Samsung Galaxy Watch6 Classic (47 mm) / Apple Watch Series 7 (45 mm, GPS)

Samsung Galaxy Watch6 Classic (47 mm): Galaxy Watch6 Classic 47 mm (2023); the Bluetooth version is SM-R960, and the LTE version is sold under a separate model code. The 43 mm Classic, the flat-bezel Galaxy Watch6 and the later Watch8 Classic are separate models.

Apple Watch Series 7 (45 mm, GPS): Apple Watch Series 7, 45 mm aluminium case, GPS model. The 41 mm case, GPS + Cellular, stainless steel and titanium versions are separate configurations with different display area and weight.

Specification	Samsung Galaxy Watch6 Classic (47 mm)	Apple Watch Series 7 (45 mm, GPS)
Release year	2023	2021
Display	1.5-inch (37.3 mm) Super AMOLED, 480 × 480 pixels; full-colour Always On Display; sapphire crystal glass According to Samsung, the display is larger than on the Watch4 Classic and the rotating bezel is 15% thinner. Sapphire crystal resists scratches; the bezel partly surrounds the edge of the screen. Samsung	Always-On Retina LTPO OLED; 396 × 484 pixels; 1,143 mm² display area; 1,000 nits brightness The 41 mm case has 352 × 430 pixels and 904 mm² of display area. The LTPO panel lowers its refresh rate when the wrist is down so the screen can stay on. Apple
Rotating bezel	Physical rotating bezel; menu, notification and app control Turning the bezel moves between notifications and tiles without touching the screen; its position is sensed by a 3D Hall sensor. Samsung	—
Case	Stainless steel; quick-release band button Samsung	—
Processor, memory and storage	Exynos W930 dual-core 1.4 GHz; 2 GB memory, 16 GB storage Samsung	—
Battery and charging	425 mAh; up to 40 hours with Always On Display off, up to 30 hours with it on; WPC-based fast wireless charging Samsung’s fast-charge testing used the magnetic fast-charging cable and a separately sold 25 W adapter. Battery life varies with network, usage and watch face. Samsung	Up to 18 hours; built-in lithium-ion battery; USB-C magnetic fast charging cable Apple’s battery test was done in August 2021 with preproduction watches paired to an iPhone; actual life varies with use and settings. The fast-charge test used the A2515 cable and a 20 W USB-C adapter; the adapter is not in the box. Apple
Operating system	Launched with Wear OS 4 (Wear OS Powered by Samsung) and One UI 5 Watch Setup needs a phone with Google Mobile Services, Android 10 or later and more than 1.5 GB of memory; it does not work with an iPhone. Samsung	—
Sensors	Samsung BioActive Sensor (optical heart rate + electrical heart signal + bioelectrical impedance analysis), temperature, accelerometer, barometer, gyro, geomagnetic, light and 3D Hall sensor Bioelectrical impedance analysis passes a weak current through the body when two fingers rest on the buttons to estimate muscle, fat and water; it should not be used with a pacemaker or during pregnancy. ECG and blood pressure work only in approved markets through Samsung Health Monitor. Samsung	—
Connectivity	Bluetooth 5.3, Wi‑Fi 2.4 + 5 GHz, NFC, GPS/GLONASS/BeiDou/Galileo LTE is only on the LTE version; on the Bluetooth version internet and notifications come through the paired phone. Samsung	Wi-Fi 802.11b/g/n 2.4 and 5 GHz; Bluetooth 5.0 LTE/UMTS is only on GPS + Cellular models. Apple
Durability	5ATM + IP68, MIL-STD-810H 5ATM corresponds to 50 metres for 10 minutes; it is not suitable for diving or high-pressure water. IP68 covers 1.5 metres in fresh water for 30 minutes. Samsung	Water resistant to 50 metres under ISO 22810:2010; IP6X dust resistant; ceramic and sapphire crystal back Suitable for shallow-water activities such as swimming in a pool or the sea; not for scuba diving, waterskiing or high-velocity water. Apple
Size and weight	46.5 × 46.5 × 10.9 mm; 59.0 g (without band) Thickness is measured without the health sensors. Samsung	45 × 38 × 10.7 mm; aluminium: 38.8 g The 45 mm stainless steel case weighs 51.5 g and titanium 45.1 g. Apple
Chip	—	S7 SiP with 64-bit dual-core processor; W3 wireless chip; U1 (Ultra Wideband) Ultra Wideband availability varies by region. Apple
Health sensors	—	Blood oxygen sensor (Blood Oxygen app); electrical heart sensor (ECG app); third-generation optical heart sensor Blood oxygen readings are not for medical use. The ECG app and irregular rhythm notification need the latest watchOS/iOS and are not intended for people under 22. Apple
Motion and safety	—	Accelerometer up to 32 g-forces with fall detection; gyroscope; ambient light sensor; Emergency SOS On the GPS model, Emergency SOS needs the iPhone nearby or a known Wi-Fi network with Wi-Fi Calling; international emergency calling is only on the GPS + Cellular model. Apple
Location	—	GPS, GLONASS, Galileo, QZSS and BeiDou; compass; always-on altimeter Apple
Storage	—	32 GB Apple
Compatibility	—	Requires iPhone 6s or later with the latest iOS Per Apple’s launch documentation; some features are unavailable when the watch is set up through Family Setup. Apple
Colours	—	Aluminium: Midnight, Starlight, Green, Blue, (PRODUCT)RED Apple