GeForce GTX Titan vs Radeon R9 280

Intro

Compare all of that to the Radeon R9 280, which has a clock frequency of 933 MHz and a GDDR5 memory speed of 1250 MHz. It also features a 384-bit memory bus, and makes use of a 28 nm design. It features 1792 SPUs, 112 TAUs, 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		10162 points
Radeon R9 280		7961 points
	Difference: 2201 (28%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The GeForce GTX Titan should theoretically perform just a bit faster than the Radeon R9 280 in general. (explain)

GeForce GTX Titan		288384 MB/sec
Radeon R9 280		240000 MB/sec
	Difference: 48384 (20%)

Texel Rate

The GeForce GTX Titan should be quite a bit (approximately 79%) more effective at AF than the Radeon R9 280. (explain)

GeForce GTX Titan		187488 Mtexels/sec
Radeon R9 280		104496 Mtexels/sec
	Difference: 82992 (79%)

Pixel Rate

The GeForce GTX Titan should be a lot (about 35%) better at AA than the Radeon R9 280, and also capable of handling higher resolutions better. (explain)

GeForce GTX Titan		40176 Mpixels/sec
Radeon R9 280		29856 Mpixels/sec
	Difference: 10320 (35%)

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 max amount of information (counted in MB per second) that can be transferred over the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher 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 can be applied per second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

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