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Hi
I bought new computer half year ago and now I installed starcraft II legacy of the void to test it out. And I got horrible fps drops. With v-sync enabled I suppose to have 60 fps all the time, but for example few minutes after game starts I got random 30-40 fps. No difference if I am in battle or I just watching some game landscapes.
The game says I should play on 1920x1080 on everything set at extreme. But I rather play on everything on medium (more clear) and problem with fps drops still occurs ...
This is my specification:
Motherboard: MSI B85-G43
CPU: Intel Core i5 4590 3,7GHz
GPU: Asus GTX 970
RAM: 8GB RAM DDR3 1600MHz
HDD: Seagate 1TB
PSU: Thermaltake SE 530W
OS: Windows 7 Professional 64 bit
Computer is clean of viruses or other stuff, graphic drivers are up to date.
For example:
Witcher 3 on full hd everything on high detail - constant 60fps
Starcraft 2 medium detail - fps drops from 60 to 40 wtf!?
Energy management (system and graphic card) set to maximum performance. Disk defragmented, memory tested. No random programs in autostart. No problems with other games only with starcraft 2.
I tested both x32 and x64 sc2.exe, vsync enabled / disabled. Nothing helps.
If anyone can help me - appreciate it.
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United Kingdom20322 Posts
SC2 is more CPU demanding than witcher 3, it also has highly inconsistent CPU-limited frametimes which make Vsync unusable
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France12906 Posts
Try lowering CPU hindering options first in the graphics section, as well as disabling v-sync and see if it helps. You can do the same in the sound section if that's not enough.
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^Thank you man
It seems that option in graphics called "physics" ruined my fps, I simply turned it off and everything seems fine now.
Not sure about turning off v-sync, I got like 200fps when it is disabled and then fps drops till 80 in late game, also screen seems to stutter or smth (not fps drop but something different). I am kinda afraid of overheating my gpu so I guess I need to play with vsync turned on.
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United Kingdom20322 Posts
Not sure about turning off v-sync, I got like 200fps when it is disabled and then fps drops till 80 in late game
SC2 frames are very unevenly distributed. You need FPS to be triple digit 100% of the time to maintain a 60hz vsync and even then it won't be the best. There's no CPU that can keep FPS high enough a large % of the time unless you want to get vsync stutter when your opponents build zerglings 
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So what you say is that vsync off is the way to go? Isnt enabling vsync and triple buffering increases fps ingame?
By the way how can I cap fps when vsync is off? For example I always want 60fps when vsync is disabled but when I turn it off I got 200 fps at game start for couple of minutes.
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You can use 3rd party software to cap fps without vsync. Things like MSI afterburner/Rivatuner. Nvidia controlpanel might be able to? There are probably others as well.
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United Kingdom20322 Posts
So what you say is that vsync off is the way to go? Isnt enabling vsync and triple buffering increases fps ingame?
nop
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make sure sc II is using your GTX970 instead of the intel integrated gfx as well
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China6330 Posts
There is nothing you can do with the low fps and stutter, there is no hardware that can eliminate that, SC2's engine have significant multi-threading utilization issue and severe framepacing issues, which won't change regardless of your hardware.
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United Kingdom20322 Posts
^faster hardware does help though, higher performanace per clock, clock speed, fast RAM etc. It'll just always run badly with hundreds of units in the game.
It's actually pretty funny, because of the way the engine works if your opponent has a large zergling-heavy army you can tell when they're moving and when they're stood still by the performance of the game even if they're in the fog of war
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France12906 Posts
On September 01 2016 18:42 Cyro wrote:
^faster hardware does help though, higher performanace per clock, clock speed, fast RAM etc. It'll just always run badly with hundreds of units in the game.
It's actually pretty funny, because of the way the engine works if your opponent has a large zergling-heavy army you can tell when they're moving and when they're stood still by the performance of the game even if they're in the fog of war
So you can know your drops are spotted just by looking at the FPS? Amazing
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HELP FROM YOU GUYS WOULD BE MASSIVELY APPRECIATED! =)
So glad I have come across this thread.
I am having a very similar issue.
I have bought quite a high spec laptop (i7 4700 MQ 2.4GHz, 16GB RAM). It has 2 video cards - an integrated intel one, and nvidia 700M. nvidia driver updated. Playing the game at LOW settings (even though its suggested extreme)
Starting the game is ok FPS, but once more units start being made after about 5 minutes, FPS starts to drops massively.
It's weird, because there are some intermittent moments when the FPS will suddenly become perfect, even deep in battle with high demanding graphics. These moments will last for around 20-30 seconds (I noticed that during these moments, the laptop's fan is quite loud), and then it will suddenly revert back to constant awful FPS. I haven't formally measured it, but we're talking 2 or 3 frames per second in the late game.
As someone mentioned above, I am quite convinced that it is using my darned intel integrated video card, rather than my nVidia. But I have no idea how to check this, or how to force it to use nvidia.
It's so frustrating as my much lower spec old PC had far superior gameplay compared to this.
I would REALLY appreciate anybody's help or advice, as this is really bringing me down! Unplayable =(
Thanks for reading
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United Kingdom20322 Posts
Check your CPU temperatures and clock speed under load, it may be throttling
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I wonder if there is a way to completely get rid of fps drops problem. I have watched streams of many players, some of them play on monster configurations (gtx 980, 1070, 1080) but still got fps drops in late game. Some of them play on LOW settings everything and still got fps drops. I mean wtf!? What cpu should I have to not worry about fps drops???
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France12906 Posts
On September 04 2016 20:48 Tryneus wrote:
I wonder if there is a way to completely get rid of fps drops problem. I have watched streams of many players, some of them play on monster configurations (gtx 980, 1070, 1080) but still got fps drops in late game. Some of them play on LOW settings everything and still got fps drops. I mean wtf!? What cpu should I have to not worry about fps drops???
Afaik, none, the game optimisation isn't good and even "high" FPS feels sluggish :/.
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Russian Federation126 Posts
evga gtx 970.
i7 2600
8gb ram
witcher 3 - ultra 60 fps. battelfield1 beta ulta-high 50-60fps. sc2 medium 1vs1 35-60fps.
evga support can't help me.
magic.
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United Kingdom20322 Posts
All CPU's run the game badly at times, especially with lots of units. Good CPU's run many times faster than bad ones though.
You should have an OC'd 6600k with very fast RAM (3000mhz dual channel at least, likely significant benefits up to 4000+)
evga support can't help me.
EVGA isn't related to your CPU. Your gtx970 is probably at like 10% load because it has no frames to render.
Physics off, effects medium; fast CPU. Not much else that you can do. If you have a good system then the other dude is almost certainly experiencing worse performance
and even "high" FPS feels sluggish
A static FPS display like "60fps" is only really useful if you assume that every frame is evenly spaced out throughout the second, in this case each frame being 1/60'th of a second apart.
In most games that's not quite true though it's a close enough approximation for most people. In starcraft 2 it's not even remotely close to true; 22 of the frames per second take a very long time to be displayed so they can take longer than 1/60'th of a second even when your FPS is at 90+.
some of them play on monster configurations (gtx 980, 1070, 1080) but still got fps drops in late game. Some of them play on LOW settings everything and still got fps drops.
You're putting way too much emphasis on the graphics card. Even a gtx950 will easily run sc2 just as well, especially on low settings. A 1080 will just sit idle. Performance is almost the same on both low and max settings as well as long as the CPU settings are not raised.
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I have a guest PC in my house with following specs:
Core i7 - 6700(non k) 3,5Ghz
16GB DDR4 2133Mhz
ASUS STRIX GTX970 4GB
2x Samsung EVO 850 SSD 512GB in RAID0
SC2 Runs between 70-100 fps on Extreme in 1v1 and 2v2
If I load my gfx config from my RIG (setup for half blinded guy) Medium/Low I start with 190fps and dropping to 140 in 1v1 and around 100 in 2v2... So 970 is not a problem for sure
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EPT
