Samsung Galaxy Watch5 (40 mm, Bluetooth) / Apple Watch Series 7 (45 mm, GPS)

Samsung Galaxy Watch5 (40 mm, Bluetooth): The 40 mm aluminium Bluetooth version of the Galaxy Watch5, in Graphite, Pink Gold and Silver. The 44 mm version has a larger screen and battery; the titanium Galaxy Watch5 Pro is a separate model.

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.

SpecificationSamsung Galaxy Watch5 (40 mm, Bluetooth)Apple Watch Series 7 (45 mm, GPS)
Release year20222021
Display1.2-inch (30.4 mm) Super AMOLED, 396 × 396 pixels; full-colour Always On Display; sapphire crystal

Sapphire crystal is a glass material that strongly resists scratching. The 44 mm version has a 1.4-inch, 450 × 450 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
Case and coloursArmor Aluminum case with Sport Band; Graphite, Pink Gold, Silver Samsung—
Size and weight39.3 × 40.4 × 9.8 mm; 28.7 g (without strap) Samsung45 × 38 × 10.7 mm; aluminium: 38.8 g

The 45 mm stainless steel case weighs 51.5 g and titanium 45.1 g.

Apple
ProcessorExynos W920, dual-core 1.18 GHz Samsung—
Memory and storage1.5 GB RAM; 16 GB internal storage Samsung—
Battery and charging284 mAh (typical); faster WPC-based wireless charging

WPC is the body behind the Qi wireless charging standard. The 44 mm version has a 410 mAh battery.

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
SoftwareAt launch Wear OS Powered by Samsung (Wear OS 3.5) with One UI Watch 4.5

The watch works with phones running Android 8.0 or later with more than 1.5 GB of RAM; it cannot be used with an iPhone.

Samsung
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SensorsSamsung BioActive Sensor (optical heart rate, electrical heart signal, bioelectrical impedance analysis); temperature sensor; accelerometer, barometer, gyro, geomagnetic and light sensors

The electrical heart signal is used for ECG and bioelectrical impedance for body composition estimates; availability of these features varies by country.

Samsung
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ConnectivityBluetooth 5.2; Wi‑Fi 802.11 a/b/g/n 2.4 + 5 GHz; NFC; GPS/GLONASS/BeiDou/Galileo

This version has no LTE; the LTE version is sold separately.

Samsung
Wi-Fi 802.11b/g/n 2.4 and 5 GHz; Bluetooth 5.0

LTE/UMTS is only on GPS + Cellular models.

Apple
Durability5ATM + IP68; MIL-STD-810H

5ATM suits shallow-water activities such as swimming, not diving.

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
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