Nah but Shalidor can kick a Greybeards ass.

And if it does not kill it will still cause destruction and emit force. Simply by mumbling "Dovahkiin" the temple of High Hrothgar shakes and when they summon you the entire mountain shakes.

Shadow target. it creates a ghost Greybeard who will also attack (and draw hostiles). it's like an illusion spell

What about the people were traveling on the mountain. They seemed fine.

Not sure, but it may be that the killing range for non-shout speaking is not long enough to reach down the mountain?

I wouldn't trust Traven against a mudcrab. I doubt he earned his position as Arch-mage.

So because the power is uncontrolable it means it wins?
Magic can make the entire island the Psijic inhabbit disapear from reality and reappear if they wish, it has artifacts such as the Eye of Magnus, The Artifacts, Keening, Sunder and Wraithguard designed to harness the power of Heart of Lorkhan. It was magic that kept Baar Dau otherwise known as the Ministry of Truth from crashing into Morrowind. Tiber Septim had the Voice but I think the The Numidium a magic artifact had more to do with his conquest of Tamriel then his active use of the voice.

No, I didn't say it meant he'd win. As I pointed out the Master Mage and the Tongue would be able to counter just about every thing they could throw at eachother, but the side effects of the Thu'um would give an advatage since everytime he speak something will happen even if it is not a shout.

I am playing the devils advocate, I haven't taken a stance of my own.

Yes but that something happening won't necessarally be good for the Master Of The Voice. Say they're standing on a snowy mountain and the Master of the Voice makes the ground sake..... you don't want the ground shaking on a snowy mountain avalanche anyone? The side effects of the Thu'um could easily be fatal to the user.

Well, that could be equally fatal to the mage, but it happens to be that the setting is the plains of Whiterun as the OP stated so let us discuss with those terms. In the open field the force emited will be in the Tongues favor.

Not necessarily the ground shaking could knock the Tongues master off his feet while the levitating mage remains standing.

thank you for your examples. People still see this from a game perspective but if you look at the lore things change.
the Psijic are a good example just like the fight Galerion against Mannimarco who also made a mountain shake with their spells and Mannimarco raising a whole army of Undead.
Besides Masters of the Voice are still normal mortals who age and eventually die. Divayth Fyr is over 4000 years old and still kicking. So magic has also a few tricks up its sleeve which the Voice cant match.

Edit: Mannimarco has also a spell which could instantly kill you and turn you into of his minions

And the force would also hit the mage as it is not specific to create shaking in the earth. There is no point in arguing it, it would affect the mage and the Tongue would be aware fo the effects. The Greybeards seem comletely unaffected by High Hrothgar shaking so why a Tongue would not is beyond me.

Neither are your non voice companions so your claim it always do something is rather dubious.

True, but I put that on a flaw in the gamedesign or an oversight. Why? Because the Greybeards themselves confirm that anyone not trained in the voice could be killed by one of them speaking. An inconsistency of gameplay and lore stated in the game. I am sure most ES fans are aware that these are not uncommon?

Actually aren't the greybeards pretty much impossible to knockdown? Everytime I've used Fus Ro Dah on them they definitely feel it but don't fall to the ground or get thrown like everyone else. I would think a little earth shaking wouldn't make them lose their balance too much. As balance goes i think the Greybeards have an advantage.

They are too powerful to be knocked down by Unrelenting Force, yes.

A thing I haven't seen mentioned is the ability to summon another Tongue from Sovngarde. Seems useful.

Anyone hit by an incinerate spell could be killed by it whats the difference? A mage can control his power but obviously a master of the voice can not which is a weakness.

A mage can reanimate other mages(or a tonque user for that matter). And in the past mages have demonstrated the ability to summon spirits and even other spell casters in the form of Liches.

In Five Songs of King Wulfharth it is presented as a side effect of the Tongue being powerful and not as him not being able to control it. http://www.uesp.net/wiki/Lore:Five_Songs_of_King_Wulfharth

"His thu'um was so powerful that he could not verbally swear into the office" - About Wulfharth

Another thing that is interesting by the Thu'um is that it can remove the immortality from Dragons and even Alduin himself.

At the end of the day we do not and cannot decide who would win as there are arguments both ways. Unless the lore writers take a stand we will likely never know.

The fact that masters of the tonque are gagged or simply refuse to speak so they won't accidently hurt someone is absolute proof they can't control the ability. If Wulfharth had true control over his power he'd have been able to recite the oath. The fact that he can't because is voice is so powerful is proof he can't control the ability.

The dragons aren't really immortal they can simply be brought back from the dead anyone of sufficent power can kill a dragon the problem is the voice can return a dead dragon to life unless the dragonborn has absorbed his soul.(which is a function of him having a dragon soul) The Greybeards despite being masters of the voice can't actually prevent a dragon from being resurrected as they aren't dragonborn and thus can't absorb the soul.

this battle happens alot with my master mage when i fight draugr deathlords....as they draw breath for their fus ro dah, i quickly paralyze them then slow cook them alive with wall of flames. With my magic ready, they only get to "fus" before they're on the ground on fire

A full shout takes longer to perform then a charged magic attack so mage wins

Even if the shouter yells a quick become ethereal to ready a more powerful full shout, the mage can defend and attack at the same time by holding up a ward with 1 hand and readying an offensive spell with the other...as soon as the voice master shouts, he no longer is ethereal, so is open for attack as his shout gets blocked by the ward

I think this sums up how the thu'um is strong but proper magic use is stronger

I don't know if it has been mentioned before but is it a normal master of the voice or a dragonborn? A dragonborn might have bigger possibilitys to use thu'um than a mere Mortal u know? He learns the shouts incredibly faster so why should he be bound to the same limits than a normal human who dedicated his life to ''learning'' the voice when it comes to the limits? If the difference is as big as I imagine it to be then a Dovahkiin master of the voice would wreck 5 masters of magic at the same time, while the normal master of the voice would totally lose to a master of magic as I see the master of magic having more possibilitys. Dragonborn master of the voice would slaughter him tho. Imo

Well since the OP said that it is a master completely proficient in the voice I don't think being dragonborn will make a difference. It just means he became a master faster then a normal person.

Don't forget the extra ability of absorbing a dragons soul upon death. I imagine having a soul that powerful pass through your body has its perks.

Or he could use become etheral?