GeForce GT 440 1.5GB vs GeForce GT 450 (OEM)

Intro

Compare those specifications to the GeForce GT 450 (OEM), which comes with core clock speeds of 790 MHz on the GPU, and 1000 MHz on the 1536 MB of GDDR5 memory. It features 144 SPUs as well as 24 Texture Address Units and 24 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB		56 Watts
GeForce GT 450 (OEM)		106 Watts
	Difference: 50 Watts (89%)

Memory Bandwidth

Performance-wise, the GeForce GT 450 (OEM) should theoretically be a lot superior to the GeForce GT 440 1.5GB overall. (explain)

GeForce GT 450 (OEM)		96000 MB/sec
GeForce GT 440 1.5GB		43200 MB/sec
	Difference: 52800 (122%)

Texel Rate

The GeForce GT 450 (OEM) should be a lot (approximately 33%) better at anisotropic filtering than the GeForce GT 440 1.5GB. (explain)

GeForce GT 450 (OEM)		18960 Mtexels/sec
GeForce GT 440 1.5GB		14256 Mtexels/sec
	Difference: 4704 (33%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GT 450 (OEM) is superior to the GeForce GT 440 1.5GB, by a large margin. (explain)

GeForce GT 450 (OEM)		18960 Mpixels/sec
GeForce GT 440 1.5GB		14256 Mpixels/sec
	Difference: 4704 (33%)

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 (measured in megabytes per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, 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 graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the card's clock speed. 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 quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.