GeForce GTX Titan vs Radeon R7 250X 2GB

Intro

Compare all that to the Radeon R7 250X 2GB, which features GPU clock speed of 1000 MHz, and 2048 MB of GDDR5 memory running at 1125 MHz through a 128-bit bus. It also is comprised of 640 Stream Processors, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X 2GB		95 Watts
GeForce GTX Titan		250 Watts
	Difference: 155 Watts (163%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX Titan will be 301% quicker than the Radeon R7 250X 2GB in general, due to its greater data rate. (explain)

GeForce GTX Titan		288384 MB/sec
Radeon R7 250X 2GB		72000 MB/sec
	Difference: 216384 (301%)

Texel Rate

The GeForce GTX Titan should be much (approximately 369%) better at AF than the Radeon R7 250X 2GB. (explain)

GeForce GTX Titan		187488 Mtexels/sec
Radeon R7 250X 2GB		40000 Mtexels/sec
	Difference: 147488 (369%)

Pixel Rate

The GeForce GTX Titan is a lot (more or less 151%) better at FSAA than the Radeon R7 250X 2GB, and also will be capable of handling higher resolutions better. (explain)

GeForce GTX Titan		40176 Mpixels/sec
Radeon R7 250X 2GB		16000 Mpixels/sec
	Difference: 24176 (151%)

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 largest amount of information (counted in megabytes per second) that can be transported over the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the video 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 maximum number of pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also 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 of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.