Flirc Raspberry Pi 5 Case on Raspberry Pi 5

Passive Coolingfor Raspberry Pi 5

Tested Mar 13, 2026$16.95Product Page

Peak Temp

79°C

36°C idle

CPU Frequency

2400MHz

2400 MHz idle

No Throttling

Power Draw

7.7W

3.3W idle

No Thermal Throttling

CPU maintained full frequency throughout the test

Test Configuration

Board: Raspberry Pi 5 4GB
SoC: Broadcom BCM2712
CPU Governor: performance
Operating System: Debian GNU/Linux 13
Kernel: 6.12.47+rpt-rpi-2712

Improvement vs Stock

Baseline: Raspberry Pi 5 (No Cooling) (87°C peak)
Load Improvement: -8.0°C
Idle Improvement: -14.0°C
Value ($/°C): $2.12/°C
Cooler Price: $16.95

Thermal Timeline

LayersTemperatureCPU FrequencyPower

Baseline (1min idle)

Load (1h stress)

Cooldown (1min)

Other Coolers Tested on Raspberry Pi 5

Entaniya Heat Pipe for Raspberry Pi 5

PassiveNo throttle

-26.0°C vs default$169.00

Entaniya Pi 5 Heatsink

PassiveThrottles

+0.0°C vs default$3.15

Raspberry Pi 5 (No Cooling)

NoneDefaultThrottles

BaselineIncluded