GeForce GTX 580 vs Radeon RX 550

Intro

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

Display Graphs

Hide Graphs

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

GeForce GTX 580		4956 points
Radeon RX 550		3507 points
	Difference: 1449 (41%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550		50 Watts
GeForce GTX 580		244 Watts
	Difference: 194 Watts (388%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 580 should in theory be quite a bit superior to the Radeon RX 550 overall. (explain)

GeForce GTX 580		192384 MB/sec
Radeon RX 550		114688 MB/sec
	Difference: 77696 (68%)

Texel Rate

The GeForce GTX 580 should be quite a bit (more or less 40%) faster with regards to AF than the Radeon RX 550. (explain)

GeForce GTX 580		49408 Mtexels/sec
Radeon RX 550		35200 Mtexels/sec
	Difference: 14208 (40%)

Pixel Rate

The GeForce GTX 580 is much (more or less 111%) faster with regards to full screen anti-aliasing than the Radeon RX 550, and able to handle higher screen resolutions better. (explain)

GeForce GTX 580		37056 Mpixels/sec
Radeon RX 550		17600 Mpixels/sec
	Difference: 19456 (111%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the largest 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 interface width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 once 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 higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called 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 bandwidth is, the lower the potential to get to the max fill rate.