GeForce GT 430 vs Radeon R7 240

Intro

Compare all of that to the Radeon R7 240, which comes with a clock frequency of 730 MHz and a DDR3 memory frequency of 900 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It features 320 SPUs, 20 Texture Address Units, and 8 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240		30 Watts
GeForce GT 430		60 Watts
	Difference: 30 Watts (100%)

Memory Bandwidth

Both cards have the exact same bandwidth, so theoretically they should perform the same. (explain)

Texel Rate

The Radeon R7 240 is a lot (about 30%) faster with regards to AF than the GeForce GT 430. (explain)

Radeon R7 240		14600 Mtexels/sec
GeForce GT 430		11200 Mtexels/sec
	Difference: 3400 (30%)

Pixel Rate

The Radeon R7 240 will be a lot (approximately 109%) faster with regards to AA than the GeForce GT 430, and also should be capable of handling higher resolutions more effectively. (explain)

Radeon R7 240		5840 Mpixels/sec
GeForce GT 430		2800 Mpixels/sec
	Difference: 3040 (109%)

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 maximum amount of information (measured in MB per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

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