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E6750 OC -Opinions + questions/answers

Last response: in Overclocking
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Hi,

My PC hardware is:

CPU: Core 2 duo E6750 2.66GHz OC to 3.4GHz(1.387V) -cpu cooler: arctic freezer pro 7
CPU-Z info: core voltage 1.344V, Stepping B, Revision GO.
Core speed 3400MHz, multiplier 8x, bus speed 425MHz.
FSB 1700.0MHz
CPUID info: Core voltage 1.34V,
CPU: 29*Celsius(idle)
Intel core 2 duo E6750 temperatures: Core#0 40*Celsius, Core#1 36*Celsius(Idle), around 60*C at full load

Motherboard: Gigabyte GA-P35-DS3R rev 2.0
CPU-Z info: REV A2
BIOS version F13C
Graphic Interface PCI-Express, link width 16x
CPUID info: Temperatures: System 39* C

Video: Sapphire HD 2600xt(800/700MHz), 256mb DDR3/128bit.
820 cpu/735Mhz ram (OC) 48*C at idle, 59*C at full load

Ram: 2 Gb OCZ Gold PC6400 800Mhz CAS: 5-5-5-15
OC to 850Mhz
CPU-Z info: 425MHz CAS: 5-6-6-16, FSB:D RAM 1:1 ratio, over voltage from bios with o.1V(If i remember right)

HDD: 1x segate 250gb and 1x WD 500gb 29*C
Power supply: Thermaltake TR2 550w
Case: Thermaltake Soprano
Case fans: 2x noctua fluid dynamic bearing
Monitor: 1x LG L1972H(2ms)
1x LCD TV SAMSUNG 32B554 Full HD

Programs used: windows 7 ultimate 32 bit, CPUID version 1.14.0 driver version 132, CPU-Z version 1.48.

What do you think of my overclocking, is it good? This is my first PC that i have overclocked.

Is my temperature at full load(60*C) too high?
There is a difference of 4*Celsius from core 0 to core 1. Is that ok?
Also there are 2 types of readings for CPU temperature. Witch one should i chose to be my guide line and the difference in temperature is it ok to be so big?

Dan

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CPUs Master
Overclocking Authority

That looks pretty good to me. The 65nm Conroe chips were good overclockers but not as good as the newer 45nm Wolfdales. 3.4 with a 425mhz FSB is pretty damn good.

I had an E-6600 ( 2.4 ghz stock ) that would go to ~3.6 but it got too hot for comfort and I ended up running it at 3.2 for daily use.

Temps look fine and yes there is usually a difference from one core to another.

Honestly if you updated to a new video card that would still be a decent gaming system. A Core2Duo at ~3ghz or better will handle basically any GPU ( maybe not super high end Crossfire or SLI ) but any single GPU for sure.

I went with it to 3.6 GHz maximum but i red on several forums about overclocking this cpu and fount out that the best gains are from 3.3GHz to 3.5GHz. From 3.5 to 3.6 there is no difference that is worth the increase in voltage. Unless you go to 4GHz.
I will be buying next summer an ati 5850 i think. Will have to see what Nvidia will lunch until then.

Thanks for your reply.

3.4 Ghz is the sweet spot for my E6750..To reach 3.6 Ghz I had to crank up the voltage to 1.45v (bios) 1.38v (real-time reading by ASUS PC probe II)..Beyond that it's unstable no matter what voltage is applied, at least at my el-cheapo P5KSE..I use Zalman 9500, and @ 2200 RPM the max temp under Prime95 is 64 degree C (again using PC probe) in my country's deadly hot summer..


@ionut19:
"Is my temperature at full load(60*C) too high? "
I checked the data sheet (dlled from intel.com) and it says 65 degree C is the highest recommended temp and 1.5v is the highest recommended voltage.

"There is a difference of 4*Celsius from core 0 to core 1. Is that ok? "
Yes. Normal.

"Also there are 2 types of readings for CPU temperature. Witch one should i choose to be my guide line and the difference in temperature is it ok to be so big?"
If you are so concerned about your CPU lifetime go with the highest reading.

chrischoi94
-i do not know the firm that make's your ram. I am confident that if you buy better ram they will go higher. My ratio is 1:1 so there was no need to overclock the ram that much. You can change that form BIOS.

avatar_raq
-Thank's for the answers. That is very reassuring.
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