GeForce GTX Titan X vs Radeon R9 280X

Intro

Compare all that to the Radeon R9 280X, which uses a 28 nm design. AMD has clocked the core speed at 850 MHz. The GDDR5 memory runs at a frequency of 1500 MHz on this specific card. It features 2048 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator 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

Performance-wise, the GeForce GTX Titan X should in theory be just 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 should be much (approximately 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 much (more or less 253%) better at AA than the Radeon R9 280X, and also should be capable of handling higher resolutions while still performing well. (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 largest amount of information (measured in megabytes per second) that can be transported over the external memory interface within a second. It is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better 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 texture map elements (texels) that are applied per second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.