AMD FX 8350, About The "add 20c"

[Foul]

So i have been told by people that you MUST add 20c too your AMD CPU Temps with any program ( Core Temps, HWMoitor ) 

 

When i play Elder Scrolls my Peek is around 57c.

 

when i play Overwatch its 50c

 

So do i really have to still add 20c? 77c playin Elderscrolls for 3/4 hours sounds a little crazy... Like my PC is not hot to the touch Gotta 1050ti Card and it has never peeked over 50c.

 

Thanks!

[Electronics Wizardy]

5 minutes ago, Foul said:

So do i really have to still add 20c

Yep. Those amd fx chips run hot and are old, but don't worry about those temps, it wont hurt them.

[AvocadosGuac]

Its fine. CPU's are rated to run at 90c.(most even 100 before throttling)

[Foul]

1 hour ago, Electronics Wizardy said:

Yep. Those amd fx chips run hot and are old, but don't worry about those temps, it wont hurt them.

Really! wowzers. cant really complain tho. old chip works magics ultra high in most every game i play. Skyrim, Battlegrounds, overwatch ect, 

so im guessing when it hits 90c (so 70 + 20) is where i should be worried.

[AvocadosGuac]

Not even. Even if you do manage to blow one of these chips up they can be had for like $90 from second hand places(Kijiji, Craigslist, eBay etc.)

4 minutes ago, Foul said:

Really! wowzers. cant really complain tho. old chip works magics ultra high in most every game i play. Skyrim, Battlegrounds, overwatch ect, 

so im guessing when it hits 90c (so 70 + 20) is where i should be worried.

 

[Jredmond]

No no the 20C offset is for AMD Ryzen X series CPU's not the FX chips.

[Salacious B Crum]

2 minutes ago, Jredmond said:

No no the 20C offset is for AMD Ryzen X series CPU's not the FX chips.

Yep I caught that in the title too this applies to Ryzen only!

[SpaceGhostC2C]

3 hours ago, Electronics Wizardy said:

Yep. Those amd fx chips run hot and are old, but don't worry about those temps, it wont hurt them.

No, there is no 20C offset for FX CPUs. 

 

OP, the 57C is real package temp. Also, FX CPUs have thermal limits at high 60s - mid 70s at which they will throttle to prevent damage.

People get confused because typical idle temps are outside the range of the builtin sensor (thermal sensors have a range at which they can measure things properly, and will give strange results outside their range. The builtin sensor in FX CPUs doesn't really cover anything in the 30s or lower, so you get strange idle temps reading - and adding 20C won't make them more accurate).

[Electronics Wizardy]

57 minutes ago, SpaceGhostC2C said:

No, there is no 20C offset for FX CPUs. 

 

OP, the 57C is real package temp. Also, FX CPUs have thermal limits at high 60s - mid 70s at which they will throttle to prevent damage.

People get confused because typical idle temps are outside the range of the builtin sensor (thermal sensors have a range at which they can measure things properly, and will give strange results outside their range. The builtin sensor in FX CPUs doesn't really cover anything in the 30s or lower, so you get strange idle temps reading - and adding 20C won't make them more accurate).

I have a few chip and no matter what programs I use the temp of the chip is much hotter with measured with a external thermometer. 

[SpaceGhostC2C]

2 hours ago, Electronics Wizardy said:

I have a few chip and no matter what programs I use the temp of the chip is much hotter with measured with a external thermometer. 

You can exactly measure the internal temperature of a CPU with an external thermometer...

The closest you'll get at that is the socket temp, which is always some degrees hotter than the package (mostly because of VRM temps - you can notice the effect of lowering the temps of the VRM on the socket measurement, while the package measurement isn't really affected). Other than that, you could place a sensor on top of the IHS, still on the outside though. And that would interfere with the contact with the cooler, so it would make the temps worse - not a neutral measurement.

 

In any case, the point remains that there is no 20C offset in FX. Idle temps are simply false readings, and any number you add to them won't change the fact that they bounce between, say, 6 and 21, and I can promise you the idle temps aren't bouncing between 26 and 41...

Idle temps are simply outside the range of the builtin sensor.

[Foul]

On 6/17/2017 at 2:50 PM, SpaceGhostC2C said:

No, there is no 20C offset for FX CPUs. 

 

OP, the 57C is real package temp. Also, FX CPUs have thermal limits at high 60s - mid 70s at which they will throttle to prevent damage.

People get confused because typical idle temps are outside the range of the builtin sensor (thermal sensors have a range at which they can measure things properly, and will give strange results outside their range. The builtin sensor in FX CPUs doesn't really cover anything in the 30s or lower, so you get strange idle temps reading - and adding 20C won't make them more accurate).

Thanks for the detailed response! 

So playing games and seeing 47c on Core Temps that is the legit temp of it... its not 47+20= 66c Right?

 

thanks again !

[SpaceGhostC2C]

13 hours ago, Foul said:

Thanks for the detailed response! 

So playing games and seeing 47c on Core Temps that is the legit temp of it... its not 47+20= 66c Right?

 

Yes. And perhaps more importantly, the official max temp ratings are based on that sensor (So when AMD says don't exceed 72C or whatever, they meant as measured by that sensor).

Also, the CPU socket temp measured by your motherboard is independent from that sensor, and it is the one that drives the overheating protections, etc.

So, you are covered