Raspberry Pi Compute Module 4 (CM4) Thermal Performance (Default (No Cooling))

Default (No Cooling)
Tested May 25, 2026
Peak Temp
76°C
36°C idle
CPU Frequency
1500MHz
1500 MHz idle
No Throttling
Power Draw
3.8W
1.6W idle

No Thermal Throttling

CPU maintained full frequency throughout the test

Test Configuration

CPU Governor
performance
Operating System
Debian GNU/Linux 12
Kernel
6.12.34+rpt-rpi-v8

Thermal Timeline

Layers
Baseline (1min idle)
Load (1h stress)
Cooldown (1min)

How It Compares on the Raspberry Pi Compute Module 4 (CM4)

CoolerTypePeakvs StockPrice
Passive55°C-21.0°C$4.60
Raspberry Pi Compute Module 4 (CM4) (No Cooling)This coolerBaseline
None76°C--
See the full Raspberry Pi Compute Module 4 (CM4) cooler comparison