GeForce GTX Titan vs Radeon R9 280

Intro

Compare those specifications to the Radeon R9 280, which has GPU clock speed of 933 MHz, and 3072 MB of GDDR5 memory set to run at 1250 MHz through a 384-bit bus. It also is made up of 1792 Stream Processors, 112 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		10162 points
Radeon R9 280		7961 points
	Difference: 2201 (28%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

In theory, the GeForce GTX Titan is 20% quicker than the Radeon R9 280 in general, due to its higher data rate. (explain)

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

Texel Rate

The GeForce GTX Titan should be much (approximately 79%) better at texture filtering 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 will be quite a bit (approximately 35%) more effective at full screen anti-aliasing than the Radeon R9 280, and will be able to handle higher resolutions more effectively. (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 maximum amount of data (counted in MB per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher 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 amount of texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.