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GeForce GTX Titan Black vs Radeon R9 M295X

Intro

The GeForce GTX Titan Black features a core clock frequency of 889 MHz and a GDDR5 memory frequency of 1750 MHz. It also uses a 384-bit bus, and makes use of a 28 nm design. It is comprised of 2880 SPUs, 240 Texture Address Units, and 48 ROPs.

Compare those specifications to the Radeon R9 M295X, which comes with core speeds of 750 MHz on the GPU, and 1375 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs as well as 128 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M295X 125 Watts
GeForce GTX Titan Black 250 Watts
Difference: 125 Watts (100%)

Memory Bandwidth

Theoretically, the GeForce GTX Titan Black should be much faster than the Radeon R9 M295X overall. (explain)

GeForce GTX Titan Black 336000 MB/sec
Radeon R9 M295X 176000 MB/sec
Difference: 160000 (91%)

Texel Rate

The GeForce GTX Titan Black should be quite a bit (approximately 122%) more effective at anisotropic filtering than the Radeon R9 M295X. (explain)

GeForce GTX Titan Black 213360 Mtexels/sec
Radeon R9 M295X 96000 Mtexels/sec
Difference: 117360 (122%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX Titan Black is a better choice, by a large margin. (explain)

GeForce GTX Titan Black 42672 Mpixels/sec
Radeon R9 M295X 24000 Mpixels/sec
Difference: 18672 (78%)

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 M295X

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 M295X
Manufacturer nVidia AMD
Year February 2014 2014
Code Name GK110-430 Unknown
Memory 6144 MB 4096 MB
Core Speed 889 MHz 750 MHz
Memory Speed 7000 MHz 5500 MHz
Power (Max TDP) 250 watts 125 watts
Bandwidth 336000 MB/sec 176000 MB/sec
Texel Rate 213360 Mtexels/sec 96000 Mtexels/sec
Pixel Rate 42672 Mpixels/sec 24000 Mpixels/sec
Unified Shaders 2880 2048
Texture Mapping Units 240 128
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-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 maximum amount of data (in units of megabytes per second) that can be transferred over the external memory interface in a second. The number is worked out 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 faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX Titan Black

Amazon.com

Check prices at:

Radeon R9 M295X

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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