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What was the best CPU for overclocking of all time?

I used to mess with old Core 2 Duos and early i7s, but my favorite was the i5-2500k. I got it up to 4.7GHz with a decent cooler, and it ran great for years, even with gaming and video work. It was fun tuning everything to get the most out of it.
 
Q6600 2.4GHz to 3.8GHz on air effortlessly, fully stable with anything you benched/threw at it, but would crack 4GHz but not be 'fully' Prime95 stable sometimes, but real world it worked in any game without crashes :)
The GOAT of it's time for sure, bang per buck wise!
 
For me one of the biggest clockers i had and the one i enjoyed clocking the most was the Wolfdale E8600. It was a stonker and gave me loads and loads of fun.

5T9ACK9.jpg
 
I seem to remember my opteron 144 being one of the best overclocking ones I had ever come across when I had it :D

1.4ghz stock to 3ghz
 
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deviation said:
Q6600 2.4GHz to 3.8GHz on air effortlessly, fully stable with anything you benched/threw at it, but would crack 4GHz but not be 'fully' Prime95 stable sometimes, but real world it worked in any game without crashes :)
The GOAT of it's time for sure, bang per buck wise!
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I agree. The q6600 was epic. One of the first affordable quad core cpus. It could also overclock by 50% without doing anything really. Pushing it I was around 3.8. don't think my chip was as good as yours. I still have it.
 
timmothy said:
I agree. The q6600 was epic. One of the first affordable quad core cpus. It could also overclock by 50% without doing anything really. Pushing it I was around 3.8. don't think my chip was as good as yours. I still have it.
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Wow, that's awesome that you've kept it!
 
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Of all time i would have to say Celeron 300a and the barton mobile 2500. The 300a did 50% back in 1998 quite easily and the barton could match that in 2004 thanks to the unlocked multi. Both were the go to in their respective era. For me the best i had based on base frequency was the 2600k. I was able to get 5ghz at 1.42v and ran at that for 3 years before i dropped to 4.8ghz at 1.35v for better thermals for the next 2 years.
 
Mr Mcgoo said:
Of all time i would have to say Celeron 300a and the barton mobile 2500. The 300a did 50% back in 1998 quite easily and the barton could match that in 2004 thanks to the unlocked multi. Both were the go to in their respective era. For me the best i had based on base frequency was the 2600k. I was able to get 5ghz at 1.42v and ran at that for 3 years before i dropped to 4.8ghz at 1.35v for better thermals for the next 2 years.
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The Athlon 2500XP-M did 2.4-2.6GHz easily and dropped into a regular socket A. It was an overclocking beast.
 
I had a 2500K that sat at I *think* around 4.5 GHz... I gave the system to my Dad about 10 years ago and it's still sat chugging away flawlessly to this day (although back at stock for ease reliability)
 
deviation said:
The Athlon 2500XP-M did 2.4-2.6GHz easily and dropped into a regular socket A. It was an overclocking beast.
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It certainly was a clocking beast, but i wouldn't say it did 2.5Ghz "easily" The most difficult thing to clock on it though was Ram. Or more to the point, running a 2.5Ghz clock with the ram at 250 fsb with 2,2,2 timings.
Just about the only mobo capable of that was the DFI NF2 and if memory serves, an Asus mobo. Although this pic shows a Prime failure 9hrs and 51 mins, i did get it to complete a 24hr run (just cant find the screenie yet)

FWdpnJP.jpg
 
kitfit1 said:
It certainly was a clocking beast, but i wouldn't say it did 2.5Ghz "easily" The most difficult thing to clock on it though was Ram. Or more to the point, running a 2.5Ghz clock with the ram at 250 fsb with 2,2,2 timings.
Just about the only mobo capable of that was the DFI NF2 and if memory serves, an Asus mobo. Although this pic shows a Prime failure 9hrs and 51 mins, i did get it to complete a 24hr run (just cant find the screenie yet)
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Mine did 2.5GHz without a problem, although it wasn't fully stable at 2.6GHz.
ASUS A7N8X-E Deluxe.
 
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Back in the day.. I had an Intel E2160 dual core that overclocked from 1.8Ghz to 3.6ghz (100%) by just increasing the fsb.

If I recall correctly all E21XX cpu's did this reliably.
 
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