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Nvidia Titan X vs Radeon R9 290

Intro

The Nvidia Titan X comes with core speeds of 1417 MHz on the GPU, and 1251 MHz on the 12288 MB of GDDR5X RAM. It features 3584 SPUs as well as 224 Texture Address Units and 96 ROPs.

Compare all of that to the Radeon R9 290, which comes with GPU core speed of 800 MHz, and 4096 MB of GDDR5 RAM set to run at 1250 MHz through a 512-bit bus. It also is made up of 2560 Stream Processors, 160 TAUs, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Nvidia Titan X 250 Watts
Radeon R9 290 300 Watts
Difference: 50 Watts (20%)

Memory Bandwidth

Theoretically speaking, the Nvidia Titan X should perform quite a bit faster than the Radeon R9 290 overall. (explain)

Nvidia Titan X 491520 MB/sec
Radeon R9 290 320000 MB/sec
Difference: 171520 (54%)

Texel Rate

The Nvidia Titan X is quite a bit (about 148%) more effective at AF than the Radeon R9 290. (explain)

Nvidia Titan X 317408 Mtexels/sec
Radeon R9 290 128000 Mtexels/sec
Difference: 189408 (148%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Nvidia Titan X is the winner, and very much so. (explain)

Nvidia Titan X 136032 Mpixels/sec
Radeon R9 290 51200 Mpixels/sec
Difference: 84832 (166%)

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

Nvidia Titan X

Radeon R9 290

Specifications

Display Specifications

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Model Nvidia Titan X Radeon R9 290
Manufacturer nVidia AMD
Year August 2016 November 2013
Code Name GP102-400 Hawaii PRO
Memory 12288 MB 4096 MB
Core Speed 1417 MHz 800 MHz
Memory Speed 10008 MHz 5000 MHz
Power (Max TDP) 250 watts 300 watts
Bandwidth 491520 MB/sec 320000 MB/sec
Texel Rate 317408 Mtexels/sec 128000 Mtexels/sec
Pixel Rate 136032 Mpixels/sec 51200 Mpixels/sec
Unified Shaders 3584 2560
Texture Mapping Units 224 160
Render Output Units 96 64
Bus Type GDDR5X GDDR5
Bus Width 384-bit 512-bit
Fab Process 16 nm 28 nm
Transistors 12000 million 6200 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 largest amount of information (in units of megabytes per second) that can be transferred over the external memory interface in a second. It is worked out by multiplying the interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the 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 amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Nvidia Titan X

Radeon R9 290

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