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GeForce GTX 980M vs Radeon RX 550

Intro

The GeForce GTX 980M has a GPU core clock speed of 1038 MHz, and the 4096 MB of GDDR5 RAM runs at 1000 MHz through a 256-bit bus. It also is comprised of 1536 Stream Processors, 96 Texture Address Units, and 64 ROPs.

Compare all of that to the Radeon RX 550, which comes with a GPU core clock speed of 1100 MHz, and 2048 MB of GDDR5 RAM running at 1750 MHz through a 128-bit bus. It also is comprised of 512 SPUs, 32 Texture Address Units, 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 perform a bit faster than the Radeon RX 550 in general. (explain)

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

Texel Rate

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

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

Pixel Rate

The GeForce GTX 980M will be a lot (more or less 277%) better at anti-aliasing than the Radeon RX 550, and will be able to handle higher resolutions better. (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 max amount of information (counted in MB per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total number of 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated 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 output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum 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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