GeForce GTX 560 vs Radeon HD 3650

Intro

Compare those specifications to the Radeon HD 3650, which comes with GPU core speed of 725 MHz, and 1024 MB of GDDR4 memory running at 800 MHz through a 128-bit bus. It also is comprised of 120(24x5) SPUs, 8 TAUs, and 4 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 3650		78 Watts
GeForce GTX 560		150 Watts
	Difference: 72 Watts (92%)

Memory Bandwidth

The GeForce GTX 560, in theory, should perform a lot faster than the Radeon HD 3650 overall. (explain)

GeForce GTX 560		128128 MB/sec
Radeon HD 3650		25600 MB/sec
	Difference: 102528 (401%)

Texel Rate

The GeForce GTX 560 should be much (more or less 682%) faster with regards to AF than the Radeon HD 3650. (explain)

GeForce GTX 560		45360 Mtexels/sec
Radeon HD 3650		5800 Mtexels/sec
	Difference: 39560 (682%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 560 is superior to the Radeon HD 3650, and very much so. (explain)

GeForce GTX 560		25920 Mpixels/sec
Radeon HD 3650		2900 Mpixels/sec
	Difference: 23020 (794%)

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 largest amount of information (counted in MB per second) that can be transported over the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory speed. If the card has 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 number of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the video 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 the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.