Thread: Possible that a core dies?
07-06-2012, 11:33 AM #1
Possible that a core dies?
- Member Since
- May 22, 2007
- 15in MBP 2.5GHz Core2Duo | 1.83Ghz Dual G5 PowerMac | 2.0 GHz Dual G5 PowerMac
Is there any possibility that a core could die within a laptop? I have the 2008 MacBook Pro with the Core 2 Duo, and i have noticed that as of late, when i do video production and handbrake encodings, it takes 2x as long as what it used to months ago. Like a handbrake encode went from taking an hour to two and half, or a premiere pro encode takes 6 hours for a 1080p 30minute video. Now i did downgrade from Lion to Snow LEopard since i was having GPU issues, which i think has extended into SL now since Starcraft 3 doesn't play at High like it used to, now it can't go past Medium. So, any idea what could have caused this slowdown?-Matt
07-06-2012, 11:39 AM #2
Download Cinebench 11.5:
MAXON | 3D FOR THE REAL WORLD: CINEBENCH
...and run the cpu test. If it shows only 1 core working...then you have a "dead core". If it shows 2 cores working at the same time...then the slow down is something else.
07-06-2012, 02:46 PM #3
- Member Since
- Jan 23, 2008
- Keller, Texas
- Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, Sierra
07-06-2012, 04:18 PM #4
My experience with dead cores may lie more with Powermac G5's & Mac Pro's...which have multiple cpu's:
- Powermac G5's...two cpu's (one cpu could be dead) leaving one working cpu
- 8-core Mac Pro...two cpu's (one cpu could be dead) leaving one working cpu (4-cores)
I agree...I don't think that I've run across a Core 2 Duo or a quad-core i5 or i7 (a single cpu setup)...that had an individual dead core.
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