Apple Watch Ultra 2 / Samsung Galaxy Watch5 Pro 45 mm

Apple Watch Ultra 2: Apple Watch Ultra 2, 49 mm titanium case, GPS + Cellular; natural (2023) and black titanium added in 2024. Band options (Alpine Loop, Trail Loop, Ocean Band, Titanium Milanese Loop) vary by size. The Apple Watch Ultra (2022) and Ultra 3 (2025) are separate models.

Samsung Galaxy Watch5 Pro 45 mm: The Galaxy Watch5 Pro comes only in 45 mm, in Bluetooth (SM-R920) and LTE (SM-R925) versions. The Best Buy Canada reviews belong to the LTE Black model. The Galaxy Watch5 (40/44 mm aluminium) and the Golf Edition are different products.

SpecificationApple Watch Ultra 2Samsung Galaxy Watch5 Pro 45 mm
Release year20232022
Case49 mm, Grade 5 titanium; natural or black; 49 × 44 × 12 mm

Weight is 61.4 g in natural and 61.8 g in black. Fits 130–210 mm wrists.

Apple		—
DisplayAlways-On Retina LTPO2 OLED; 410 × 502 pixels, 326 ppi; 1,185 mm² display area

Brightness goes up to 3,000 nits and down to 1 nit in the dark. LTPO2 lowers the refresh rate to reduce battery use in always-on mode.

Apple		1.4-inch (34.6 mm) 450 × 450 Super AMOLED; full-colour Always On Display; sapphire crystal

Sapphire crystal resists scratches better than mineral and aluminosilicate glass; the raised bezel around the screen protects the glass from knocks.

Samsung
GlassFlat sapphire crystal front Apple—
Chip and storageS9 SiP (64-bit dual-core processor, 4-core Neural Engine); 64 GB

The S9 SiP can process Siri requests on the device and supports the double tap gesture (tapping thumb and index finger together twice).

Apple		—
LocationL1 + L5 dual-frequency GPS; GLONASS, Galileo, QZSS, BeiDou

The L5 band helps reduce position errors where signals bounce, such as among tall buildings and dense trees.

Apple		—
SensorsElectrical heart sensor; third-generation optical heart sensor; temperature sensor; depth gauge; water temperature sensor; compass; always-on altimeter

The electrical sensor runs the ECG app (age 22 and over). The temperature sensor is not for medical use; it supports retrospective ovulation estimates in cycle tracking.

Apple		Samsung BioActive (optical heart rate, electrical heart signal, bioelectrical impedance); temperature sensor; accelerometer, barometer, gyroscope, magnetometer, light

Bioelectrical impedance analysis estimates values such as body fat and skeletal muscle; results are not for medical diagnosis.

Samsung
Diving and durability100 m water resistance under ISO 22810:2010 (WR100); recreational scuba diving to 40 m under EN13319; IP6X under IEC 60529; MIL-STD 810H testing

The depth gauge is accurate to ±1 m; Apple advises against diving below 40 m. The MIL-STD 810H tests cover altitude, temperature shock, freeze/thaw, shock and vibration.

Apple		—
Cellular and wireless4G LTE and UMTS; Wi-Fi 4 (802.11n); Bluetooth 5.3; second-generation Ultra Wideband chip

Cellular use needs a carrier plan. Ultra Wideband enables precision finding of an iPhone; availability depends on the country.

Apple		—
Battery and chargingUp to 36 hours in normal use and 72 hours in Low Power Mode; fast charge to 80% in about 1 hour; built-in lithium-ion

The box includes a 1 m magnetic fast charger to USB-C cable; no adapter.

Apple		590 mAh (typical); WPC-based fast wireless charging

Samsung says the battery is 60% larger than the Galaxy Watch4’s.

Samsung
Controls and safetyCustomisable Action button; Digital Crown with haptic feedback; siren; Emergency SOS, fall and crash detection

The Action button is also used for Precision Start, beginning a workout recording at the exact start. The siren sounds a loud alert to call for help.

Apple		—
CompatibilityiPhone Xs or later, or iPhone SE (2nd generation or later), with iOS 18 or later

The watch is set up and used only with an iPhone; it does not work with Android phones.

Apple		—
Operating conditionsOn wrist –20 to 55 °C; diving 0–40 °C; altitude –500 to 9,000 m Apple—
Case and colour—Titanium case with D-Buckle Sport Band; Black Titanium or Gray Titanium

The D-Buckle band uses a folding clasp so the strap sits at the same point every time, in place of a standard pin buckle.

Samsung
Processor and memory—Exynos W920 dual-core 1.18 GHz; 1.5 GB RAM, 16 GB storage Samsung
Software—Launched with Wear OS 3.5 and One UI Watch 4.5; needs an Android 8.0+ phone with more than 1.5 GB of RAM

Wear OS 3 and later do not work with iPhone. Blood pressure and ECG work only in markets supported by Samsung Health Monitor and with Galaxy phones.

Samsung
Connectivity—LTE (LTE model); Bluetooth 5.2; Wi-Fi 2.4 + 5 GHz; NFC; GPS, GLONASS, BeiDou, Galileo Samsung
Navigation—GPX route import (Route Workout), turn-by-turn directions and Track Back

Track Back follows the recorded path in reverse to help you return to the start.

Samsung
Durability—5ATM + IP68; MIL-STD-810H

5ATM covers surface water activities such as swimming, not diving or high-pressure water. MIL-STD-810H is a set of military test methods, not a guarantee of impact resistance.

Samsung
Size and weight—45.4 × 45.4 × 10.5 mm; 46.5 g (without band) Samsung