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GeForce GTX 280 vs Radeon R9 M290X

Intro

The GeForce GTX 280 features a GPU clock speed of 602 MHz, and the 1024 MB of GDDR3 RAM is set to run at 1107 MHz through a 512-bit bus. It also is comprised of 240 SPUs, 80 TAUs, and 32 ROPs.

Compare all of that to the Radeon R9 M290X, which comes with a core clock speed of 850 MHz and a GDDR5 memory frequency of 1200 MHz. It also uses a 256-bit memory bus, and makes use of a 28 nm design. It features 1280 SPUs, 80 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M290X 100 Watts
GeForce GTX 280 236 Watts
Difference: 136 Watts (136%)

Memory Bandwidth

Theoretically, the Radeon R9 M290X should be a little bit faster than the GeForce GTX 280 in general. (explain)

Radeon R9 M290X 153600 MB/sec
GeForce GTX 280 141696 MB/sec
Difference: 11904 (8%)

Texel Rate

The Radeon R9 M290X should be quite a bit (approximately 41%) more effective at anisotropic filtering than the GeForce GTX 280. (explain)

Radeon R9 M290X 68000 Mtexels/sec
GeForce GTX 280 48160 Mtexels/sec
Difference: 19840 (41%)

Pixel Rate

The Radeon R9 M290X is much (about 41%) more effective at anti-aliasing than the GeForce GTX 280, and should be capable of handling higher screen resolutions more effectively. (explain)

Radeon R9 M290X 27200 Mpixels/sec
GeForce GTX 280 19264 Mpixels/sec
Difference: 7936 (41%)

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 280

Amazon.com

Radeon R9 M290X

Amazon.com

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 280 Radeon R9 M290X
Manufacturer nVidia AMD
Year June 17, 2008 May 1 2014
Code Name G200 Neptune XT
Memory 1024 MB 4096 MB
Core Speed 602 MHz 850 MHz
Memory Speed 2214 MHz 4800 MHz
Power (Max TDP) 236 watts 100 watts
Bandwidth 141696 MB/sec 153600 MB/sec
Texel Rate 48160 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 240 1280
Texture Mapping Units 80 80
Render Output Units 32 32
Bus Type GDDR3 GDDR5
Bus Width 512-bit 256-bit
Fab Process 65 nm 28 nm
Transistors 1400 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher 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 number of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a 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. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 280

Amazon.com

Radeon R9 M290X

Amazon.com

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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