in the SPECS of a processor you will see how many subprocessors channels cores as well as things like streaming units/processors. these give volume for the 128, 256 bit data transmissions.

124 being a bag is data and 256 or even 512 bit being a crate and a truckload of data..

the i 7 has up to 6 cores and runs at up to 140watt of power while the i5 is up to 4 core and runs cooler at about 65 watts so think along the pratical and who would want a over heated power eating 140watt in their laptop ? but a gammer or engineer loves the work horse

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