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Nvidia Titan X vs Radeon R9 280X

Intro

The Nvidia Titan X features a clock speed of 1417 MHz and a GDDR5X memory speed of 1251 MHz. It also makes use of a 384-bit bus, and makes use of a 16 nm design. It is comprised of 3584 SPUs, 224 Texture Address Units, and 96 Raster Operation Units.

Compare all of that to the Radeon R9 280X, which makes use of a 28 nm design. AMD has set the core speed at 850 MHz. The GDDR5 RAM runs at a speed of 1500 MHz on this particular model. It features 2048 SPUs along with 128 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

In theory, the Nvidia Titan X should perform quite a bit faster than the Radeon R9 280X overall. (explain)

Nvidia Titan X 491520 MB/sec
Radeon R9 280X 288000 MB/sec
Difference: 203520 (71%)

Texel Rate

The Nvidia Titan X should be quite a bit (approximately 192%) better at texture filtering than the Radeon R9 280X. (explain)

Nvidia Titan X 317408 Mtexels/sec
Radeon R9 280X 108800 Mtexels/sec
Difference: 208608 (192%)

Pixel Rate

The Nvidia Titan X is quite a bit (more or less 400%) faster with regards to AA than the Radeon R9 280X, and also should be capable of handling higher screen resolutions without losing too much performance. (explain)

Nvidia Titan X 136032 Mpixels/sec
Radeon R9 280X 27200 Mpixels/sec
Difference: 108832 (400%)

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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Nvidia Titan X

Amazon.com

Check prices at:

Radeon R9 280X

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 Nvidia Titan X Radeon R9 280X
Manufacturer nVidia AMD
Year August 2016 October 2013
Code Name GP102-400 Tahiti XTL
Memory 12288 MB 3072 MB
Core Speed 1417 MHz 850 MHz
Memory Speed 10008 MHz 6000 MHz
Power (Max TDP) 250 watts 250 watts
Bandwidth 491520 MB/sec 288000 MB/sec
Texel Rate 317408 Mtexels/sec 108800 Mtexels/sec
Pixel Rate 136032 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 3584 2048
Texture Mapping Units 224 128
Render Output Units 96 32
Bus Type GDDR5X GDDR5
Bus Width 384-bit 384-bit
Fab Process 16 nm 28 nm
Transistors 12000 million 4313 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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the bus width by the speed of its memory. If it uses DDR memory, the result 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 AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, 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 maximum amount of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the card's clock speed. 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 also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Nvidia Titan X

Amazon.com

Check prices at:

Radeon R9 280X

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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