GeForce GT 430 1GB vs Radeon R9 285

Intro

Compare those specifications to the Radeon R9 285, which comes with a core clock speed of 918 MHz and a GDDR5 memory speed of 1375 MHz. It also makes use of a 256-bit memory bus, and makes use of a 28 nm design. It is made up of 1792 SPUs, 112 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 1GB		60 Watts
Radeon R9 285		190 Watts
	Difference: 130 Watts (217%)

Memory Bandwidth

In theory, the Radeon R9 285 should perform much faster than the GeForce GT 430 1GB overall. (explain)

Radeon R9 285		176000 MB/sec
GeForce GT 430 1GB		28800 MB/sec
	Difference: 147200 (511%)

Texel Rate

The Radeon R9 285 should be much (approximately 818%) better at texture filtering than the GeForce GT 430 1GB. (explain)

Radeon R9 285		102816 Mtexels/sec
GeForce GT 430 1GB		11200 Mtexels/sec
	Difference: 91616 (818%)

Pixel Rate

The Radeon R9 285 will be a lot (about 949%) better at full screen anti-aliasing than the GeForce GT 430 1GB, and also should be able to handle higher resolutions while still performing well. (explain)

Radeon R9 285		29376 Mpixels/sec
GeForce GT 430 1GB		2800 Mpixels/sec
	Difference: 26576 (949%)

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 (measured in MB per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total number of texture units by the core 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 processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.