GeForce GTX 460 vs Radeon HD 3650

Intro

Compare those specifications to the Radeon HD 3650, which features core clock speeds of 725 MHz on the GPU, and 800 MHz on the 1024 MB of GDDR4 memory. It features 120(24x5) SPUs as well as 8 TAUs and 4 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 3650		78 Watts
GeForce GTX 460		150 Watts
	Difference: 72 Watts (92%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 should perform quite a bit faster than the Radeon HD 3650 in general. (explain)

GeForce GTX 460		86400 MB/sec
Radeon HD 3650		25600 MB/sec
	Difference: 60800 (238%)

Texel Rate

The GeForce GTX 460 will be much (about 552%) faster with regards to AF than the Radeon HD 3650. (explain)

GeForce GTX 460		37800 Mtexels/sec
Radeon HD 3650		5800 Mtexels/sec
	Difference: 32000 (552%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 460 is a better choice, and very much so. (explain)

GeForce GTX 460		16200 Mpixels/sec
Radeon HD 3650		2900 Mpixels/sec
	Difference: 13300 (459%)

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: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 amount of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill 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 max fill rate.