GeForce GTX Titan X vs Radeon R9 280X

Intro

Compare those specifications to the Radeon R9 280X, which comes with a core clock frequency of 850 MHz and a GDDR5 memory frequency of 1500 MHz. It also makes use of a 384-bit memory bus, and uses a 28 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX Titan X		17879 points
Radeon R9 280X		8886 points
	Difference: 8993 (101%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

As far as performance goes, the GeForce GTX Titan X should theoretically be a bit better than the Radeon R9 280X in general. (explain)

GeForce GTX Titan X		336000 MB/sec
Radeon R9 280X		288000 MB/sec
	Difference: 48000 (17%)

Texel Rate

The GeForce GTX Titan X is much (about 76%) more effective at AF than the Radeon R9 280X. (explain)

GeForce GTX Titan X		192000 Mtexels/sec
Radeon R9 280X		108800 Mtexels/sec
	Difference: 83200 (76%)

Pixel Rate

The GeForce GTX Titan X will be quite a bit (more or less 253%) faster with regards to AA than the Radeon R9 280X, and also capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX Titan X		96000 Mpixels/sec
Radeon R9 280X		27200 Mpixels/sec
	Difference: 68800 (253%)

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

Specifications

Memory Bandwidth: Bandwidth is the max amount of data (in units of MB per second) that can be moved over the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the 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 maximum amount of pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core 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 fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.