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Samsung Galaxy Watch3 phone review — specs and Genze score

Samsung Galaxy Watch3 Specifications

Versions: SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only) 45mm size, 1.4" display, 340 mAh battery 41mm size, 1.2" display, 247 mAh battery

Samsung

Released 2020, Aug 6

1 GB RAM · Exynos 9110 (10 nm)

  • 53.8 (45mm), 48.2g (41mm), 43g (45mm tt.), 11.1mm thickness
  • Tizen OS 5.5
  • 4GB/8GB storage, no card slot

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Genze vs community

Genze and community ratings are both shown on a /10 scale. Genze is derived from internal model scores and price rules; community averages come from approved reviews (1–10 per category).

Category Genze /10 Users /10
Battery 0.7
Display 5.8
Performance 3.5
Camera 3.6
Body 6.8
Gaming 4.5
Software 4.4
Connectivity 2.5
Sensors 7.2
Software updates
Clean software
Heating
Media
Genze total: 4.1/10

Community columns fill in when reviews are approved.

Quick specifications

1.4"

360x360 pixels

NO

1GB RAM

Exynos 9110

340mAh

5W

Score breakdown

From specs, price tier & release year

4.1 /10
Performance 3.5/10
Battery 0.7/10
Display 5.8/10
Camera 3.6/10
Body 6.8/10
Gaming 4.5/10
Software 4.4/10
Connectivity 2.5/10
Sensors 7.2/10
10 nm 1.15 GHz BT 5.0 2020

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Full specifications

Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 7, 8, 20
Speed HSPA, LTE
Announced 2020, August 05
Status Available. Released 2020, August 06
Dimensions 46.2 x 45 x 11.1 mm (1.82 x 1.77 x 0.44 in)
Weight 53.8 (45mm), 48.2 g (41mm), 43 g (45mm tt.) (1.90 oz)
Build Glass front (Gorilla Glass DX), stainless steel frame 316L or titanium frame
SIM eSIM
??? MIL-STD-810G compliant*

IP68 dust tight and water resistant (immersible up to 50m)

ECG certified

Blood pressure monitor

Compatible with standard 22mm straps

Rotating bezel

*does not guarantee ruggedness or use in extreme conditions
Type Super AMOLED
Size 1.4 inches
Resolution 360 x 360 pixels (~364 ppi density)
Protection Corning Gorilla Glass DX
OS Tizen OS 5.5
Chipset Exynos 9110 (10 nm)
CPU Dual-core 1.15 GHz Cortex-A53
GPU Mali-T720
Card slot No
Internal 4GB 1GB RAM, 8GB 1GB RAM
??? eMMC
??? No
Loudspeaker Yes
3.5mm jack No
WLAN Wi-Fi 802.11 b/g/n
Bluetooth 5.0, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS
NFC Yes
Radio No
USB No
Sensors Accelerometer, gyro, heart rate, barometer
Type Li-Ion 340 mAh
Charging Wireless
Colors Mystic Bronze, Mystic Black, Mystic White
Models SM-R850, SM-R840, SM-R855F, SM-R845F, SM-R855U, SM-R845U
Price About 100 EUR

Samsung Galaxy Watch3 official images

Samsung Galaxy Watch3

Frequently asked questions

Is Samsung Galaxy Watch3 worth buying in 2026?

Samsung Galaxy Watch3 is worth considering if its strengths match your priorities. Genze scores it 4.1/10 for its class. Read owner reviews and compare alternatives before you buy.

What is the battery capacity of Samsung Galaxy Watch3?

Samsung Galaxy Watch3 has a 340 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.

What display size does Samsung Galaxy Watch3 have?

Samsung Galaxy Watch3 features a 1.40-inch display. See the Display section for resolution, refresh rate, and panel details.

Is Samsung Galaxy Watch3 water resistant?

Samsung Galaxy Watch3 is rated IP68. Always follow manufacturer guidance for liquids and dust exposure.

How much RAM does Samsung Galaxy Watch3 have?

Samsung Galaxy Watch3 is available with 1 GB RAM variants. Storage options are listed in the Memory section.

What is the Genze score for Samsung Galaxy Watch3?

Genze rates Samsung Galaxy Watch3 4.1/10 based on performance, display, camera, battery, body build, and value versus phones in the same price tier.

Where do these specifications come from?

Specifications are compiled from official manufacturer and carrier sources, reviewed by our editors where possible, and enriched with Genze scores and community feedback. GenZe Rank is not responsible for errors or omissions. Regional variants, firmware updates, and retailer listings may differ from what is shown here—always confirm critical details on the official product page before you buy.

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