HUAWEI WATCH GT 7 46 mm / Samsung Galaxy Watch7 44 mm Bluetooth

HUAWEI WATCH GT 7 46 mm: TUM-B39 · 46 mm · black EasyCross fluoroelastomer strap; not the Pro or 41 mm version.

Samsung Galaxy Watch7 44 mm Bluetooth: Galaxy Watch7 44 mm Bluetooth (SM-L310); Green and Silver. The 40 mm (SM-L300), the LTE versions and the Galaxy Watch Ultra are separate models.

SpecificationHUAWEI WATCH GT 7 46 mmSamsung Galaxy Watch7 44 mm Bluetooth
Release year20262024
Model codeTUM-B39 Huawei—
Case46 × 46 × 10.95 mm; stainless steel Huawei—
WeightApproximately 51.3 g without strap Huawei—
Wrist range140–210 mm Huawei—
Display1.47-inch AMOLED; 466 × 466; 317 ppi HuaweiSuper AMOLED; 480 × 480 (about 327–330 ppi); 2000 nits

The 2000-nit peak helps readability in sunlight; using the always-on display shortens battery life.

Samsung
Peak brightness3000 nits at 30% APL laboratory conditions

Not sustained full-screen brightness.

Huawei		—
ControlsRotating/pressable crown; side button Huawei—
Bluetooth6.0; BR + BLE, 2.4 GHz Huawei—
PositioningGPS L1/L5; Galileo E1/E5a; BeiDou B1I/B1C/B2a; GLONASS, QZSS, NavIC Huawei—
Phone compatibilityAndroid 9 or iOS 13 and later Huawei—
SensorsAccelerometer, gyroscope, magnetometer, optical heart rate, barometer, temperature and ambient light Huawei—
CallsSpeaker and microphone; Bluetooth connection to paired phone Huawei—
Battery modesUp to 21 days light use, 12 typical, 7 with AOD Huawei—
Trail runningUp to 51 hours under manufacturer test conditions Huawei—
ChargingWireless cradle; adapter requirement up to 5–10 V DC/2 A Huawei—
Water protection5 ATM and IP69; not approval for diving or hot showers.

Water resistance is not permanent; leather and woven straps have different limitations.

Huawei		—
Operating temperature-20 to +45 °C Huawei—
NFCHardware supported; payments depend on country, bank and phone compatibility. Huawei—
Processor and memory—Exynos W1000 (5 cores, 3 nm, 1.6 GHz); 2 GB RAM, 32 GB storage Samsung
Battery and charging—425 mAh; WPC-based fast wireless charging

A fast wireless charging puck is in the box, but no wall adapter.

Samsung
Location—Dual-frequency GPS (L1 + L5)

The L5 band helps separate signals reflected by tall buildings and trees; dual-frequency mode can increase battery use.

Samsung
Health sensors—BioActive sensor: heart rate, irregular heart rhythm notification (IHRN), ECG, blood pressure, BIA body composition; continuous SpO2; skin temperature

Availability of ECG and blood pressure depends on country and paired phone; blood pressure measurement is not offered in the US.

Samsung
Health features—Sleep apnea detection; Energy Score; AGEs Index (Labs, experimental)

Energy Score turns sleep, activity and heart data into a daily readiness score; AGEs Index is experimental and not for diagnosis.

Samsung
Connectivity—Bluetooth 5.3; Wi-Fi 2.4 + 5 GHz; NFC

This version has no cellular connection; calls and notifications come through the paired phone.

Samsung
Durability—5ATM, IP68, MIL-STD-810H; Armor Aluminum case

5ATM describes water resistance suitable for surface swimming; it is not for diving or high-speed water sports.

Samsung
Size and weight—44.4 × 44.4 × 9.7 mm; 33.8 g (without strap) Samsung
Feedback—Microphone, speaker, vibration motor Samsung
Colours—Green, Silver Samsung