is usually very difficult to compare processors on just cores and GHz.
10 year old processors with 4 cores running at 2.5Ghz will be far
slower than a modern quad core 2.5 GHz processor. Things like improved
branch prediction, improved CPU caches, better pipelining, etc. are
making the difference, not the number of cores and clock speed.
The only way you can really tell is by benchmarks. Quad
core..although 8 cores will give you more functionality,like better
multitasking, most apps are not built for use on more than 2-4 cores,
which means they are usually unable to utilise the processors as
efficiently as required.Also when you say 8 cores,all cores will not be
running at any instance. And in this case the octacore is clearly
outstripped by the quad,since any advantage the octa has in terms of
load sharing is matched by the superior speed of the quad.
ps.If this is what the question is realy about,the nexus 5 really beats the canvas knight on all counts except the battery. If
you do lots of parallel work (gaming and simultaneously running apps in
background or for instance running 8 apps in background) then go for
octa core 1.7 Ghz It will handle better. If you want to get things
done faster and would not do much multitasking (like running 4 apps in
background) then go for 2.2Ghz quad core processor.
In short if the ram of you phone is less than or equal to 2gb then quad core.
And if the ram of your phone in more than 2 gb than octa core. LIKE A GAMMING PERFORMANCE
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WHAT IS ROOT ?????????????? Many pepols dont know About root
“Rooting” your device means obtaining “superuser” rights and permissions to your Android’s software. With these elevated user privileges, you gain the ability to load custom software (ROM’s), install custom themes, increase performance, increase battery life, and the ability to install software that would otherwise cost extra money (ex: WiFi tethering). Rooting is essentially “hacking” your Android device. In the iPhone world, this would be the equivalent to “Jailbreaking” your phone.