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Geforce GTX 1080 Ti vs Radeon RX 550

Intro

The Geforce GTX 1080 Ti makes use of a 16 nm design. nVidia has set the core speed at 1480 MHz. The GDDR5X RAM is set to run at a frequency of 1376 MHz on this specific model. It features 3584 SPUs along with 224 TAUs and 88 Rasterization Operator Units.

Compare those specifications to the Radeon RX 550, which comes with GPU core speed of 1100 MHz, and 2048 MB of GDDR5 memory running at 1750 MHz through a 128-bit bus. It also is comprised of 512 Stream Processors, 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

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

Theoretically, the Geforce GTX 1080 Ti should be a lot faster than the Radeon RX 550 in general. (explain)

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

Texel Rate

The Geforce GTX 1080 Ti is quite a bit (about 842%) better 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

If using a high screen resolution is important to you, then the Geforce GTX 1080 Ti is the winner, and very much so. (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 maximum amount of information (measured in MB per second) that can be moved across the external memory interface within a second. It's calculated by multiplying the interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to 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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