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GeForce GTX 980M vs Radeon RX 550

Intro

The GeForce GTX 980M makes use of a 28 nm design. nVidia has clocked the core speed at 1038 MHz. The GDDR5 memory works at a frequency of 1000 MHz on this specific card. It features 1536 SPUs as well as 96 Texture Address Units and 64 Rasterization Operator Units.

Compare that to the Radeon RX 550, which has a core clock speed of 1100 MHz and a GDDR5 memory speed of 1750 MHz. It also makes use of a 128-bit memory bus, and makes use of a 14 nm design. It is made up of 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 980M 9476 points
Radeon RX 550 3507 points
Difference: 5969 (170%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
GeForce GTX 980M 100 Watts
Difference: 50 Watts (100%)

Memory Bandwidth

In theory, the GeForce GTX 980M should be 12% quicker than the Radeon RX 550 in general, due to its greater bandwidth. (explain)

GeForce GTX 980M 128000 MB/sec
Radeon RX 550 114688 MB/sec
Difference: 13312 (12%)

Texel Rate

The GeForce GTX 980M will be a lot (approximately 183%) more effective at AF than the Radeon RX 550. (explain)

GeForce GTX 980M 99648 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 64448 (183%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 980M is superior to the Radeon RX 550, by far. (explain)

GeForce GTX 980M 66432 Mpixels/sec
Radeon RX 550 17600 Mpixels/sec
Difference: 48832 (277%)

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 980M

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 980M Radeon RX 550
Manufacturer nVidia AMD
Year October 7 2014 April 2017
Code Name GM204 Polaris 12
Memory 4096 MB 2048 MB
Core Speed 1038 MHz 1100 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 100 watts 50 watts
Bandwidth 128000 MB/sec 114688 MB/sec
Texel Rate 99648 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 66432 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 1536 512
Texture Mapping Units 96 32
Render Output Units 64 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 28 nm 14 nm
Transistors (Unknown) million 2200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of 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 memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's 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 texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total number of texture units of the card by the core 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 in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 980M

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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