GeForce GTX 465 vs Radeon HD 5750 512MB

Intro

Compare that to the Radeon HD 5750 512MB, which uses a 40 nm design. AMD has clocked the core speed at 700 MHz. The GDDR5 RAM is set to run at a frequency of 1150 MHz on this model. It features 720(144x5) SPUs along with 36 TAUs and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 512MB		86 Watts
GeForce GTX 465		200 Watts
	Difference: 114 Watts (133%)

Memory Bandwidth

Theoretically, the GeForce GTX 465 should perform a lot faster than the Radeon HD 5750 512MB overall. (explain)

GeForce GTX 465		102592 MB/sec
Radeon HD 5750 512MB		73600 MB/sec
	Difference: 28992 (39%)

Texel Rate

The GeForce GTX 465 is a small bit (about 6%) better at AF than the Radeon HD 5750 512MB. (explain)

GeForce GTX 465		26708 Mtexels/sec
Radeon HD 5750 512MB		25200 Mtexels/sec
	Difference: 1508 (6%)

Pixel Rate

The GeForce GTX 465 is quite a bit (more or less 73%) faster with regards to FSAA than the Radeon HD 5750 512MB, and should be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 465		19424 Mpixels/sec
Radeon HD 5750 512MB		11200 Mpixels/sec
	Difference: 8224 (73%)

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 max amount of information (in units of megabytes per second) that can be transferred past the external memory interface in a second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This number is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the 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 the video card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many 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.