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GeForce GTX Titan Black vs Radeon R9 M265X

Intro

The GeForce GTX Titan Black comes with a GPU clock speed of 889 MHz, and the 6144 MB of GDDR5 memory is set to run at 1750 MHz through a 384-bit bus. It also is made up of 2880 Stream Processors, 240 TAUs, and 48 Raster Operation Units.

Compare all of that to the Radeon R9 M265X, which features GPU core speed of 575 MHz, and 2048 MB of GDDR5 memory set to run at 1125 MHz through a 128-bit bus. It also is comprised of 640 Stream Processors, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce GTX Titan Black should theoretically be much better 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 is much (more or less 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

If using a high resolution is important to you, then the GeForce GTX Titan Black is superior to the Radeon R9 M265X, by far. (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: Bandwidth is the max amount of data (measured in megabytes per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, 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 can be applied per second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant 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

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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