GeForce GT 430 1GB vs Radeon R9 M275X

Intro

Compare all of that to the Radeon R9 M275X, which features clock speeds of 900 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 RAM. It features 640 SPUs as well as 40 TAUs and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M275X		50 Watts
GeForce GT 430 1GB		60 Watts
	Difference: 10 Watts (20%)

Memory Bandwidth

As far as performance goes, the Radeon R9 M275X should theoretically be a lot superior to the GeForce GT 430 1GB in general. (explain)

Radeon R9 M275X		72000 MB/sec
GeForce GT 430 1GB		28800 MB/sec
	Difference: 43200 (150%)

Texel Rate

The Radeon R9 M275X is a lot (about 221%) better at anisotropic filtering than the GeForce GT 430 1GB. (explain)

Radeon R9 M275X		36000 Mtexels/sec
GeForce GT 430 1GB		11200 Mtexels/sec
	Difference: 24800 (221%)

Pixel Rate

The Radeon R9 M275X will be much (about 414%) better at AA than the GeForce GT 430 1GB, and will be capable of handling higher resolutions without losing too much performance. (explain)

Radeon R9 M275X		14400 Mpixels/sec
GeForce GT 430 1GB		2800 Mpixels/sec
	Difference: 11600 (414%)

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 largest amount of data (measured in MB per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 texture map elements (texels) that can be processed per second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record 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 - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of 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.