F5F Stay Refreshed Power Users Overclocking CPU Temp question

CPU Temp question

CPU Temp question

_
___Kim___
Junior Member
17
04-20-2023, 11:40 AM
#1
I upgraded my core 2 duo e8500 to xeon e5440 and discovered that most software, except AIDA64, displays temperature readings different from the BIOS. Programs like speecy, core temp, hw monitor, hw info, msi afterburner, etc., show temperatures 15-20 degrees C higher than the BIOS (BIOS shows 25-40, others 40-65). Only AIDA64 matches the BIOS temperature. Now I’m uncertain whether to rely on BIOS and AIDA64 or other popular tools since I plan to overclock my CPU. If BIOS and AIDA64 are inaccurate, my temperatures might be too high for safe overclocking.
_
___Kim___
04-20-2023, 11:40 AM #1

I upgraded my core 2 duo e8500 to xeon e5440 and discovered that most software, except AIDA64, displays temperature readings different from the BIOS. Programs like speecy, core temp, hw monitor, hw info, msi afterburner, etc., show temperatures 15-20 degrees C higher than the BIOS (BIOS shows 25-40, others 40-65). Only AIDA64 matches the BIOS temperature. Now I’m uncertain whether to rely on BIOS and AIDA64 or other popular tools since I plan to overclock my CPU. If BIOS and AIDA64 are inaccurate, my temperatures might be too high for safe overclocking.

X
163
04-20-2023, 12:33 PM
#2
I believe I discovered the fix. The issue was with tjmax; my CPU runs at 85°C, but most software sets it to 100°C. I manually adjusted tjmax to 85°C in real temperature and it now matches AIDA64 and BIOS readings. I found this information on the link provided.
X
XExtremeGamerX
04-20-2023, 12:33 PM #2

I believe I discovered the fix. The issue was with tjmax; my CPU runs at 85°C, but most software sets it to 100°C. I manually adjusted tjmax to 85°C in real temperature and it now matches AIDA64 and BIOS readings. I found this information on the link provided.

F
Fred10244
Posting Freak
937
04-20-2023, 05:08 PM
#3
I would confidently rely on the BIOS.
F
Fred10244
04-20-2023, 05:08 PM #3

I would confidently rely on the BIOS.

_
_Ace_Plays
Member
55
04-22-2023, 01:33 AM
#4
There are several temperature sensors available. The BIOS usually includes one close to the CPU socket, though it's not the CPU itself. The software you employ obtains readings directly from the CPU die. I personally rely on Core temp and Real Temp.
_
_Ace_Plays
04-22-2023, 01:33 AM #4

There are several temperature sensors available. The BIOS usually includes one close to the CPU socket, though it's not the CPU itself. The software you employ obtains readings directly from the CPU die. I personally rely on Core temp and Real Temp.

D
dmko
Member
125
04-29-2023, 12:01 AM
#5
There are several temperature sensors. The BIOS usually has one near the CPU socket, but it's not the CPU itself. The software you use reads temperatures from the CPU die. I personally check Core temp and Real Temp. Core temp displays 50 idle at 70 degrees under load, while AIDA64 shows 30 idle at 50 under load.
D
dmko
04-29-2023, 12:01 AM #5

There are several temperature sensors. The BIOS usually has one near the CPU socket, but it's not the CPU itself. The software you use reads temperatures from the CPU die. I personally check Core temp and Real Temp. Core temp displays 50 idle at 70 degrees under load, while AIDA64 shows 30 idle at 50 under load.

L
lowie553
Junior Member
11
04-29-2023, 04:24 AM
#6
There are several temperature sensors in use. The BIOS usually includes one near the CPU socket, but it's not just the CPU itself. The software you're running provides temperature data from the CPU die. I'm using Core temp and Real Temp. Core temp displays 50 idle at 70 degrees under load, while AIDA64 shows 30 idle at 50 under load. Are you on the same motherboard? If yes, please update the BIOS. The Xeon is a server-grade component designed for long-term stability and not for overclocking.
L
lowie553
04-29-2023, 04:24 AM #6

There are several temperature sensors in use. The BIOS usually includes one near the CPU socket, but it's not just the CPU itself. The software you're running provides temperature data from the CPU die. I'm using Core temp and Real Temp. Core temp displays 50 idle at 70 degrees under load, while AIDA64 shows 30 idle at 50 under load. Are you on the same motherboard? If yes, please update the BIOS. The Xeon is a server-grade component designed for long-term stability and not for overclocking.

H
HitTom9886
Member
229
04-30-2023, 07:06 PM
#7
There are several temperature sensors. The BIOS usually has one near the CPU socket, though the CPU itself isn't monitored. The software you use reads temperatures from the CPU die. I use Core temp and Real Temp. Core temp shows 50 idle 70 under load, and AIDA64 30 idle 50 under load. Are you using the same motherboard? If yes, update the BIOS.

Why a Xeon? It's a server-grade part designed for long-term stability and not overclocking.

I'm on the same motherboard, updated BIOS and microcode, installed the newest one, and it's giving performance similar to Q9550 at half the price. It was a good upgrade from my Core 2 Duo.
H
HitTom9886
04-30-2023, 07:06 PM #7

There are several temperature sensors. The BIOS usually has one near the CPU socket, though the CPU itself isn't monitored. The software you use reads temperatures from the CPU die. I use Core temp and Real Temp. Core temp shows 50 idle 70 under load, and AIDA64 30 idle 50 under load. Are you using the same motherboard? If yes, update the BIOS.

Why a Xeon? It's a server-grade part designed for long-term stability and not overclocking.

I'm on the same motherboard, updated BIOS and microcode, installed the newest one, and it's giving performance similar to Q9550 at half the price. It was a good upgrade from my Core 2 Duo.