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GeForce GTX Titan vs Radeon R9 290X

Intro

The GeForce GTX Titan comes with core speeds of 837 MHz on the GPU, and 1502 MHz on the 6144 MB of GDDR5 RAM. It features 2688 SPUs as well as 224 TAUs and 48 Rasterization Operator Units.

Compare that to the Radeon R9 290X, which has GPU core speed of 800 MHz, and 4096 MB of GDDR5 RAM set to run at 1250 MHz through a 512-bit bus. It also is made up of 2816 Stream Processors, 176 Texture Address Units, and 64 ROPs.

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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

Radeon R9 290X		10609 points
GeForce GTX Titan		10162 points
	Difference: 447 (4%)

Grand Theft Auto V | 1920x1080 | Very High

Radeon R9 290X		60 FPS
GeForce GTX Titan		52 FPS
	Difference: 8 (15%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Theoretically speaking, the Radeon R9 290X should be 11% quicker than the GeForce GTX Titan overall, due to its higher bandwidth. (explain)

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

Texel Rate

The GeForce GTX Titan is quite a bit (approximately 33%) faster with regards to AF than the Radeon R9 290X. (explain)

GeForce GTX Titan		187488 Mtexels/sec
Radeon R9 290X		140800 Mtexels/sec
	Difference: 46688 (33%)

Pixel Rate

The Radeon R9 290X should be a lot (more or less 27%) better at FSAA than the GeForce GTX Titan, and also should be able to handle higher screen resolutions better. (explain)

Radeon R9 290X		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

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GeForce GTX Titan

Amazon.com

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Radeon R9 290X

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model	GeForce GTX Titan	Radeon R9 290X
Manufacturer	nVidia	AMD
Year	February 2013	October 2013
Code Name	GK110	Hawaii XT
Memory	6144 MB	4096 MB
Core Speed	837 MHz	800 MHz
Memory Speed	6008 MHz	5000 MHz
Power (Max TDP)	250 watts	300 watts
Bandwidth	288384 MB/sec	320000 MB/sec
Texel Rate	187488 Mtexels/sec	140800 Mtexels/sec
Pixel Rate	40176 Mpixels/sec	51200 Mpixels/sec
Unified Shaders	2688	2816
Texture Mapping Units	224	176
Render Output Units	48	64
Bus Type	GDDR5	GDDR5
Bus Width	384-bit	512-bit
Fab Process	28 nm	28 nm
Transistors	7080 million	6200 million
Bus	PCIe 3.0 x16	PCIe 3.0 x16
DirectX Version	DirectX 11.0	DirectX 11.2
OpenGL Version	OpenGL 4.3	OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transferred past the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

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

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