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GeForce GTX 980M vs Radeon R9 M290X

Intro

The GeForce GTX 980M comes with a GPU clock speed of 1038 MHz, and the 4096 MB of GDDR5 memory runs at 1000 MHz through a 256-bit bus. It also is comprised of 1536 Stream Processors, 96 TAUs, and 64 Raster Operation Units.

Compare those specs to the Radeon R9 M290X, which makes use of a 28 nm design. AMD has set the core frequency at 850 MHz. The GDDR5 memory works at a speed of 1200 MHz on this card. It features 1280 SPUs along with 80 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Theoretically speaking, the Radeon R9 M290X is 20% quicker than the GeForce GTX 980M overall, due to its higher data rate. (explain)

Radeon R9 M290X 153600 MB/sec
GeForce GTX 980M 128000 MB/sec
Difference: 25600 (20%)

Texel Rate

The GeForce GTX 980M will be much (more or less 47%) better at texture filtering than the Radeon R9 M290X. (explain)

GeForce GTX 980M 99648 Mtexels/sec
Radeon R9 M290X 68000 Mtexels/sec
Difference: 31648 (47%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 980M is the winner, and very much so. (explain)

GeForce GTX 980M 66432 Mpixels/sec
Radeon R9 M290X 27200 Mpixels/sec
Difference: 39232 (144%)

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 R9 M290X

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 R9 M290X
Manufacturer nVidia AMD
Year October 7 2014 May 1 2014
Code Name GM204 Neptune XT
Memory 4096 MB 4096 MB
Core Speed 1038 MHz 850 MHz
Memory Speed 4000 MHz 4800 MHz
Power (Max TDP) 100 watts 100 watts
Bandwidth 128000 MB/sec 153600 MB/sec
Texel Rate 99648 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 66432 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 1536 1280
Texture Mapping Units 96 80
Render Output Units 64 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster 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 are applied in one second. This is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of 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 output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 980M

Amazon.com

Check prices at:

Radeon R9 M290X

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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