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GeForce GTX 980M vs Radeon RX 550

Intro

The GeForce GTX 980M comes with a clock frequency of 1038 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 256-bit bus, and uses a 28 nm design. It is comprised of 1536 SPUs, 96 TAUs, and 64 ROPs.

Compare those specifications to the Radeon RX 550, which comes with a clock speed of 1100 MHz and a GDDR5 memory speed of 1750 MHz. It also makes use of a 128-bit bus, and uses a 14 nm design. It features 512 SPUs, 32 Texture Address Units, 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 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

Theoretically speaking, the GeForce GTX 980M will be 12% quicker than the Radeon RX 550 in general, due to its greater data rate. (explain)

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

Texel Rate

The GeForce GTX 980M is a lot (more or less 183%) more effective at texture 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 quite a bit (about 277%) faster with regards to full screen anti-aliasing than the Radeon RX 550, and also able to handle higher resolutions without slowing down too much. (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

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Radeon RX 550

Amazon.com

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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 maximum amount of information (in units of MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 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, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of 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 better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's 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 also depends on quite a few other factors, most notably the memory bandwidth of the card - 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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