GeForce GT 1030 vs GeForce GT 440 1.5GB

Intro

Compare those specs to the GeForce GT 440 1.5GB, which features clock speeds of 594 MHz on the GPU, and 900 MHz on the 1536 MB of GDDR3 RAM. It features 144 SPUs as well as 24 Texture Address Units and 24 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 1030		30 Watts
GeForce GT 440 1.5GB		56 Watts
	Difference: 26 Watts (87%)

Memory Bandwidth

As far as performance goes, the GeForce GT 1030 should in theory be a small bit better than the GeForce GT 440 1.5GB overall. (explain)

GeForce GT 1030		49152 MB/sec
GeForce GT 440 1.5GB		43200 MB/sec
	Difference: 5952 (14%)

Texel Rate

The GeForce GT 1030 should be a lot (about 184%) more effective at AF than the GeForce GT 440 1.5GB. (explain)

GeForce GT 1030		40480 Mtexels/sec
GeForce GT 440 1.5GB		14256 Mtexels/sec
	Difference: 26224 (184%)

Pixel Rate

The GeForce GT 1030 will be much (approximately 42%) more effective at full screen anti-aliasing than the GeForce GT 440 1.5GB, and will be capable of handling higher resolutions more effectively. (explain)

GeForce GT 1030		20240 Mpixels/sec
GeForce GT 440 1.5GB		14256 Mpixels/sec
	Difference: 5984 (42%)

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 max amount of information (in units of megabytes per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated 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 outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.