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GeForce GTX 275 vs Radeon R9 M290X

Intro

The GeForce GTX 275 uses a 55 nm design. nVidia has clocked the core frequency at 633 MHz. The GDDR3 RAM is set to run at a frequency of 1134 MHz on this model. It features 240 SPUs along with 80 Texture Address Units and 28 ROPs.

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

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M290X 100 Watts
GeForce GTX 275 219 Watts
Difference: 119 Watts (119%)

Memory Bandwidth

The Radeon R9 M290X should in theory be a lot faster than the GeForce GTX 275 in general. (explain)

Radeon R9 M290X 153600 MB/sec
GeForce GTX 275 127008 MB/sec
Difference: 26592 (21%)

Texel Rate

The Radeon R9 M290X is much (about 34%) faster with regards to texture filtering than the GeForce GTX 275. (explain)

Radeon R9 M290X 68000 Mtexels/sec
GeForce GTX 275 50640 Mtexels/sec
Difference: 17360 (34%)

Pixel Rate

The Radeon R9 M290X should be much (approximately 53%) better at full screen anti-aliasing than the GeForce GTX 275, and should be able to handle higher screen resolutions without slowing down too much. (explain)

Radeon R9 M290X 27200 Mpixels/sec
GeForce GTX 275 17724 Mpixels/sec
Difference: 9476 (53%)

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 275

Amazon.com

Check prices at:

Radeon R9 M290X

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 275 Radeon R9 M290X
Manufacturer nVidia AMD
Year April 9, 2009 May 1 2014
Code Name G200b Neptune XT
Memory 896 MB 4096 MB
Core Speed 633 MHz 850 MHz
Memory Speed 2268 MHz 4800 MHz
Power (Max TDP) 219 watts 100 watts
Bandwidth 127008 MB/sec 153600 MB/sec
Texel Rate 50640 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 240 1280
Texture Mapping Units 80 80
Render Output Units 28 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit 256-bit
Fab Process 55 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: Bandwidth is the max amount of information (measured in megabytes per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the 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 core speed of the card. 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 lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 275

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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