors	5200 million	6400 million
Bus	PCIe 3.0 x16	PCIe 4.0 ×16
DirectX Version	DirectX 11.2	DirectX 12
OpenGL Version	OpenGL 4.5	OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

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