GeForce GTX Titan X vs Radeon R9 280X

Intro

Compare those specifications to the Radeon R9 280X, which has GPU clock speed of 850 MHz, and 3072 MB of GDDR5 RAM running at 1500 MHz through a 384-bit bus. It also is comprised of 2048 Stream Processors, 128 TAUs, and 32 ROPs.

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

Theoretically, the GeForce GTX Titan X should be a bit faster than the Radeon R9 280X overall. (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 quite a bit (more or less 76%) more effective at texture filtering 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 should be quite a bit (about 253%) more effective at full screen anti-aliasing than the Radeon R9 280X, and should be able to handle higher resolutions better. (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: Memory bandwidth is the largest amount of data (counted in MB per second) that can be transported past the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high 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 of the card by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.