GeForce GTX 1080 vs Radeon HD 7950 3GB

Intro

Compare that to the Radeon HD 7950 3GB, which features GPU clock speed of 800 MHz, and 3072 MB of GDDR5 RAM set to run at 1250 MHz through a 384-bit bus. It also features 1792 Stream Processors, 112 Texture Address Units, 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.

Zcash Mining Hash Rate

GeForce GTX 1080		553 Sol/s
Radeon HD 7950 3GB		229 Sol/s
	Difference: 324 (141%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1080		180 Watts
Radeon HD 7950 3GB		200 Watts
	Difference: 20 Watts (11%)

Memory Bandwidth

In theory, the GeForce GTX 1080 is 37% faster than the Radeon HD 7950 3GB in general, because of its higher bandwidth. (explain)

GeForce GTX 1080		327680 MB/sec
Radeon HD 7950 3GB		240000 MB/sec
	Difference: 87680 (37%)

Texel Rate

The GeForce GTX 1080 is a lot (more or less 187%) more effective at texture filtering than the Radeon HD 7950 3GB. (explain)

GeForce GTX 1080		257120 Mtexels/sec
Radeon HD 7950 3GB		89600 Mtexels/sec
	Difference: 167520 (187%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 1080 is the winner, by a large margin. (explain)

GeForce GTX 1080		102848 Mpixels/sec
Radeon HD 7950 3GB		25600 Mpixels/sec
	Difference: 77248 (302%)

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 information (in units of MB per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.