GeForce GT 440 1.5GB vs GeForce GTX 550 Ti

Intro

Compare those specifications to the GeForce GTX 550 Ti, which has a GPU core clock speed of 900 MHz, and 1024 MB of GDDR5 RAM running at 1026 MHz through a 192-bit bus. It also is comprised of 192 Stream Processors, 32 Texture Address Units, and 24 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 550 Ti		1897 points
GeForce GT 440 1.5GB		840 points
	Difference: 1057 (126%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB		56 Watts
GeForce GTX 550 Ti		116 Watts
	Difference: 60 Watts (107%)

Memory Bandwidth

The GeForce GTX 550 Ti, in theory, should perform much faster than the GeForce GT 440 1.5GB in general. (explain)

GeForce GTX 550 Ti		98496 MB/sec
GeForce GT 440 1.5GB		43200 MB/sec
	Difference: 55296 (128%)

Texel Rate

The GeForce GTX 550 Ti will be quite a bit (approximately 102%) faster with regards to anisotropic filtering than the GeForce GT 440 1.5GB. (explain)

GeForce GTX 550 Ti		28800 Mtexels/sec
GeForce GT 440 1.5GB		14256 Mtexels/sec
	Difference: 14544 (102%)

Pixel Rate

The GeForce GTX 550 Ti is a lot (about 52%) faster with regards to AA than the GeForce GT 440 1.5GB, and capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 550 Ti		21600 Mpixels/sec
GeForce GT 440 1.5GB		14256 Mpixels/sec
	Difference: 7344 (52%)

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 information (measured in megabytes per second) that can be transferred past the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster 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 applied per second. This number is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.