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Geforce GTX 690 vs Radeon R9 M265X

Intro

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

Compare that to the Radeon R9 M265X, which comes with core speeds of 575 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 RAM. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Geforce GTX 690 should be quite a bit faster than the Radeon R9 M265X overall. (explain)

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

Texel Rate

The Geforce GTX 690 will be much (approximately 918%) faster with regards to 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

The Geforce GTX 690 is quite a bit (about 537%) more effective at anti-aliasing than the Radeon R9 M265X, and also will be capable of handling higher resolutions better. (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 max amount of information (measured in MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total amount of texture units of the card by the core clock 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 processed per second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability 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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