GeForce 9500 GT 512MB GDDR3 vs GeForce GT 440 3GB

Intro

Compare that to the GeForce GT 440 3GB, which comes with a core clock speed of 594 MHz and a GDDR3 memory speed of 900 MHz. It also uses a 192-bit bus, and uses a 40 nm design. It is comprised of 144 SPUs, 24 Texture Address Units, and 24 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 512MB GDDR3		50 Watts
GeForce GT 440 3GB		56 Watts
	Difference: 6 Watts (12%)

Memory Bandwidth

Performance-wise, the GeForce GT 440 3GB should theoretically be quite a bit better than the GeForce 9500 GT 512MB GDDR3 in general. (explain)

GeForce GT 440 3GB		43200 MB/sec
GeForce 9500 GT 512MB GDDR3		25600 MB/sec
	Difference: 17600 (69%)

Texel Rate

The GeForce GT 440 3GB will be much (more or less 62%) faster with regards to AF than the GeForce 9500 GT 512MB GDDR3. (explain)

GeForce GT 440 3GB		14256 Mtexels/sec
GeForce 9500 GT 512MB GDDR3		8800 Mtexels/sec
	Difference: 5456 (62%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GT 440 3GB is a better choice, by a large margin. (explain)

GeForce GT 440 3GB		14256 Mpixels/sec
GeForce 9500 GT 512MB GDDR3		4400 Mpixels/sec
	Difference: 9856 (224%)

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 maximum amount of information (measured in MB per second) that can be transferred 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 it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.