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Geforce GTX 1080 Ti vs Radeon RX 550

Intro

The Geforce GTX 1080 Ti has clock speeds of 1480 MHz on the GPU, and 1376 MHz on the 11264 MB of GDDR5X memory. It features 3584 SPUs as well as 224 TAUs and 88 Rasterization Operator Units.

Compare all that to the Radeon RX 550, which uses a 14 nm design. AMD has set the core speed at 1100 MHz. The GDDR5 memory runs at a speed of 1750 MHz on this particular model. It features 512 SPUs as well as 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 27570 points
Radeon RX 550 3507 points
Difference: 24063 (686%)

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

Performance-wise, the Geforce GTX 1080 Ti should theoretically be quite a bit superior to 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 is quite a bit (about 842%) more effective at anisotropic 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 running with a high screen resolution is important to you, then the Geforce GTX 1080 Ti is superior to the Radeon RX 550, by a large margin. (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

Radeon RX 550

Amazon.com

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: Memory bandwidth is the max amount of data (counted in MB per second) that can be transported over the external memory interface within a second. It is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the graphics 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 most pixels that the graphics card could possibly record to the local memory per 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 - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Geforce GTX 1080 Ti

Amazon.com

Radeon RX 550

Amazon.com

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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