Samsung Galaxy Watch7 44 mm Bluetooth / Apple Watch Ultra (49 mm, 1st generation)

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.

Apple Watch Ultra (49 mm, 1st generation): Apple Watch Ultra, 49 mm natural titanium case, GPS + Cellular. The Apple Watch Ultra 2 and Ultra 3 are separate models.

Specification	Samsung Galaxy Watch7 44 mm Bluetooth	Apple Watch Ultra (49 mm, 1st generation)
Release year	2024	2022
Display	Super 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	LTPO2 OLED always-on Retina; 410 × 502 pixels; 1185 mm² display area; up to 2000 nits LTPO lets the refresh rate drop very low, so the screen can stay on without draining the battery. 2000 nits was twice as bright as any earlier Apple Watch display. Apple
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	Electrical heart sensor (ECG); third-generation optical heart sensor; blood oxygen sensor Availability of the ECG and blood oxygen apps varies by country. Apple
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	LTE and UMTS; Wi-Fi 802.11b/g/n 2.4 and 5 GHz; Bluetooth 5.3 With cellular, the watch can make calls and get messages without the phone nearby; carrier support is required. Apple
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	—
Case and glass	—	49 mm natural titanium case; flat sapphire front crystal; ceramic and sapphire back The flat front crystal is protected by a raised titanium edge. Apple
Chip	—	S8 SiP with 64-bit dual-core processor; W3 wireless chip; U1 Ultra Wideband chip; 32 GB storage Availability of Ultra Wideband features varies by country. Apple
Location and navigation	—	Dual-frequency GPS (L1 and L5), GLONASS, Galileo, QZSS, BeiDou; compass; always-on altimeter The L5 signal helps separate signals reflected by tall buildings and trees; Apple called it the most accurate GPS of any Apple Watch at the time. Apple
Diving and water	—	WR100 (ISO 22810); dive-ready to 40 metres (EN 13319); water temperature sensor and depth gauge; IP6X dust Apple points to the third-party Oceanic+ app for recreational scuba diving to 40 metres; the watch itself is not certified as a dive computer. Apple
Safety	—	86-decibel emergency siren; Fall and Crash Detection (high-g accelerometer up to 256 g); Emergency SOS The siren plays two distinct patterns, one signalling distress and one mimicking SOS. Apple
Battery	—	Up to 36 hours; up to 18 hours with LTE; USB-C magnetic fast-charging cable Runtime depends on display, workout and cellular use; using LTE away from the phone drains the battery noticeably faster. Apple
Low-power setting	—	Up to 60 hours Apple announced that this setting would arrive in software after launch, in autumn 2022; it extends runtime by taking some readings less often. Apple
Operating temperature	—	−20 °C to 55 °C on the wrist Apple
Weight	—	61.3 g (without band) Apple
Compatibility	—	iPhone 8 or later with iOS 16 or later The watch can only be set up and used with an iPhone; it does not pair with Android phones. Apple