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Geforce GTX 690 vs Radeon R9 M265X

Intro

The Geforce GTX 690 features a core clock speed of 915 MHz and a GDDR5 memory frequency of 1502 MHz. It also makes use of a 256-bit memory bus, and makes use of a 28 nm design. It features 1536 SPUs, 128 TAUs, and 32 ROPs.

Compare that to the Radeon R9 M265X, which features a GPU core clock speed of 575 MHz, and 2048 MB of GDDR5 memory set to run at 1125 MHz through a 128-bit bus. It also is made up of 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Geforce GTX 690 should be 434% faster than the Radeon R9 M265X overall, because of its greater bandwidth. (explain)

Geforce GTX 690 384512 MB/sec
Radeon R9 M265X 72000 MB/sec
Difference: 312512 (434%)

Texel Rate

The Geforce GTX 690 should be a lot (about 918%) better at anisotropic filtering than the Radeon R9 M265X. (explain)

Geforce GTX 690 234240 Mtexels/sec
Radeon R9 M265X 23000 Mtexels/sec
Difference: 211240 (918%)

Pixel Rate

If running with high levels of AA is important to you, then the Geforce GTX 690 is a better choice, by far. (explain)

Geforce GTX 690 58560 Mpixels/sec
Radeon R9 M265X 9200 Mpixels/sec
Difference: 49360 (537%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Geforce GTX 690

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 690 Radeon R9 M265X
Manufacturer nVidia AMD
Year April 2012 May 1 2014
Code Name GK104 Venus Pro
Memory 2048 MB (x2) 2048 MB
Core Speed 915 MHz (x2) 575 MHz
Memory Speed 6008 MHz (x2) 4500 MHz
Power (Max TDP) 300 watts (Unknown) watts
Bandwidth 384512 MB/sec 72000 MB/sec
Texel Rate 234240 Mtexels/sec 23000 Mtexels/sec
Pixel Rate 58560 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 1536 (x2) 640
Texture Mapping Units 128 (x2) 40
Render Output Units 32 (x2) 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit (x2) 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 largest amount of data (in units of megabytes per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

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

Display Prices

Hide Prices

Geforce GTX 690

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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