GeForce GTX 560 vs Radeon HD 7850

Intro

Compare those specs to the Radeon HD 7850, which has core clock speeds of 860 MHz on the GPU, and 1200 MHz on the 2048 MB of GDDR5 RAM. It features 1024 SPUs as well as 64 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.

3DMark Fire Strike Graphics Score

Radeon HD 7850		5200 points
GeForce GTX 560		3030 points
	Difference: 2170 (72%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7850		130 Watts
GeForce GTX 560		150 Watts
	Difference: 20 Watts (15%)

Memory Bandwidth

Performance-wise, the Radeon HD 7850 should theoretically be just a bit better than the GeForce GTX 560 overall. (explain)

Radeon HD 7850		153600 MB/sec
GeForce GTX 560		128128 MB/sec
	Difference: 25472 (20%)

Texel Rate

The Radeon HD 7850 is much (more or less 21%) faster with regards to AF than the GeForce GTX 560. (explain)

Radeon HD 7850		55040 Mtexels/sec
GeForce GTX 560		45360 Mtexels/sec
	Difference: 9680 (21%)

Pixel Rate

The Radeon HD 7850 will be a small bit (more or less 6%) faster with regards to FSAA than the GeForce GTX 560, and also capable of handling higher resolutions while still performing well. (explain)

Radeon HD 7850		27520 Mpixels/sec
GeForce GTX 560		25920 Mpixels/sec
	Difference: 1600 (6%)

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 moved across the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total texture units of the card 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 amount of pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines 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 rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.