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Geforce GTX 670 vs Radeon R9 M265X

Intro

The Geforce GTX 670 makes use of a 28 nm design. nVidia has set the core frequency at 915 MHz. The GDDR5 memory works at a speed of 1500 MHz on this particular card. It features 1344 SPUs as well as 112 Texture Address Units and 32 ROPs.

Compare that to the Radeon R9 M265X, which makes use of a 28 nm design. AMD has set the core speed at 575 MHz. The GDDR5 memory is set to run at a frequency of 1125 MHz on this model. It features 640 SPUs as well as 40 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Geforce GTX 670 should theoretically perform much faster than the Radeon R9 M265X in general. (explain)

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

Texel Rate

The Geforce GTX 670 should be quite a bit (about 346%) faster with regards to texture filtering than the Radeon R9 M265X. (explain)

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

Pixel Rate

The Geforce GTX 670 will be a lot (about 218%) better at AA than the Radeon R9 M265X, and also should be capable of handling higher screen resolutions without slowing down too much. (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

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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 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 maximum amount of data (measured in MB per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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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.

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