Kospet Tank T4 vs Suunto 9 Peak Pro

What Tank T4 does better (3) and where 9 Peak Pro wins (2) — every spec side by side.

Kospet · 2026Tank T4

9.4Score

3 advantages≈ $180

Higher score

Suunto · 20229 Peak Pro

6.1Score

2 advantages≈ $210

9.1Display3.4

4.9Health tracking4.9

8.1Build & durability9.2

Why is Tank T4 better than 9 Peak Pro?

Specifications

Only differences	Kospet Tank T4≈ $1809.4	Suunto 9 Peak Pro≈ $2106.1
Design & durability
Case size	—	43 mm
Weight	71 g	64 g
Thickness	—	10.3 mm
Height	—	43 mm
Width	—	43 mm
Case material	Stainless steel	Stainless steel
Sapphire crystal	—	Yes
Lens / cover glass	Gorilla Glas	Saphirglas
Strap material	Silikon	Silicone
Water resistance	10 ATM	10 ATM
Water rating (maker)	100 m / 10 bar / 10 ATM	100 m / 10 bar / 10 ATM
Colours	Anthracite	—
Display
Screen size	1.43″	1.2″
Display technology	AMOLED	LCD
Panel	AMOLED	LCD
AMOLED / OLED display	Yes	No
Always-on display	—	Yes
Touchscreen	—	Yes
Resolution (width)	466 px	240 px
Resolution (height)	466 px	240 px
Pixel density	—	200 ppi
Battery
Battery life (smartwatch mode)	15 days	21 days
GPS battery life	—	40 h
Battery capacity	500 mAh	—
Battery type	—	Li-Ion
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	Yes	—
Temperature sensor	—	Yes
HRV tracking	—	Yes
Sleep tracking	Yes	Yes
Sensors	heart rate, SpO2, accelerometer	heart rate, SpO2, accelerometer
Sports & navigation
Built-in GPS	—	Yes
Dual-band GPS	—	No
Satellite systems	—	GPS, GLONASS, GALILEO, BDS, QZSS
Barometric altimeter	—	Yes
Compass	—	Yes
Multisport / triathlon mode	—	Yes
Sport profiles	—	95
Dive mode	—	Yes
Connectivity
Bluetooth	5	—
Platform
Operating system	—	Suunto OS
Platform	—	Proprietary
Works with	iOS, Android	iOS, Android