• Guest, The rules for the P & N subforum have been updated to prohibit "ad hominem" or personal attacks against other posters. See the full details in the post "Politics and News Rules & Guidelines."

Do I need to replace my i7 870?

shortylickens

No Lifer
Jul 15, 2003
78,140
11,148
126
Its been running fine for 5 years, never felt the need to toss it. Still using the same LGA 1156 motherboard too.

BUT, lately (last month or so) it seems to not be driving my games very well, especially anything CPU intensive.
Fallout 4 performance has dropped sharply, most noticeable in downtown areas with lots of junk all over the place.

Also getting benchmark scores much lower than systems with my exact same hardware. (3DMark among others.)

Hardware monitor tells me all 4 cores tend to idle at 60 degrees and max out at 99 degrees when I do anything like a stress test or run a game. Clock speed maxes out at 3ghz but with turbo boost enabled they should be able to get all the way to 3.6ghz.

Never get any heat errors from the motherboard, BUT, I did notice a slight increase in CPU benchmark scores after I opened the case and pointed a Vornado fan at it.

Do I need a new heatsink or do I need a new CPU?


 

daveybrat

Elite Member
Super Moderator
Jan 31, 2000
5,322
607
126
Those temps are way too high. What heatsink are you using?
 

StrangerGuy

Diamond Member
May 9, 2004
8,443
124
106
I definitely think something is broken, either the CPU or the HSF. You will wanna check the fan RPMs first, then check if the HSF is loose.
 

shortylickens

No Lifer
Jul 15, 2003
78,140
11,148
126
OK, I went and dug up an old heatsink and shoehorned the bastard into my case.





So while its running cool enough, the CPU refuses to turbo boost up to the expect 3600 mhz.
And CPU benchmarks did not improve at all.

I will need a new processor, but I know this one is not going to break any time soon.
 

Bouowmx

Golden Member
Nov 13, 2016
1,094
485
146
Intel Core i7-870 Turbo multipliers with 1, 2, 3, 4 active cores: 27 26 24 24.
Frequencies with 133.3 MHz base clock (MHz): 3599 3466 3199 3199.

I formerly used an 870 in a HP HPE-430f with its included cooler: processor did not use Turbo, either because of temperatures (> 50 C) or power limit (95 W).
 

pantsaregood

Senior member
Feb 13, 2011
993
37
91
Just overclock it. Those Lynnfield units hit 3.8-4.2 GHz pretty easily. 22*183 would land you around 4 GHz.
 

Denithor

Diamond Member
Apr 11, 2004
6,302
23
81
Temps look a lot better, I would hazard a guess that the thermal paste under the stock cooler was degraded/dried out/not working. Now that you have temps under control, yeah, overclock time. :D
 

Bouowmx

Golden Member
Nov 13, 2016
1,094
485
146
My data point on Intel Core i7-870 overclock: 178 MHz × 22 = 3916 MHz on Gigabyte GA-H55M-UD2H with normal voltage with load-line calibration (1.232 V).
 

Yuriman

Diamond Member
Jun 25, 2004
5,531
141
106
CPU was thermally throttling before. If it isn't giving bluescreens, it isn't broken. They don't "fail slow", they start to crash.
 
  • Like
Reactions: jana519

VirtualLarry

No Lifer
Aug 25, 2001
50,419
6,025
126
Everybody else has pretty-much covered it, I guess.

I second or third the overclocking. Though I have no experience overclocking Lynnfield.
 

SPBHM

Diamond Member
Sep 12, 2012
4,978
340
126
the Intel coolers can accumulate a lot of dust after a few years and perform badly, probably what happened here?

also it looks like he is running an Intel board, I don't think P55 Intel boards allow overclocking?
3GHz Nehalem is less than ideal for the latest games, but it should still be OK most of the time.
 

Denithor

Diamond Member
Apr 11, 2004
6,302
23
81
The P-series were all overclocking boards. No onboard graphics, had to use discrete card. IE, perfect for gaming use. :)

Not a bad OC there shorty, make sure it's stable and you should be gtg for a while longer!
 

shortylickens

No Lifer
Jul 15, 2003
78,140
11,148
126
actually, I went to Amazon and ordered a kaby lake & gaming MB both of which should arrive soon.
Along with a fancy new case I'm expecting things should be much faster from now on.
 

shortylickens

No Lifer
Jul 15, 2003
78,140
11,148
126
HOLY CRAP IT JUST ARRIVED!

But I think I'll wait for the new case before I do anything. Makes my job easier.

Oh, and its an ASUS ROG STRIX by the way. Perfect for an enthusiast.
 

AznAnarchy99

Lifer
Dec 6, 2004
14,708
117
106
HOLY CRAP IT JUST ARRIVED!

But I think I'll wait for the new case before I do anything. Makes my job easier.

Oh, and its an ASUS ROG STRIX by the way. Perfect for an enthusiast.
Just went from a i7-860 @ 3.8ghz to a i7-7770k stock at the moment with an Asus Z270E Strix and I got an instant 40-50fps boost in Overwatch FWIW.

Wasn't a problem with a 60hz screen but now I got a 144hz monitor and it needed that extra CPU power to push it past 60 FPS.
 

shortylickens

No Lifer
Jul 15, 2003
78,140
11,148
126
Finally got it all put together and installed Windows.

CPU seems quite fast. Will install some games later and benchmark. ASUS motherboard is awesome. Overall I like Kaby Lake.
 
  • Like
Reactions: VirtualLarry

CHADBOGA

Platinum Member
Mar 31, 2009
2,032
645
136
Finally got it all put together and installed Windows.

CPU seems quite fast. Will install some games later and benchmark. ASUS motherboard is awesome. Overall I like Kaby Lake.
What cooling solution have you chosen to use?
 

ASK THE COMMUNITY