Update vs. Upgrade
Main DifferenceThe basic difference that exists between updating and upgrade is how these two methods are performed and which parts of hardware or software are affects by these two kind of services.

Difference Between Update and Upgrade
Update vs. Upgrade
Update mostly deals with the software and operating system of any computing devices while upgrade deals in both software and hardware.
Update vs. Upgrade
Update means making some changes in an existing product without actually replacing it. Upgrade means introducing something new or latest version of the previous product.
Update vs. Upgrade
Update is performed with the help of patches of codes released by developer or programmer as you see in form of Windows update notification. Upgrade means totally manufacturing the latest model or version also there exists some pattern of old product.
Update vs. Upgrade
Upgrade is something intangible development while upgrade is a form of tangible development.
Update vs. Upgrade
Update can be free and with price usually free as updating the existing version of MS Office. Upgrade means physically replacing a product so it means you have to purchase it from market that results in cost.
Update vs. Upgrade
Updates are more necessary as compare to upgrade.
Updatenoun
An advisement providing more up-to-date information than currently known.
He gave me an update on the situation in New York.Upgradenoun
An upward grade or slope.
Updatenoun
A change in information, a modification of existing or known data.
I just made an update to the Wikipedia article on guerillas.Upgradenoun
An improved component or replacement item, usually applied to technology
With my phone company, I get a free upgrade every twelve months if I keep topping up 10 pounds a month.Updatenoun
An additional piece of information. An addition to existing information.
I just made an update to my blog about my trip to Rome.Upgradenoun
An improvement
The remarried couples among my friends often joked that their divorce and remarriage amounted to an upgrade.Updatenoun
A modification of something to a more recent, up-to-date version; (in software) a minor upgrade.
Our database receives an update every morning at 3 AM.I have a couple of updates to install on your laptop.Upgradeverb
(transitive) To improve, usually applied to technology, generally by complete replacement of one or more components
When you upgrade your standard of living, you become addicted to that standard of living.Updatenoun
A version of something which is newer than other versions.
You should try the update: it rocks.Upgradeverb
(transitive) To replace with something better.
I had to upgrade my anti-virus software to protect my computer from the newer threats.Updateverb
(transitive) To bring (a thing) up to date.
I need to update my records to take account of the most recent transaction.Upgradeverb
(transitive) To improve the equipment or furnishings of or services rendered to
They upgraded him to the latest model.They were upgraded to first class.Updateverb
(transitive) To bring (a person) up to date: to inform (a person) about recent developments.
Update me on what happened while I was away.Upgradeverb
(intransitive) To improve in condition or status.
She upgraded to a more successful husband.Updatenoun
news that updates your information
Upgradeverb
To replace a program with a later version of itself, a version having a higher version number or marketed under a more recent product name. en
Updateverb
modernize or bring up to date;
We updated the kitchen in the old houseUpgradeadverb
Up a slope or grade.
Updateverb
bring up to date; supply with recent information
Upgradenoun
an upward slope or grade (as in a road);
the car couldn't make it up the riseUpdateverb
bring to the latest state of technology
Upgradenoun
software that provides better performance than an earlier version did
Upgradenoun
a reservation that is upgraded;
I got an upgrade to first class when coach class was fullUpgradenoun
the property possessed by a slope or surface that rises
Upgradenoun
hardware that provides better performance than an earlier version did
Upgradenoun
the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components);
the power plant received a new upgradeUpgradeverb
rate higher; raise in value or esteem
Upgradeverb
to improve, especially something that was old or outdated;
I've upgraded my computer so I can run better softwareThe company upgraded their personnelUpgradeverb
give a promotion to or assign to a higher position;
John was kicked upstairs when a replacement was hiredWomen tend not to advance in the major law firmsI got promoted after many years of hard workUpgradeverb
get better travel conditions;
I upgraded to First Class when Coach Class was overbookedUpgradeverb
give better travel conditions to;
The airline upgraded me when I arrived late and Coach Class was fullWhat is Update?
Updating means modernizing, improving, overhauling, or bringing something new and up to date version in a product with the help of patches of codes released by software developer or operator. Update is generally associated with software or operating system of any computing device. Update basically fix those problems of a program or software that were either not present at the time of development or mistakenly forgotten by the developer. So, in update there is no kind of physical replacement of product. It simple means to bring up the old version of a software to the latest version without actually replacing it.
What is Upgrade?
Upgrade means replacing the old product or commodity with a completely new version of the same product or commodity. The term upgrade mostly used with computing and electronic appliances and stands for replacement of a hardware, software or any part with a newer and better version with the aim of improving the characteristics of the product. In upgradation of computers, common examples includes installing additional RAM, replacing larger space hard disks with low space hard disks, replacing processor or graphics cards or installing a latest versions of software.