GeForce GTX 560 Ti 448 vs Radeon HD 7850

Intro

Compare all that to the Radeon HD 7850, which has core speeds of 860 MHz on the GPU, and 1200 MHz on the 2048 MB of GDDR5 memory. It features 1024 SPUs as well as 64 TAUs 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 Ti 448		4200 points
	Difference: 1000 (24%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7850		130 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 80 Watts (62%)

Memory Bandwidth

In theory, the Radeon HD 7850 should be 7% quicker than the GeForce GTX 560 Ti 448 overall, due to its higher data rate. (explain)

Radeon HD 7850		153600 MB/sec
GeForce GTX 560 Ti 448		144000 MB/sec
	Difference: 9600 (7%)

Texel Rate

The Radeon HD 7850 should be a lot (approximately 34%) more effective at texture filtering than the GeForce GTX 560 Ti 448. (explain)

Radeon HD 7850		55040 Mtexels/sec
GeForce GTX 560 Ti 448		40992 Mtexels/sec
	Difference: 14048 (34%)

Pixel Rate

The GeForce GTX 560 Ti 448 will be just a bit (approximately 6%) more effective at anti-aliasing than the Radeon HD 7850, and also will be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
Radeon HD 7850		27520 Mpixels/sec
	Difference: 1760 (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 (in units of MB per second) that can be transported across the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 again. If 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 number of texture map elements (texels) that are applied per second. This is worked out by multiplying the total 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card 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 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 quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.