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Nvidia Titan X vs Radeon R7 250X 2GB

Intro

The Nvidia Titan X comes with a GPU core speed of 1417 MHz, and the 12288 MB of GDDR5X memory is set to run at 1251 MHz through a 384-bit bus. It also is comprised of 3584 Stream Processors, 224 TAUs, and 96 Raster Operation Units.

Compare that to the Radeon R7 250X 2GB, which uses a 28 nm design. AMD has clocked the core speed at 1000 MHz. The GDDR5 memory works at a speed of 1125 MHz on this card. It features 640 SPUs along with 40 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X 2GB 95 Watts
Nvidia Titan X 250 Watts
Difference: 155 Watts (163%)

Memory Bandwidth

Theoretically, the Nvidia Titan X should perform a lot faster than the Radeon R7 250X 2GB in general. (explain)

Nvidia Titan X 491520 MB/sec
Radeon R7 250X 2GB 72000 MB/sec
Difference: 419520 (583%)

Texel Rate

The Nvidia Titan X will be much (about 694%) better at AF than the Radeon R7 250X 2GB. (explain)

Nvidia Titan X 317408 Mtexels/sec
Radeon R7 250X 2GB 40000 Mtexels/sec
Difference: 277408 (694%)

Pixel Rate

The Nvidia Titan X should be much (more or less 750%) faster with regards to FSAA than the Radeon R7 250X 2GB, and will be able to handle higher resolutions without slowing down too much. (explain)

Nvidia Titan X 136032 Mpixels/sec
Radeon R7 250X 2GB 16000 Mpixels/sec
Difference: 120032 (750%)

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

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Radeon R7 250X 2GB

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 Nvidia Titan X Radeon R7 250X 2GB
Manufacturer nVidia AMD
Year August 2016 February 2014
Code Name GP102-400 Cape Verde XT
Memory 12288 MB 2048 MB
Core Speed 1417 MHz 1000 MHz
Memory Speed 10008 MHz 4500 MHz
Power (Max TDP) 250 watts 95 watts
Bandwidth 491520 MB/sec 72000 MB/sec
Texel Rate 317408 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 136032 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 3584 640
Texture Mapping Units 224 40
Render Output Units 96 16
Bus Type GDDR5X GDDR5
Bus Width 384-bit 128-bit
Fab Process 16 nm 28 nm
Transistors 12000 million 1500 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 max amount of data (measured in megabytes per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This number 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 card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. 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 fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Nvidia Titan X

Amazon.com

Check prices at:

Radeon R7 250X 2GB

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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