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GeForce GTX 465 vs Radeon R9 M280X

Intro

The GeForce GTX 465 has a GPU clock speed of 607 MHz, and the 1024 MB of GDDR5 RAM is set to run at 802 MHz through a 256-bit bus. It also is comprised of 352 SPUs, 44 TAUs, and 32 Raster Operation Units.

Compare those specs to the Radeon R9 M280X, which comes with a GPU core clock speed of 900 MHz, and 4096 MB of GDDR5 memory set to run at 1375 MHz through a 128-bit bus. It also features 896 SPUs, 56 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M280X 75 Watts
GeForce GTX 465 200 Watts
Difference: 125 Watts (167%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 465 should theoretically be a little bit better than the Radeon R9 M280X in general. (explain)

GeForce GTX 465 102592 MB/sec
Radeon R9 M280X 88000 MB/sec
Difference: 14592 (17%)

Texel Rate

The Radeon R9 M280X should be quite a bit (about 89%) better at anisotropic filtering than the GeForce GTX 465. (explain)

Radeon R9 M280X 50400 Mtexels/sec
GeForce GTX 465 26708 Mtexels/sec
Difference: 23692 (89%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 465 is a better choice, by a large margin. (explain)

GeForce GTX 465 19424 Mpixels/sec
Radeon R9 M280X 14400 Mpixels/sec
Difference: 5024 (35%)

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 465

Amazon.com

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Radeon R9 M280X

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 465 Radeon R9 M280X
Manufacturer nVidia AMD
Year May 2010 Feb 9 2015
Code Name GF100 Saturn XT
Memory 1024 MB 4096 MB
Core Speed 607 MHz 900 MHz
Memory Speed 3208 MHz 5500 MHz
Power (Max TDP) 200 watts 75 watts
Bandwidth 102592 MB/sec 88000 MB/sec
Texel Rate 26708 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 19424 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 352 896
Texture Mapping Units 44 56
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 3000 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, 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 could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the clock 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 is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 465

Amazon.com

Check prices at:

Radeon R9 M280X

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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