GeForce GTX Titan vs Radeon R9 390 8G

Intro

Compare those specs to the Radeon R9 390 8G, which features GPU core speed of 1000 MHz, and 8192 MB of GDDR5 memory running at 1500 MHz through a 512-bit bus. It also features 2560 Stream Processors, 160 Texture Address Units, and 64 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

Radeon R9 390 8G		12733 points
GeForce GTX Titan		10162 points
	Difference: 2571 (25%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX Titan		250 Watts
Radeon R9 390 8G		275 Watts
	Difference: 25 Watts (10%)

Memory Bandwidth

In theory, the Radeon R9 390 8G should perform a lot faster than the GeForce GTX Titan overall. (explain)

Radeon R9 390 8G		384000 MB/sec
GeForce GTX Titan		288384 MB/sec
	Difference: 95616 (33%)

Texel Rate

The GeForce GTX Titan should be a bit (about 17%) better at AF than the Radeon R9 390 8G. (explain)

GeForce GTX Titan		187488 Mtexels/sec
Radeon R9 390 8G		160000 Mtexels/sec
	Difference: 27488 (17%)

Pixel Rate

The Radeon R9 390 8G should be quite a bit (about 59%) faster with regards to FSAA than the GeForce GTX Titan, and also able to handle higher screen resolutions while still performing well. (explain)

Radeon R9 390 8G		64000 Mpixels/sec
GeForce GTX Titan		40176 Mpixels/sec
	Difference: 23824 (59%)

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 maximum amount of data (measured in megabytes per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's 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 amount of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total number of texture units of the card by the core clock 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 a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. 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 memory bandwidth is, the lower the potential to get to the max fill rate.