GeForce GT 440 1.5GB vs GeForce GTX 570

Intro

Compare those specifications to the GeForce GTX 570, which uses a 40 nm design. nVidia has set the core frequency at 732 MHz. The GDDR5 memory works at a speed of 950 MHz on this card. It features 480 SPUs along with 60 TAUs and 40 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 570		4387 points
GeForce GT 440 1.5GB		840 points
	Difference: 3547 (422%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB		56 Watts
GeForce GTX 570		219 Watts
	Difference: 163 Watts (291%)

Memory Bandwidth

Performance-wise, the GeForce GTX 570 should theoretically be much superior to the GeForce GT 440 1.5GB in general. (explain)

GeForce GTX 570		152000 MB/sec
GeForce GT 440 1.5GB		43200 MB/sec
	Difference: 108800 (252%)

Texel Rate

The GeForce GTX 570 will be quite a bit (about 208%) faster with regards to AF than the GeForce GT 440 1.5GB. (explain)

GeForce GTX 570		43920 Mtexels/sec
GeForce GT 440 1.5GB		14256 Mtexels/sec
	Difference: 29664 (208%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 570 is superior to the GeForce GT 440 1.5GB, by a large margin. (explain)

GeForce GTX 570		29280 Mpixels/sec
GeForce GT 440 1.5GB		14256 Mpixels/sec
	Difference: 15024 (105%)

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 megabytes per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 texture map elements (texels) that can be processed per second. This figure 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.