GeForce GTX 560 Ti 448 vs Radeon HD 6850

Intro

Compare those specifications to the Radeon HD 6850, which makes use of a 40 nm design. AMD has set the core speed at 775 MHz. The GDDR5 RAM works at a speed of 1000 MHz on this particular card. It features 960 SPUs along with 48 Texture Address Units and 32 Rasterization Operator 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

GeForce GTX 560 Ti 448		4200 points
Radeon HD 6850		2395 points
	Difference: 1805 (75%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6850		127 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 83 Watts (65%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 560 Ti 448 should theoretically be a bit better than the Radeon HD 6850 overall. (explain)

GeForce GTX 560 Ti 448		144000 MB/sec
Radeon HD 6850		128000 MB/sec
	Difference: 16000 (13%)

Texel Rate

The GeForce GTX 560 Ti 448 should be a bit (about 10%) faster with regards to anisotropic filtering than the Radeon HD 6850. (explain)

GeForce GTX 560 Ti 448		40992 Mtexels/sec
Radeon HD 6850		37200 Mtexels/sec
	Difference: 3792 (10%)

Pixel Rate

The GeForce GTX 560 Ti 448 is a little bit (more or less 18%) better at AA than the Radeon HD 6850, and will be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
Radeon HD 6850		24800 Mpixels/sec
	Difference: 4480 (18%)

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 data (counted in MB per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 texture map elements (texels) that are applied per second. This number is worked out by multiplying the total number of texture units 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 maximum amount of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.