Why is casting speed so much better than spell damage?
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I have a few different amulets, and consistently the ones with casting speed give between 1.5 and 2x the amount of DPS boost as the same amount of increased spell damage (5% and 10%).
Why is this? Shouldn't 10% be 10%? Let's say you had 1 attack per second, for 100 damage, and with 10% increased damage, that should make your DPS 110 rather than 100. Over the course of ten seconds, you'd do 1100 damage rather than 1000. If you had 10% increased casting speed instead, that should mean you have 1.1 attacks per second, right? So over the course of ten seconds, you'd have 11 attacks at 100 each, for the same 110 as if you had 10% increased damage. But apparently not. I mush be overlooking something, because attack speed seems to yield about TWICE the DPS boost. In some cases (not sure why) it's only about 1.5x. But still, 1.5x the DPS for the *same number* of increase is confusing. Is there a calculation that I don't know about? Are there reasons why speed would be better than spell damage? In my passive tree, I have damage boosts, but no speed boosts. So if anything, I'd think the damage boost would have been higher, because maybe my passives would have scaled it. But no, the speed boost gives more. Why? Invited to Beta 2012-03-18 / Supporter since 2012-04-08 Last edited by VideoGeemer#0418 on Mar 6, 2013, 4:09:20 PM
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" u were blinded by spell damage , just like 80% of the wand users in this game. At least u now know cast spd is more important. My IGN : Xmu / TeeBones
BEST CI CHEST FOR MIRROR 1K ES + TRI RESIST http://www.pathofexile.com/forum/view-thread/306743 My Ice Witch 0.25Sec Freezing pulse guide ~ http://www.pathofexile.com/forum/view-thread/214705 | |
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I'm not too sure on how this works....
But Cast speed/Attack Speed calculates your total damage you have from all sources, not just 1. Thats why 10% spell damage (1 damage source) sucks compared to cast speed (all damage sources). Thats why if you want the maximum damage in the game you need cast/attack speed because it triples or quadrupole s your total damage. Last edited by Chewtoy#0241 on Mar 6, 2013, 5:05:50 PM
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Oh!
u don't think that 10% increadsed dmg of base dmg, not output dmg if output dmg = 100 but base dmg = 20(u had many %increased dmg from gear) more 10% increased dmg for more 2 dmg not 10 dmg like u think ! |
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would u choose 100% SD wand with 90% Crit or a 50% SD wand with 90% crit and 15% cast spd?
My IGN : Xmu / TeeBones
BEST CI CHEST FOR MIRROR 1K ES + TRI RESIST http://www.pathofexile.com/forum/view-thread/306743 My Ice Witch 0.25Sec Freezing pulse guide ~ http://www.pathofexile.com/forum/view-thread/214705 | |
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It's BECAUSE you already have Spell Damage in your passives that cast speed is better.
Assume a skill has 100 dps base (1 attack per second of 100 damage each). Let's say you have +50% spell damage in your tree, so now it's doing 150 dps (1 attack per second of 150 damage each). If you get gear that gives +10% spell damage, you now have +60% spell damage total, for 160 dps (1 attack per second of 160 damage each). But if you got gear with +10% cast speed, you're now attacking 1.1 times per second, for a total of 165.5 dps (1.1 attacks per second times 150 damage each). So, in reality, the best possible stats to have is a combination of both spell damage AND cast speed, because they multiply each other's effects. Last edited by Blue_Phoenix#6242 on Mar 6, 2013, 5:20:29 PM
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" I don't get this. There's still just the one source in each example. I used Freezing Pulse with cast speed versus spell damage, and Ice Spear, with the same comparison. " I'm not quite sure what you mean. " The 100% SD easily. There's no way 15% cast speed can match 50% damage. It's better in these cases, but not 15:50. If you had said 50% SD with 30% speed, then it might be more even, and I suppose would depend on your passive nodes and other gear. " Yes, yes, that makes perfect sense. I just didn't think of it before. :) My DPS meter is considering the damage AFTER the passives take effect. So in your example, the 10% cast speed is 1.5 times the perceived benefit of 10% damage. Thanks, man. So then the tree nodes for cast speed might still be important, but only because those speed increases scale with all the damage passives already taken. Oh, and not just tree passives, I suppose wand damage boosts apply to this as well! So the 3% nodes aren't, in the end, just 3% ... it's (3 + combined damage tree passives + gear damage and boosts)%. Good to know! :D Invited to Beta 2012-03-18 / Supporter since 2012-04-08 Last edited by VideoGeemer#0418 on Mar 7, 2013, 1:47:11 PM
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If your dps is showing as 1000, Cast Speed +X% should be a flat boost of X% -> 1100.
But 10% Spell Damage applies to your base damage with that spell not the 1000. Base damage might (for example) be 100, in which case -> 1010. This doesnt mean Cast Speed is the best, though. In the above figures you'd need plenty of Spell Damage to get that base 100 up to 1000 in the first place. You want both. Did you know level 91 is the halfway point to level 100? This means that a softcore character dying ONCE at level 85+ can lose many days of progress. Last edited by GhostlightX#1022 on Mar 7, 2013, 2:13:16 PM
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So at the beginning out of the Witch's tree. It's more beneficial to get the 9% cast speed increase over the 55% crit chance?
I've seen so many choosing the speed over crit chance... |
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Also remember that you're looking at DPS, not overall DMG. DPS isn't really relevant if you one shot things. Neglecting spell dmg also means you have to stop moving to cast more often, all be it shorter cast times.
Cast speed also has diminishing returns, generally around the .4 to .3 sec cast time. I know I usually take the crit nodes in the witch starting zone because I know the gear I use to level has a lot of cast time already on it. |
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