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Samsung Galaxy Watch Ultra2

Device A

Galaxy Watch Ultra2

Samsung · Smartwatch

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Huawei Watch D3

Device B

Watch D3

Huawei · Smartwatch

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Complete comparison

Full specifications

Every available group and stored value, aligned by field.

LAUNCH DATE3 fields
SpecificationGalaxy Watch Ultra2Watch D3
Announced2026, July 222026, September 2
Released2026-08-072026-09-11
StatusAvailableAvailable
NETWORK3 fields
SpecificationGalaxy Watch Ultra2Watch D3
3G BandsB1(2100), B2(1900), B4(AWS), B5(850), B8(900)—
4G LTEB1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B14(700), B18(800), B19(800), B20(800), B25(1900), B26(850), B28(700), B66(AWS-3), B71(600); B34(2010), B38(2600), B39(1900), B40(2300), B41(2500)—
Technology3G WCDMA, 4G LTE FDD, 4G LTE TDDNo cellular connectivity
BODY7 fields
SpecificationGalaxy Watch Ultra2Watch D3
BuildSapphire crystal front, Ceramic/sapphire crystal back, Titanium frame (grade 4)Aluminum alloy case; rotating crown; function/ECG button
Colors—Mocha Gold, Gold, Black
Dimensions47.4 x 47.1 x 10.7 mm46.5 x 41 x 11.3 mm
IP RatingIP68/IP69K dust tight and Water resistant (immersible up to 100m/10ATM for 10 min)IP68
SIMEmbedded-SIM—
Strap—25.5 mm wide strap with built-in inflatable airbag cuff; Sand Composite Leather, White Composite Leather or Black HNBR; fits 130-210 mm wrists (M: 130-160 mm, L: 161-210 mm)
Weight61.5 gApprox. 40 g (without strap)
DISPLAY5 fields
SpecificationGalaxy Watch Ultra2Watch D3
Brightness—3000 nits (peak)
Color16M—
Resolution498 x 498408 x 480 pixels, 328 ppi
Size1.52 inches (38.5 mm)1.92 inches
TypeSuper AMOLEDLTPO AMOLED
PLATFORM3 fields
SpecificationGalaxy Watch Ultra2Watch D3
CPUPenta-Core, 2.1 GHz, 1.95 GHz—
ChipsetSnapdragon SW6100 Wear Elite (3 nm)—
OSWear OS Powered by SamsungHarmonyOS
MEMORY2 fields
SpecificationGalaxy Watch Ultra2Watch D3
Internal64 GB—
RAM2 GB—
SOUND2 fields
SpecificationGalaxy Watch Ultra2Watch D3
LoudspeakerYesYes
Microphones—Yes
COMMUNICATION4 fields
SpecificationGalaxy Watch Ultra2Watch D3
BluetoothBluetooth v6.0Bluetooth 6.0 (2.4 GHz, BR + BLE)
NFCYesYes
PositioningGPS, Glonass, Beidou, Galileo, QZSSGPS
WLAN802.11a/b/g/n 2.4GHz+5GHz—
FEATURES2 fields
SpecificationGalaxy Watch Ultra2Watch D3
Health Features:—Wrist blood pressure measurement (oscillometric method with micro-pump and airbag cuff; CE-MDR certified medical device); 24-hour ambulatory BP monitoring (ABPM) with reports; resting and pre-/post-exercise BP modes; ECG; pulse wave arrhythmia analysis (AFib alerts); heart rate; HRV; SpO2; sleep tracking; emotional wellbeing
SensorsAccelerometer, Barometer, Bioelectrical Impedance Analysis Sensor, Electrical Heart Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor, Temperature Sensor9-axis IMU (accelerometer, gyroscope, magnetometer), optical heart rate sensor, ECG sensor, ambient light sensor, barometer, temperature sensor, differential pressure sensor, Hall sensor
BATTERY4 fields
SpecificationGalaxy Watch Ultra2Watch D3
Battery Life—Up to 6 days (typical use); up to 1 day with ABPM enabled
Capacity800 mAh (typical)540 mAh
Charging Type10W WirelessWireless charging (5-10V/2A); full charge in about 75 min
TypeNon-removable—
ADDITIONAL INFORMATION6 fields
SpecificationGalaxy Watch Ultra2Watch D3
ColorsTitanium Gray, Titanium Silver—
CompatibilityIndia, LTE specification setNeeds the Huawei Health app, which is not on Google Play (install from Huawei AppGallery or as an APK via the QR code on the watch). Android 8.0 or later and iOS 13.0 or later (EU spec page); China spec page lists HarmonyOS 2+, Android 9.0+ and iOS 13.0+. Petal Maps turn-by-turn navigation works only with Huawei phones, and iPhones get fewer features (Notebookcheck).
Environmental—Cardboard retail box; the plastic bags are at least partly compostable per Huawei (the inner packaging still uses coated liners and foam) (Notebookcheck review)
Launch Price—EUR 449 (Germany/Europe), GBP 399.99 (UK), CNY 2,988 (China) — Europe launch 2026-09-02; China pre-sale Sept 2026
ModelsSM-L715FZSAINSRIV-B10, RIV-B11
Price in Nigeria₦899,000 (Stored estimate)₦720,600 (Stored estimate)
TESTS1 field
SpecificationGalaxy Watch Ultra2Watch D3
Battery Endurance—Typical use: up to 6 days; with ABPM (24-h blood pressure every 15 min): up to 1 day (Huawei lab test). Notebookcheck review: 4 full days with 15% left (continuous heart rate, GPS workouts, 60+ blood pressure readings); 50% charge in 16 min

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