GeForce GT 440 3GB vs Radeon HD 3650

Intro

Compare those specifications to the Radeon HD 3650, which comes with a clock speed of 725 MHz and a GDDR4 memory speed of 800 MHz. It also makes use of a 128-bit bus, and makes use of a 55 nm design. It is made up of 120(24x5) SPUs, 8 Texture Address Units, and 4 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 3GB		56 Watts
Radeon HD 3650		78 Watts
	Difference: 22 Watts (39%)

Memory Bandwidth

Performance-wise, the GeForce GT 440 3GB should theoretically be a lot better than the Radeon HD 3650 overall. (explain)

GeForce GT 440 3GB		43200 MB/sec
Radeon HD 3650		25600 MB/sec
	Difference: 17600 (69%)

Texel Rate

The GeForce GT 440 3GB is quite a bit (more or less 146%) faster with regards to AF than the Radeon HD 3650. (explain)

GeForce GT 440 3GB		14256 Mtexels/sec
Radeon HD 3650		5800 Mtexels/sec
	Difference: 8456 (146%)

Pixel Rate

The GeForce GT 440 3GB will be quite a bit (more or less 392%) faster with regards to anti-aliasing than the Radeon HD 3650, and should be able to handle higher resolutions better. (explain)

GeForce GT 440 3GB		14256 Mpixels/sec
Radeon HD 3650		2900 Mpixels/sec
	Difference: 11356 (392%)

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 data (measured in MB per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This is calculated 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.