GeForce GT 440 1.5GB vs GeForce GTX 280

Intro

Compare all of that to the GeForce GTX 280, which comes with core speeds of 602 MHz on the GPU, and 1107 MHz on the 1024 MB of GDDR3 memory. It features 240 SPUs as well as 80 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB		56 Watts
GeForce GTX 280		236 Watts
	Difference: 180 Watts (321%)

Memory Bandwidth

In theory, the GeForce GTX 280 should perform a lot faster than the GeForce GT 440 1.5GB in general. (explain)

GeForce GTX 280		141696 MB/sec
GeForce GT 440 1.5GB		43200 MB/sec
	Difference: 98496 (228%)

Texel Rate

The GeForce GTX 280 is a lot (about 238%) faster with regards to texture filtering than the GeForce GT 440 1.5GB. (explain)

GeForce GTX 280		48160 Mtexels/sec
GeForce GT 440 1.5GB		14256 Mtexels/sec
	Difference: 33904 (238%)

Pixel Rate

The GeForce GTX 280 should be quite a bit (approximately 35%) more effective at AA than the GeForce GT 440 1.5GB, and also should be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 280		19264 Mpixels/sec
GeForce GT 440 1.5GB		14256 Mpixels/sec
	Difference: 5008 (35%)

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 maximum amount of information (measured in MB per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better 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 are applied per second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its 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 the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.