GeForce GT 430 1GB vs Radeon HD 7750

Intro

Compare all that to the Radeon HD 7750, which has core clock speeds of 800 MHz on the GPU, and 1125 MHz on the 1024 MB of GDDR5 RAM. It features 512 SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750		55 Watts
GeForce GT 430 1GB		60 Watts
	Difference: 5 Watts (9%)

Memory Bandwidth

Performance-wise, the Radeon HD 7750 should theoretically be a lot superior to the GeForce GT 430 1GB in general. (explain)

Radeon HD 7750		72000 MB/sec
GeForce GT 430 1GB		28800 MB/sec
	Difference: 43200 (150%)

Texel Rate

The Radeon HD 7750 is quite a bit (about 129%) faster with regards to anisotropic filtering than the GeForce GT 430 1GB. (explain)

Radeon HD 7750		25600 Mtexels/sec
GeForce GT 430 1GB		11200 Mtexels/sec
	Difference: 14400 (129%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 7750 is superior to the GeForce GT 430 1GB, and very much so. (explain)

Radeon HD 7750		12800 Mpixels/sec
GeForce GT 430 1GB		2800 Mpixels/sec
	Difference: 10000 (357%)

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 max amount of data (counted in MB per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the interface width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

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