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Geforce GTX 670 vs Radeon R9 M265X

Intro

The Geforce GTX 670 comes with clock speeds of 915 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 memory. It features 1344 SPUs along with 112 TAUs and 32 ROPs.

Compare those specifications to the Radeon R9 M265X, which has a core clock frequency of 575 MHz and a GDDR5 memory frequency of 1125 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It features 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Geforce GTX 670 should be much faster than the Radeon R9 M265X overall. (explain)

Geforce GTX 670 192000 MB/sec
Radeon R9 M265X 72000 MB/sec
Difference: 120000 (167%)

Texel Rate

The Geforce GTX 670 will be quite a bit (more or less 346%) faster with regards to AF than the Radeon R9 M265X. (explain)

Geforce GTX 670 102480 Mtexels/sec
Radeon R9 M265X 23000 Mtexels/sec
Difference: 79480 (346%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Geforce GTX 670 is the winner, and very much so. (explain)

Geforce GTX 670 29280 Mpixels/sec
Radeon R9 M265X 9200 Mpixels/sec
Difference: 20080 (218%)

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 670

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

Display Specifications

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Model Geforce GTX 670 Radeon R9 M265X
Manufacturer nVidia AMD
Year May 2012 May 1 2014
Code Name GK104 Venus Pro
Memory 2048 MB 2048 MB
Core Speed 915 MHz 575 MHz
Memory Speed 6000 MHz 4500 MHz
Power (Max TDP) 170 watts (Unknown) watts
Bandwidth 192000 MB/sec 72000 MB/sec
Texel Rate 102480 Mtexels/sec 23000 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 1344 640
Texture Mapping Units 112 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 3540 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (measured in MB per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the 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 amount of texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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 memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Geforce GTX 670

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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