GeForce GT 430 1GB vs Radeon HD 5750 1GB

Intro

Compare all that to the Radeon HD 5750 1GB, which has a clock frequency of 700 MHz and a GDDR5 memory speed of 1150 MHz. It also features a 128-bit bus, and makes use of a 40 nm design. It features 720(144x5) SPUs, 36 TAUs, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 1GB		60 Watts
Radeon HD 5750 1GB		86 Watts
	Difference: 26 Watts (43%)

Memory Bandwidth

In theory, the Radeon HD 5750 1GB should be 156% quicker than the GeForce GT 430 1GB overall, because of its greater bandwidth. (explain)

Radeon HD 5750 1GB		73600 MB/sec
GeForce GT 430 1GB		28800 MB/sec
	Difference: 44800 (156%)

Texel Rate

The Radeon HD 5750 1GB is much (about 125%) better at anisotropic filtering than the GeForce GT 430 1GB. (explain)

Radeon HD 5750 1GB		25200 Mtexels/sec
GeForce GT 430 1GB		11200 Mtexels/sec
	Difference: 14000 (125%)

Pixel Rate

The Radeon HD 5750 1GB should be a lot (more or less 300%) faster with regards to AA than the GeForce GT 430 1GB, and also able to handle higher screen resolutions while still performing well. (explain)

Radeon HD 5750 1GB		11200 Mpixels/sec
GeForce GT 430 1GB		2800 Mpixels/sec
	Difference: 8400 (300%)

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 MB per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the 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 number of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.