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GeForce GTX 465 vs Radeon R9 M280X

Intro

The GeForce GTX 465 comes with a core clock frequency of 607 MHz and a GDDR5 memory frequency of 802 MHz. It also uses a 256-bit bus, and uses a 40 nm design. It is made up of 352 SPUs, 44 Texture Address Units, and 32 ROPs.

Compare all of that to the Radeon R9 M280X, which has GPU clock speed of 900 MHz, and 4096 MB of GDDR5 RAM running at 1375 MHz through a 128-bit bus. It also is comprised of 896 SPUs, 56 Texture Address Units, and 16 ROPs.

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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

The GeForce GTX 465 should theoretically perform a small bit faster 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 will be much (about 89%) more effective at texture filtering than the GeForce GTX 465. (explain)

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

Pixel Rate

The GeForce GTX 465 is a lot (approximately 35%) faster with regards to anti-aliasing than the Radeon R9 M280X, and also should be capable of handling higher resolutions without slowing down too much. (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: Memory bandwidth is the max amount of data (measured in MB per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum 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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