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Balance Ultra vs Venu 4 45mm

Amazfit Balance Ultra vs Garmin Venu 4 45mm

What Balance Ultra does better (8) and where Venu 4 45mm wins (2) — every spec side by side.

Amazfit · 2026Balance Ultra

9.7Score

8 advantages≈ $600

Higher score

Garmin · 2025Venu 4 45mm

6.4Score

2 advantages≈ $550

8.7Display5.5

9.6Battery life6.1

4.9Health tracking8.0

9.4Sports & outdoor3.5

5.2Smart features7.0

9.6Build & durability2.8

Dimensions

Size comparison

Balance UltraVenu 4 45mm

	Balance Ultra	Venu 4 45mm	Difference
Height	51.8 mm	45 mm	+6.8 mm
Width	51.8 mm	45 mm	+6.8 mm
Thickness	13.4 mm	12.5 mm	+0.9 mm
Weight	57 g	38 g	+19 g

Drawn to the same scale from the official dimensions (front and side).

Why is Balance Ultra better than Venu 4 45mm?

Battery life (smartwatch mode)30 days vs 12 days2.5×
Water resistance10 ATM vs 5 ATM2×
GPS battery life (dual-band)50 h vs 17 h2.9×
Storage64 GB vs 8 GB8×
Sapphire crystalYes · Venu 4 45mm: No
Sport profiles180 vs 92+96%
Screen size1.5″ vs 1.4″+7%
Resolution (width)480 px vs 454 px+6%

Why is Venu 4 45mm better than Balance Ultra?

Weight57 g vs 38 g+50%
Thickness13.4 mm vs 12.5 mm+7%

Specifications

Side by side

Only differences	Amazfit Balance Ultra≈ $6009.7	Garmin Venu 4 45mm≈ $5506.4
Design & durability
Case size	49 mm	45 mm
Weight	57 g	38 g
Thickness	13.4 mm	12.5 mm
Height	51.8 mm	45 mm
Width	51.8 mm	45 mm
Case material	Titanium	Stainless steel
Sapphire crystal	Yes	No
Lens / cover glass	Sapphire glass	Corning® Gorilla® Glass 3
Strap material	—	silicone
Water resistance	10 ATM	5 ATM
Water rating (maker)	—	Swim, 5 ATM
Military-grade (MIL-STD-810)	Yes	—
Display
Screen size	1.5″	1.4″
Display technology	AMOLED	AMOLED
Panel	AMOLED	AMOLED
AMOLED / OLED display	Yes	Yes
Always-on display	—	Yes
Touchscreen	Yes	Yes
Resolution (width)	480 px	454 px
Resolution (height)	480 px	454 px
Pixel density	323 ppi	324 ppi
Peak brightness	3,000 nits	—
Battery
Battery life (smartwatch mode)	30 days	12 days
Battery life with always-on display	—	4 days
Battery saver mode	—	25 days
GPS battery life	—	20 h
GPS battery life (dual-band)	50 h	17 h
Battery capacity	780 mAh	—
Battery type	—	Lithium ion
Wireless charging	—	No
Charging	—	Garmin proprietary plug charger
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	—	Yes
Skin temperature	—	Yes
Temperature sensor	Yes	Yes
HRV tracking	—	Yes
Sleep tracking	Yes	Yes
Sensors	—	GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	Yes	Yes
Satellite systems	—	GLONASS, GALILEO, BDS, QZSS
Barometric altimeter	Yes	Yes
Compass	Yes	Yes
Multisport / triathlon mode	—	Yes
Sport profiles	180	92
LED flashlight	Yes	Yes
Connectivity
NFC payments	—	Yes
Wi-Fi	Wi-Fi 4	Wi-Fi 4
Bluetooth	5.2	—
ANT+ sensors	—	Yes
Smart features
Calls from the wrist	Yes	Yes
Speaker	Yes	Yes
Microphone	Yes	Yes
Voice assistant	Yes	Yes
Music on the watch	Yes	Yes
Storage	64 GB	8 GB
Third-party apps	—	Yes
Platform
Operating system	Zepp OS	Garmin OS
Platform	Proprietary	Proprietary
Works with	Android, iOS	iOS, Android