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Geforce GTX 1080 Ti vs Radeon RX 550

Intro

The Geforce GTX 1080 Ti comes with a clock speed of 1480 MHz and a GDDR5X memory frequency of 1376 MHz. It also uses a 352-bit memory bus, and uses a 16 nm design. It is comprised of 3584 SPUs, 224 Texture Address Units, and 88 Raster Operation Units.

Compare those specs to the Radeon RX 550, which has GPU clock speed of 1100 MHz, and 2048 MB of GDDR5 RAM running at 1750 MHz through a 128-bit bus. It also features 512 SPUs, 32 TAUs, and 16 Raster Operation Units.

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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 1080 Ti 27629 points
Radeon RX 550 3507 points
Difference: 24122 (688%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
Geforce GTX 1080 Ti 250 Watts
Difference: 200 Watts (400%)

Memory Bandwidth

The Geforce GTX 1080 Ti, in theory, should perform quite a bit faster than the Radeon RX 550 overall. (explain)

Geforce GTX 1080 Ti 495616 MB/sec
Radeon RX 550 114688 MB/sec
Difference: 380928 (332%)

Texel Rate

The Geforce GTX 1080 Ti will be much (about 842%) more effective at texture filtering than the Radeon RX 550. (explain)

Geforce GTX 1080 Ti 331520 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 296320 (842%)

Pixel Rate

The Geforce GTX 1080 Ti will be much (approximately 640%) more effective at anti-aliasing than the Radeon RX 550, and also able to handle higher screen resolutions better. (explain)

Geforce GTX 1080 Ti 130240 Mpixels/sec
Radeon RX 550 17600 Mpixels/sec
Difference: 112640 (640%)

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 1080 Ti

Amazon.com

Check prices at:

Radeon RX 550

Amazon.com

Check prices at:

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 1080 Ti Radeon RX 550
Manufacturer nVidia AMD
Year March 2017 April 2017
Code Name GP102 Polaris 12
Memory 11264 MB 2048 MB
Core Speed 1480 MHz 1100 MHz
Memory Speed 11008 MHz 7000 MHz
Power (Max TDP) 250 watts 50 watts
Bandwidth 495616 MB/sec 114688 MB/sec
Texel Rate 331520 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 130240 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 3584 512
Texture Mapping Units 224 32
Render Output Units 88 16
Bus Type GDDR5X GDDR5
Bus Width 352-bit 128-bit
Fab Process 16 nm 14 nm
Transistors 12000 million 2200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the 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 number of pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core clock speed. 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 output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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Geforce GTX 1080 Ti

Amazon.com

Check prices at:

Radeon RX 550

Amazon.com

Check prices at:

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.

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