Razer Blade 16 (2025) Review - Thin, Light, Punchy, and Efficient 19

Razer Blade 16 (2025) Review - Thin, Light, Punchy, and Efficient

Temperatures »

Measured Temperatures and Clocks

The AMD Ryzen AI 9 HX 370 Processor is a serious piece of hardware with its 12 cores and 24 threads. Thanks to Prime95, we can really push the processor to see how the cooling system performs under heavy load.

AMD states that the base clock for both the standard performance Zen 5 and the smaller area-efficient Zen 5c cores is 2.0 GHz. This Razer Blade 16, however, is able to maintain over 3.5 GHz for the Zen 5 cores and almost 2.70 GHz for the Zen 5c cores in CPU-bound scenarios. These results are excellent, it being a gaming laptop and not a desktop shows, but it's still perfectly capable of being used as a workhorse for heavy tasks.

CPU Load Test
Laptop ModelZen 5 P-CoresZen 5c E-CoresCPU PowerCPU Temp.Fan Speed
Razer Blade 16 (2025)
with RTX 5090
3.51 GHz2.66 GHz45 W73°C3300/3100 RPM

Power Profiles & Fan Speeds
Razer Blade 16 (2025) with RTX 5090
Power ModeZen 5 P-CoresZen 5c E-CoresCPU Temp.Fan Speed
Balanced
+ Automatic Fan Speed
3.67 GHz2.80 GHz72°C3200/3100 RPM
Silent
+ Automatic Fan Speed
3.49 GHz2.65 GHz74°C3000/2800 RPM

The combination of a GeForce "RTX 5090" and a thin laptop profile may sound like a recipe for disaster, but that's not valid in this case. The average GPU clock frequency is 1905 MHz, and the maintained 153 W TGP shows that the cooling is doing its job well.


GPU Load Test
Laptop ModelCore ClockChip Temp.Mem. Temp.GPU PowerFan SpeedNoise
Razer Blade 16 (2025)
with RTX 5090
1905 MHz84 °C78 °C153 W5000/4800 RPM51 dBA
SCHENKER KEY 18 Pro
with RTX 5090
1972 MHz74 °C70 °C157 W5200/4000 RPM57 dBA

Here's what I found when I tried the other power modes.

Power Profiles & Fan Speeds
Razer Blade 16 (2025) with RTX 5090
Power ModeCore ClockChip Temp.Mem. Temp.GPU PowerFan RPMNoise
Balanced + Automatic Fan Speed1732 MHz81 °C76 °C125 W4200/4000 RPM47 dBA
Silent + Automatic Fan Speed1760 MHz80 °C78 °C150 W3600/2800 RPM41 dBA
Quiet + Automatic Fan Speed1267 MHz74 °C72 °C81 W3500/3400 RPM41 dBA
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