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[OFFICIAL] AMD Phenom II x4 Deneb CPU Owner's Club - Page 48

post #471 of 1264
Quote:
Originally Posted by mindzx View Post

I'm weiry about overclocking my NB to 2400 let alone 2600, as I really don't wanna replace a motherboard due to catastrophic failure. Is operating the NB past 2000mhz risky buisness? Maybe some people here can convince me that the performance gains are really that good. Im using 2200mhz right now....
It's a CPU part, not a motherboard part (different from motherboard Northbridge). I run mine at 2600 MHz with 1.26 voltage (gave it a small bump over 1.25 just in case). Don't see why would your motherboard fail - unless it would be due to VRMs overheating, but I'm no expect on that biggrin.gif

As for performance, people claim it helps a lot in games and other tasks. I definitely saw big increases in memory benchmarks (AIDA64 Cache and Memory Benchmark), on the other hand 3DMark had zero increase comparing CPU/NB at 2000 and at 2600...
post #472 of 1264
2559947.png overclocked to 3.6 phemon x 4 840
post #473 of 1264
url=http://valid.canardpc.com/2559947]2559947.png[/url] overclocked to 3.6ghz from 3.2ghz
post #474 of 1264
post #475 of 1264
Is it possible to use DDR3-1866 or DDR3-2000 memory with a AMD 955 Deneb with a 970A chipset mobo?
post #476 of 1264
Quote:
Originally Posted by Castaa View Post

Is it possible to use DDR3-1866 or DDR3-2000 memory with a AMD 955 Deneb with a 970A chipset mobo?

You can use DDR3-1866/2000 memory yes. Can you run it at those speeds? No. I'm on 970A-UD3 and Mushkin 1866 but run them at 1333. Haven't tried 1600 because I'm happy with 1333 and the timings they're running at.
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DeskoSaurus X
(22 items)
 
It Does Stuff
(24 items)
 
 
CPUMotherboardGraphicsRAM
4790K 4.7 GHz Z97 MPOWER MAX AC 290X Lightning G. Skill TridentX 2x8GB 10-12-12 
Hard DriveHard DriveCoolingCooling
2x Crucial MX100 + 960GB M500 2x WD Blue RAID EK Supremacy EK-FC R9-290X Lightning 
CoolingCoolingCoolingOS
EK XE 480 + EK CoolStream PE 480 10x Phanteks + 2x Cougar Vortex MCP50X + MCP50X Windows 10 Pro 
MonitorKeyboardPowerCase
ViewSonic VX2250 22" LED Generic HP Corsair AX860i Lian-Li DK-Q2X 
MouseMouse PadAudioOther
Logitech G700 XTRAC Ripper TC Electronic Impact Twin Corsair Commander Mini 
OtherOther
Schiit Vali Kanto Yumi (Bamboo) 
CPUMotherboardGraphicsRAM
FX-8350 4.95GHz 24/7 GA-990FXA-UD3 Sapphire 7870 XT  Mushkin Redline 997051 @1866 8-8-8-24 1T 
RAMHard DriveHard DriveCooling
Crucial Ballistix Tactical Tracer @1866 8-8-8-2... Black WD6401AALS 2x WD10EZEX Raid-0 EK Supremacy 
CoolingCoolingCoolingCooling
10x Cougar Vortex PWM 3x Helix EK VGA Supremacy Acetal Alphacool NexXxos ST30 240mm, 2x XT45 240mm XSPC X2O 750 
CoolingOSMonitorKeyboard
Jingway DP-600 pump Windows 8.1 Pro x64 ViewSonic VX2250 22" LED Generic HP 
PowerCaseMouseAudio
Rosewill HIVE-650 CM 690 II Advanced B&W  Logitech G700 Xonar DG 
AudioOtherOther
Tc Electronic Impact Twin Fan Controller: Aerocool X-Vision 2x Swiftech PWM Splitter 
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post #477 of 1264
What about CPU _NB; Normally i think you can speed it up to 2400MHZ 1,2V but if i take it to 2600MHZ there isnt any IPC increase.
post #478 of 1264
NB makes a noticeable difference. I was using 2.6 Ghz, but it was starting to introduce memory errors so I backed it down to 2.4 Ghz - C3 Denebs should be able to do 2.6 no probs. Definitely a step up from the stock 2.0 and highly recommended.
 
13" beast
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Lapped X4 940BE @ 3.5Ghz / NB @ 2.4GHz Biostar TA790GX 128M 1GB HD6950 @ 965/1360 (1.26V) Kingston Hyper-X 2GB x 4, 1066 MHz 5-5-5-15-22 ... 
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13" beast
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HTPC
(8 items)
 
CPUMotherboardGraphicsRAM
Lapped X4 940BE @ 3.5Ghz / NB @ 2.4GHz Biostar TA790GX 128M 1GB HD6950 @ 965/1360 (1.26V) Kingston Hyper-X 2GB x 4, 1066 MHz 5-5-5-15-22 ... 
Hard DriveOptical DriveCoolingOS
Crucial M4 64GB SSD, WD 640GB x 2 none Scythe Katana 3 Win7 64bit 
MonitorKeyboardPowerCase
Dell 24", Samsung 17" x 2 Logitech Illuminated Antec Earthwatts 750W Antec 300 
CPUGraphicsRAMHard Drive
Intel Core i5 2410M @ 2.3 Ghz stock Intel HD Graphics 3000 4GB 500 GB 
OSMonitor
Windows 7 WXGA (1366x768) 
CPUMotherboardGraphicsRAM
Athlon II X2 245 GA-MA785GM-UD2H Onboard HD4200 Kingston 2GB 
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WD 2TB x 2 Windows 7 Ultimate Benq Wireless Antec NSK1480B 
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post #479 of 1264
Would upping the NB require a better cooling solution or would the stock configuration be sufficient? I hadn't even thought about juicing up the north bridge before but it does make sense in order to try to get everything to run smoothly and @ similar speeds.
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Antec's high current gamer 400 is a gem!
Antec High Current Gamer HGC-400 80 plus continuous power supply
Awesome monster!
Aerocool Strike-x s.t.
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post #480 of 1264
You should be able to run 2600 NB easily on C2 stepping as well.

It makes a gargantuan difference in memory performance at the very least.

My current settings on my Phenom X4 955 C2 is

MB: Gigabyte 990xa-UD3
3.84GHz @ Stock Voltage
219 FSB @ 2 voltage bumps
NB- 2628MHz

Cinebench hits @ 4.57
Memory hits @:


Edited by Anonaru - 10/29/12 at 4:01pm
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