Apple Watch Ultra 3 vs Garmin Instinct 3 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Apple Watch Ultra 3 Garmin Instinct 3
Expected release · Sep 19, 2025
1.9-inch · 502x410px
1.3-inch · 416x416px
1GB · 64GB
4GB
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Availability

Officially announced
Sep 09, 2025
Scheduled release
(Official) Sep 19, 2025
Prices (MSRP)
$799 $499

Design

Dimensions
1.93 x 1.73 x 0.47 inches
49 x 44 x 12 mm
1.97 x 1.97 x 0.57 inches
50 x 50 x 14.4 mm
Weight
2.17 oz / 61.6 g 2.08 oz / 59.0 g
Materials
Back: Ceramic
Frame: Titanium
Resistance
Water, Dust; IP6X; MIL-STD-810 certified Water (up to 10 meters), Dust
Colors
Natural, Black

Display

Size
1.9-inch 1.3-inch
Type
OLED, 3000 nits AMOLED
Resolution
502x410px, 338 PPI 416x416px, 453 PPI
Protection
Sapphire

Hardware

System chip
Apple S10
Processor
Dual-core
GPU
PowerVR
Memory
1GB/64GB 4GB
Storage expansion
not expandable
OS
watchOS (10.x)

Battery

Type
Li - Ion
Charging
Qi wireless charging

Connectivity & Features

Bluetooth
5.3
WLAN
a,b,g,n,ac
802.11 b, g, n
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen Accelerometer, Gyroscope, Compass, Heart rate, Thermometer, Barometer, Step detector, Step counter, Blood Oxygen
Location
A-GPS, Glonass, Galileo, BeiDou, QZSS GPS, Glonass, Galileo
Other
NFC, Ultra Wideband (UWB)

Multimedia

Speakers
Multiple speakers

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 25, 26, 66
4G (TDD) Bands
39, 40, 41
3G Bands
1, 2, 4, 5
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM

Alternative variants

45mm
Size 1.2-inch
Dimensions 1.77 x 1.77 x 0.59 inches
45 x 45 x 14.9 mm
Weight 1.87 oz / 53.0 g
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