GeForce 920M vs GeForce GT 430 1GB

Intro

Compare all that to the GeForce GT 430 1GB, which uses a 40 nm design. nVidia has clocked the core speed at 700 MHz. The GDDR3 memory is set to run at a frequency of 900 MHz on this particular model. It features 96 SPUs along with 16 Texture Address Units and 4 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GT 430 1GB should theoretically perform a lot faster than the GeForce 920M overall. (explain)

GeForce GT 430 1GB		28800 MB/sec
GeForce 920M		14400 MB/sec
	Difference: 14400 (100%)

Texel Rate

The GeForce 920M will be quite a bit (approximately 173%) faster with regards to texture filtering than the GeForce GT 430 1GB. (explain)

GeForce 920M		30528 Mtexels/sec
GeForce GT 430 1GB		11200 Mtexels/sec
	Difference: 19328 (173%)

Pixel Rate

The GeForce 920M is a lot (approximately 173%) better at AA than the GeForce GT 430 1GB, and also able to handle higher resolutions without losing too much performance. (explain)

GeForce 920M		7632 Mpixels/sec
GeForce GT 430 1GB		2800 Mpixels/sec
	Difference: 4832 (173%)

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 information (counted in MB per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen 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 clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory per 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 - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.