Both have AMOLED and GPS. The CMF is a designer round watch, the Redmi offers a big screen and record battery life.

Short answer

CMF Watch Pro 2 - round 1.32" 466×466, IP68, cheaper. Redmi Watch 5 - 2.07" 432×514, 550 mAh and up to 24 days.

Key differences

SpecCMF by Nothing Watch Pro 2Redmi Watch 5
Display1.32", AMOLED, 466×4662.07", AMOLED, 432×514
Battery lifeup to 11 daysup to 24 days
Battery305 mAh550 mAh
ConnectivityBluetoothBluetooth
NavigationGPS, GLONASS, Galileo, QZSS, BeiDouGPS, GLONASS, Galileo, BeiDou, QZSS
NFCnono
Sensorsheart rate, SpO2heart rate, SpO2, compass, gyroscope
ProtectionIP685 ATM
OS—Xiaomi HyperOS
Compatibility—Android 8.0+, iOS 12.0+
Dimensions, weight—47.5×41.1×11.3 mm, 33.5 g
Pricecurrent pricescurrent prices

Specs come from the device pages on Smartphone.ua.

Display

Round 1.32" 466×466 vs rectangular 2.07" 432×514.

Battery life

305 mAh and up to 11 days vs 550 mAh and up to 24 days.

What's the same

GPS with BeiDou and QZSS, heart rate, SpO2, no NFC.

Verdict: who should buy which

  • Design and price - CMF Watch Pro 2.
  • Display and battery life - Redmi Watch 5.

FAQ

Is there NFC?
No, on neither.

Can you swim with them?
The CMF is IP68, the Redmi 5 ATM.

Which is cheaper?
The CMF Watch Pro 2.

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