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2500k/4.4GHz usage in BF3 changed over time?

post #1 of 4
Thread Starter 
Now I remember when I got the game and at the time when my 2500k was clocked stock 3.3GHz, the usage in BF3 MP was 60-80% in each core. Now this MAY be because of new DLC, but I doubt it, but all of the sudden I'm getting 95-100% on all cores, AT 4.6 and 4.4 GHz. Whats strange is while Task Manager Win8 shows that, Intel Tuning Utility shows usage of 75-90% overall, since it doesn't show each core like Task Manager. What happened? Could this be because of Windows 8? I remember after I upgraded 7 > 8 that I didn't notice any difference in gaming.
The temps are normal too, low-mid 30's when idle/browsing and 50-60 in game. Using a H60 at 4.6GHz
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Corsair Lagoon
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Intel Core i5 2500k 4.6GHz ASRock Z68 Extreme3 Gen3  EVGA GTX 680 SuperClocked 2GB +25,+295 Corsair Vengaence 16GB (4x4GB) 1600 8-8-8-24 
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Crucial M4 128GB Hitachi Desktar 750GB 7200RPM Corsair H60 Windows 7 64-bit Professional 
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post #2 of 4
Well this is really just a shot in the dark BUT...

BF3 promised to leverage many cores not just 1 or 2... It did not deliver. If you compared it's performance with an i5-2500k quad core to an i5-2500k quad core with 2 cores disabled it was pretty much identical or at least not substantially different.

That lack of utilization goes as far as Linus Tech Tips doing a test on a 6 core i7 extreme and 1 core with hyper-threading turned on barely ran worse than with 6 cores and hyper-threading turned on. It was a measureable difference unlike 2 i7 extreme cores with no hyper-threading vs 6 cores with hyperthreading which had nearly no measureable difference. (testing was done with a GTX 680)

Maybe they fixed that and now it can utilize more of each core.

Look at patch notes... also your using a GTX 680 and it is possible that it is driver related (as in maybe the GPU was bottlenecking the cpu and then an update changed that)

Read the patch notes for both your video card and BF3 in general.
Edited by givmedew - 6/27/13 at 9:03pm
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post #3 of 4
Thread Starter 
hmm maybe yea a patch that made it more demanding but i doubt that i mean why? it was working perfectly fine at the beginning what possible reason would they need more cpu power for? and maybe the gpu drivers are messing with my cpu i dunno but im just surprised. i thought this system will run everything fine for at least 2 more years. this is the cool thing about consoles, you don't get weird performance a year later. tongue.gif
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Corsair Lagoon
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Crucial M4 128GB Hitachi Desktar 750GB 7200RPM Corsair H60 Windows 7 64-bit Professional 
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post #4 of 4
Well... again it is just speculation but perhaps your GPU was bottlenecking the CPU then a GPU patch comes along and you get better frame rates from the game. Requiring more processing power from the CPU to keep up.

I doubt that is the case though...

Do you game with Riva Tuner server running? It is what precision x and afterburner use to put stats about your video card in the corner of the screen.

I always game with the GPU speed, temp, usage, memory and framerate showing. (well actually I don't have the temp on there anymore because it never goes over 45 but I recommend you have the temp on the display)

If you ever noticed your GPU usage not being 100% or maybe the framerate is higher than it used to be...

If you don't have any of that data to go off then all we can do is just guess wildly...

Or read the patch notes smile.gif and if they don't say anything keep guessing wildly.
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RAMHard DriveCoolingCooling
ballistix ddr4 dual channel Samsung 850 EVO 500GB DT 5noz CPU Waterblock XSPC Razor Full Cover GPU Block 
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XSPC Razor Full Cover GPU Block 4x120 Black Ice Xtreme GTX480 Swiftech MCP655 Danger Den Monsoon Pump/Reservoir 
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Secondary Rig
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CPUMotherboardGraphicsGraphics
Intel i7-5820k  ASRock x99 extreme 4 AMD R9 290X AMD R9 290X 
RAMHard DriveCoolingCooling
ballistix ddr4 dual channel Samsung 850 EVO 500GB DT 5noz CPU Waterblock XSPC Razor Full Cover GPU Block 
CoolingCoolingCoolingCooling
XSPC Razor Full Cover GPU Block 4x120 Black Ice Xtreme GTX480 Swiftech MCP655 Danger Den Monsoon Pump/Reservoir 
CoolingOSMonitorKeyboard
Corsair Link Fan Controller Windows 8.1 Nixeus 2560x1440 Logitech G15 
PowerMouseMouse PadAudio
Kingwin PF-850 Ttesports Level10M Razer Vespula Sennheiser HD590 
CPUMotherboardGraphicsRAM
Intel i5-2500k gigabyte z68xp-ud4 Gigabyte GTX 970 G1 Gaming DDR3 1600 4x2GB 
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Western Digital Velociraptor 300GB w/ Intel RST... Corsair H100 Windows 8.1 1920x1200 HP 
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