Geforce GTX 680 vs Radeon HD 7850

Intro

Compare all that to the Radeon HD 7850, which uses a 28 nm design. AMD has set the core speed at 860 MHz. The GDDR5 RAM runs at a speed of 1200 MHz on this specific card. It features 1024 SPUs as well as 64 TAUs and 32 Rasterization Operator Units.

Display Graphs

Hide Graphs

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 680		7650 points
Radeon HD 7850		5200 points
	Difference: 2450 (47%)

Ethereum Mining Hash Rate

Geforce GTX 680		16 Mh/s
Radeon HD 7850		13 Mh/s
	Difference: 3 (23%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7850		130 Watts
Geforce GTX 680		195 Watts
	Difference: 65 Watts (50%)

Memory Bandwidth

The Geforce GTX 680 should theoretically perform much faster than the Radeon HD 7850 overall. (explain)

Geforce GTX 680		192256 MB/sec
Radeon HD 7850		153600 MB/sec
	Difference: 38656 (25%)

Texel Rate

The Geforce GTX 680 should be a lot (more or less 134%) better at AF than the Radeon HD 7850. (explain)

Geforce GTX 680		128768 Mtexels/sec
Radeon HD 7850		55040 Mtexels/sec
	Difference: 73728 (134%)

Pixel Rate

If using high levels of AA is important to you, then the Geforce GTX 680 is the winner, though not by far. (explain)

Geforce GTX 680		32192 Mpixels/sec
Radeon HD 7850		27520 Mpixels/sec
	Difference: 4672 (17%)

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 max amount of information (counted in MB per second) that can be transferred past the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines 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 fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.