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GeForce GTX 280 vs Radeon R9 M265X

Intro

The GeForce GTX 280 uses a 65 nm design. nVidia has set the core speed at 602 MHz. The GDDR3 RAM is set to run at a speed of 1107 MHz on this particular model. It features 240 SPUs as well as 80 TAUs and 32 Rasterization Operator Units.

Compare all of that to the Radeon R9 M265X, which comes with core speeds of 575 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 memory. It features 640 SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce GTX 280 should in theory be a lot superior to the Radeon R9 M265X in general. (explain)

GeForce GTX 280 141696 MB/sec
Radeon R9 M265X 72000 MB/sec
Difference: 69696 (97%)

Texel Rate

The GeForce GTX 280 should be much (approximately 109%) better at AF than the Radeon R9 M265X. (explain)

GeForce GTX 280 48160 Mtexels/sec
Radeon R9 M265X 23000 Mtexels/sec
Difference: 25160 (109%)

Pixel Rate

The GeForce GTX 280 will be a lot (more or less 109%) faster with regards to AA than the Radeon R9 M265X, and will be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 280 19264 Mpixels/sec
Radeon R9 M265X 9200 Mpixels/sec
Difference: 10064 (109%)

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

Check prices at:

Radeon R9 M265X

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 280 Radeon R9 M265X
Manufacturer nVidia AMD
Year June 17, 2008 May 1 2014
Code Name G200 Venus Pro
Memory 1024 MB 2048 MB
Core Speed 602 MHz 575 MHz
Memory Speed 2214 MHz 4500 MHz
Power (Max TDP) 236 watts (Unknown) watts
Bandwidth 141696 MB/sec 72000 MB/sec
Texel Rate 48160 Mtexels/sec 23000 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 240 640
Texture Mapping Units 80 40
Render Output Units 32 16
Bus Type GDDR3 GDDR5
Bus Width 512-bit 128-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 data (counted in megabytes per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 processed in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 280

Amazon.com

Check prices at:

Radeon R9 M265X

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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