GeForce GT 440 1.5GB vs GeForce GTX 470

Intro

Compare all of that to the GeForce GTX 470, which features core speeds of 607 MHz on the GPU, and 837 MHz on the 1280 MB of GDDR5 RAM. It features 448 SPUs along with 56 Texture Address Units and 40 Rasterization Operator Units.

Display Graphs

Hide Graphs

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 470		2937 points
GeForce GT 440 1.5GB		840 points
	Difference: 2097 (250%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB		56 Watts
GeForce GTX 470		215 Watts
	Difference: 159 Watts (284%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 470 should theoretically be much superior to the GeForce GT 440 1.5GB overall. (explain)

GeForce GTX 470		133920 MB/sec
GeForce GT 440 1.5GB		43200 MB/sec
	Difference: 90720 (210%)

Texel Rate

The GeForce GTX 470 is a lot (more or less 138%) more effective at texture filtering than the GeForce GT 440 1.5GB. (explain)

GeForce GTX 470		33992 Mtexels/sec
GeForce GT 440 1.5GB		14256 Mtexels/sec
	Difference: 19736 (138%)

Pixel Rate

The GeForce GTX 470 should be quite a bit (more or less 70%) faster with regards to AA than the GeForce GT 440 1.5GB, and will be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 470		24280 Mpixels/sec
GeForce GT 440 1.5GB		14256 Mpixels/sec
	Difference: 10024 (70%)

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 megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

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