GeForce GT 340 1GB vs Radeon HD 3650

Intro

Compare those specifications to the Radeon HD 3650, which comes with a core clock speed of 725 MHz and a GDDR4 memory frequency of 800 MHz. It also makes use of a 128-bit bus, and uses a 55 nm design. It features 120(24x5) SPUs, 8 TAUs, and 4 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 1GB		69 Watts
Radeon HD 3650		78 Watts
	Difference: 9 Watts (13%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 340 1GB should be a lot faster than the Radeon HD 3650 in general. (explain)

GeForce GT 340 1GB		54400 MB/sec
Radeon HD 3650		25600 MB/sec
	Difference: 28800 (113%)

Texel Rate

The GeForce GT 340 1GB should be quite a bit (approximately 203%) faster with regards to anisotropic filtering than the Radeon HD 3650. (explain)

GeForce GT 340 1GB		17600 Mtexels/sec
Radeon HD 3650		5800 Mtexels/sec
	Difference: 11800 (203%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GT 340 1GB is the winner, by a large margin. (explain)

GeForce GT 340 1GB		4400 Mpixels/sec
Radeon HD 3650		2900 Mpixels/sec
	Difference: 1500 (52%)

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 (in units of MB per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the 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 number of texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated 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 also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.