GeForce GTX 880M vs Radeon RX 550

Intro

Compare that to the Radeon RX 550, which makes use of a 14 nm design. AMD has clocked the core speed at 1100 MHz. The GDDR5 RAM works at a frequency of 1750 MHz on this specific model. It features 512 SPUs along with 32 Texture Address Units and 16 ROPs.

Display Graphs

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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

GeForce GTX 880M		6360 points
Radeon RX 550		3507 points
	Difference: 2853 (81%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550		50 Watts
GeForce GTX 880M		130 Watts
	Difference: 80 Watts (160%)

Memory Bandwidth

The GeForce GTX 880M, in theory, should be a bit faster than the Radeon RX 550 overall. (explain)

GeForce GTX 880M		128000 MB/sec
Radeon RX 550		114688 MB/sec
	Difference: 13312 (12%)

Texel Rate

The GeForce GTX 880M is a lot (approximately 247%) more effective at AF than the Radeon RX 550. (explain)

GeForce GTX 880M		122112 Mtexels/sec
Radeon RX 550		35200 Mtexels/sec
	Difference: 86912 (247%)

Pixel Rate

The GeForce GTX 880M should be quite a bit (about 73%) better at anti-aliasing than the Radeon RX 550, and also able to handle higher screen resolutions better. (explain)

GeForce GTX 880M		30528 Mpixels/sec
Radeon RX 550		17600 Mpixels/sec
	Difference: 12928 (73%)

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: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total number of texture units of the card 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 in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines 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 is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.