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GeForce GTX Titan Black vs Radeon R9 M265X

Intro

The GeForce GTX Titan Black makes use of a 28 nm design. nVidia has set the core speed at 889 MHz. The GDDR5 RAM runs at a speed of 1750 MHz on this specific model. It features 2880 SPUs as well as 240 Texture Address Units and 48 ROPs.

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

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX Titan Black should be a lot faster than the Radeon R9 M265X overall. (explain)

GeForce GTX Titan Black 336000 MB/sec
Radeon R9 M265X 72000 MB/sec
Difference: 264000 (367%)

Texel Rate

The GeForce GTX Titan Black will be quite a bit (approximately 828%) faster with regards to AF than the Radeon R9 M265X. (explain)

GeForce GTX Titan Black 213360 Mtexels/sec
Radeon R9 M265X 23000 Mtexels/sec
Difference: 190360 (828%)

Pixel Rate

The GeForce GTX Titan Black should be much (more or less 364%) faster with regards to full screen anti-aliasing than the Radeon R9 M265X, and capable of handling higher screen resolutions better. (explain)

GeForce GTX Titan Black 42672 Mpixels/sec
Radeon R9 M265X 9200 Mpixels/sec
Difference: 33472 (364%)

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 Titan Black

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 Titan Black Radeon R9 M265X
Manufacturer nVidia AMD
Year February 2014 May 1 2014
Code Name GK110-430 Venus Pro
Memory 6144 MB 2048 MB
Core Speed 889 MHz 575 MHz
Memory Speed 7000 MHz 4500 MHz
Power (Max TDP) 250 watts (Unknown) watts
Bandwidth 336000 MB/sec 72000 MB/sec
Texel Rate 213360 Mtexels/sec 23000 Mtexels/sec
Pixel Rate 42672 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 2880 640
Texture Mapping Units 240 40
Render Output Units 48 16
Bus Type GDDR5 GDDR5
Bus Width 384-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 7080 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.4 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. 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 figure is calculated by multiplying the total amount of texture units by the core clock 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 in one second.

Pixel Rate: Pixel rate is the most pixels that 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 number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant 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 max fill rate.

Display Prices

Hide Prices

GeForce GTX Titan Black

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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