GeForce GTX Titan vs Radeon R9 290

Intro

Compare those specifications to the Radeon R9 290, which comes with a GPU core clock speed of 800 MHz, and 4096 MB of GDDR5 RAM running at 1250 MHz through a 512-bit bus. It also is made up of 2560 SPUs, 160 Texture Address Units, and 64 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 290		9876 points
	Difference: 286 (3%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX Titan		250 Watts
Radeon R9 290		300 Watts
	Difference: 50 Watts (20%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 290 should be 11% quicker than the GeForce GTX Titan overall, because of its higher data rate. (explain)

Radeon R9 290		320000 MB/sec
GeForce GTX Titan		288384 MB/sec
	Difference: 31616 (11%)

Texel Rate

The GeForce GTX Titan will be quite a bit (approximately 46%) better at AF than the Radeon R9 290. (explain)

GeForce GTX Titan		187488 Mtexels/sec
Radeon R9 290		128000 Mtexels/sec
	Difference: 59488 (46%)

Pixel Rate

The Radeon R9 290 will be quite a bit (about 27%) more effective at anti-aliasing than the GeForce GTX Titan, and should be able to handle higher screen resolutions better. (explain)

Radeon R9 290		51200 Mpixels/sec
GeForce GTX Titan		40176 Mpixels/sec
	Difference: 11024 (27%)

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 (in units of megabytes per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core 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 output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.