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GeForce 920M vs Radeon R9 M290X

Intro

The GeForce 920M comes with core speeds of 954 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 memory. It features 384 SPUs along with 32 TAUs and 8 ROPs.

Compare those specs to the Radeon R9 M290X, which features GPU core speed of 850 MHz, and 4096 MB of GDDR5 RAM running at 1200 MHz through a 256-bit bus. It also features 1280 Stream Processors, 80 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R9 M290X, in theory, should perform much faster than the GeForce 920M overall. (explain)

Radeon R9 M290X 153600 MB/sec
GeForce 920M 14400 MB/sec
Difference: 139200 (967%)

Texel Rate

The Radeon R9 M290X will be a lot (approximately 123%) better at texture filtering than the GeForce 920M. (explain)

Radeon R9 M290X 68000 Mtexels/sec
GeForce 920M 30528 Mtexels/sec
Difference: 37472 (123%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R9 M290X is a better choice, by far. (explain)

Radeon R9 M290X 27200 Mpixels/sec
GeForce 920M 7632 Mpixels/sec
Difference: 19568 (256%)

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 920M

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 920M Radeon R9 M290X
Manufacturer nVidia AMD
Year March 12 2015 May 1 2014
Code Name GK208 Neptune XT
Memory 2048 MB 4096 MB
Core Speed 954 MHz 850 MHz
Memory Speed 1800 MHz 4800 MHz
Power (Max TDP) (Unknown) watts 100 watts
Bandwidth 14400 MB/sec 153600 MB/sec
Texel Rate 30528 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 7632 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 384 1280
Texture Mapping Units 32 80
Render Output Units 8 32
Bus Type DDR3 GDDR5
Bus Width 64-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: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be transferred over the external memory interface within a second. It's worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 920M

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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