GeForce GT 230 vs GeForce GTX 285 1GB

Intro

Compare all of that to the GeForce GTX 285 1GB, which makes use of a 55 nm design. nVidia has set the core speed at 648 MHz. The GDDR3 memory is set to run at a speed of 1242 MHz on this card. It features 240 SPUs as well as 80 Texture Address Units and 32 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230		65 Watts
GeForce GTX 285 1GB		204 Watts
	Difference: 139 Watts (214%)

Memory Bandwidth

The GeForce GTX 285 1GB, in theory, should perform a lot faster than the GeForce GT 230 overall. (explain)

GeForce GTX 285 1GB		158976 MB/sec
GeForce GT 230		38400 MB/sec
	Difference: 120576 (314%)

Texel Rate

The GeForce GTX 285 1GB should be quite a bit (more or less 489%) more effective at anisotropic filtering than the GeForce GT 230. (explain)

GeForce GTX 285 1GB		51840 Mtexels/sec
GeForce GT 230		8800 Mtexels/sec
	Difference: 43040 (489%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 285 1GB is superior to the GeForce GT 230, and very much so. (explain)

GeForce GTX 285 1GB		20736 Mpixels/sec
GeForce GT 230		4400 Mpixels/sec
	Difference: 16336 (371%)

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 largest amount of data (counted in MB per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the interface width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs 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 - the lower the bandwidth is, the lower the ability to get to the max fill rate.