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GeForce GTX Titan X vs Radeon R9 M295X

Intro

The GeForce GTX Titan X uses a 28 nm design. nVidia has clocked the core frequency at 1000 MHz. The GDDR5 memory works at a speed of 1750 MHz on this specific card. It features 3072 SPUs along with 192 TAUs and 96 ROPs.

Compare those specs to the Radeon R9 M295X, which makes use of a 28 nm design. AMD has clocked the core speed at 750 MHz. The GDDR5 memory is set to run at a speed of 1375 MHz on this model. It features 2048 SPUs as well as 128 TAUs 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 X 250 Watts
Difference: 125 Watts (100%)

Memory Bandwidth

In theory, the GeForce GTX Titan X should be much faster than the Radeon R9 M295X in general. (explain)

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

Texel Rate

The GeForce GTX Titan X is a lot (about 100%) more effective at AF than the Radeon R9 M295X. (explain)

GeForce GTX Titan X 192000 Mtexels/sec
Radeon R9 M295X 96000 Mtexels/sec
Difference: 96000 (100%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX Titan X is a better choice, by a large margin. (explain)

GeForce GTX Titan X 96000 Mpixels/sec
Radeon R9 M295X 24000 Mpixels/sec
Difference: 72000 (300%)

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 X

Amazon.com

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Radeon R9 M295X

Amazon.com

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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 X Radeon R9 M295X
Manufacturer nVidia AMD
Year March 2015 2014
Code Name GM200 Unknown
Memory 12288 MB 4096 MB
Core Speed 1000 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 192000 Mtexels/sec 96000 Mtexels/sec
Pixel Rate 96000 Mpixels/sec 24000 Mpixels/sec
Unified Shaders 3072 2048
Texture Mapping Units 192 128
Render Output Units 96 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 8000 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of MB per second) that can be transported over the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 once 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at 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 could possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX Titan X

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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