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Samsung Galaxy Watch4 phone review — specs and Genze score

Samsung Galaxy Watch4 Specifications

Versions: Bluetooth; Bluetooth/LTE

Samsung

Released 2021, Aug 27

5 GB RAM · Exynos W920 (5 nm)

  • 30.3g (44mm), 25.9g (40mm), 9.8mm thickness
  • Android Wear OS 4, up to 6.0, One UI Watch 8
  • 16GB 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 4.8
Camera 3.6
Body 6.4
Gaming 5.3
Software 4.4
Connectivity 2.5
Sensors 7.2
Software updates
Clean software
Heating
Media
Genze total: 4.5/10

Community columns fill in when reviews are approved.

Quick specifications

1.4"

450x450 pixels

NO

1.5GB RAM

Exynos W920

361mAh

5W

Score breakdown

From specs, price tier & release year

4.5 /10
Performance 4.8/10
Battery 0.7/10
Display 5.8/10
Camera 3.6/10
Body 6.4/10
Gaming 5.3/10
Software 4.4/10
Connectivity 2.5/10
Sensors 7.2/10
5 nm 1.18 GHz BT 5.0 2021

Community ratings

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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 2021, August 11
Status Available. Released 2021, August 27
Dimensions 44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in)
Weight 30.3 g (44mm), 25.9 g (40mm) (1.06 oz)
Build Glass front (Gorilla Glass DX+), aluminum frame
SIM eSIM
??? MIL-STD-810G compliant*

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

Compatible with standard 20mm straps

ECG certified

Blood pressure monitor

*does not guarantee ruggedness or use in extreme conditions
Type Super AMOLED
Size 1.4 inches
Resolution 450 x 450 pixels (~321 ppi density)
Protection Corning Gorilla Glass DX+
OS Android Wear OS 4, upgradable to 6.0, One UI Watch 8
Chipset Exynos W920 (5 nm)
CPU Dual-core 1.18 GHz Cortex-A55
GPU Mali-G68
Card slot No
Internal 16GB 1.5GB RAM
??? No
Loudspeaker Yes
3.5mm jack No
WLAN Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth 5.0, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS
NFC Yes
Radio No
USB No
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2
Type Li-Ion 361 mAh
Charging Wireless
Colors Black, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition
Models SM-R860, SM-R870
Price About 110 EUR

Samsung Galaxy Watch4 official images

Samsung Galaxy Watch4

Frequently asked questions

Is Samsung Galaxy Watch4 worth buying in 2026?

Samsung Galaxy Watch4 is worth considering if its strengths match your priorities. Genze scores it 4.5/10 for its class. Read owner reviews and compare alternatives before you buy.

Is Samsung Galaxy Watch4 good for gaming?

Samsung Galaxy Watch4 scores 53/100 on our gaming index (chipset, display smoothness, and thermals). Casual and mid-tier titles usually run well; for competitive esports, compare frame stability and heating against phones in the same price band.

What is the battery capacity of Samsung Galaxy Watch4?

Samsung Galaxy Watch4 has a 361 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.

What display size does Samsung Galaxy Watch4 have?

Samsung Galaxy Watch4 features a 1.40-inch display. See the Display section for resolution, refresh rate, and panel details.

Is Samsung Galaxy Watch4 water resistant?

Samsung Galaxy Watch4 is rated IP68. Always follow manufacturer guidance for liquids and dust exposure.

How much RAM does Samsung Galaxy Watch4 have?

Samsung Galaxy Watch4 is available with 5 GB RAM variants. Storage options are listed in the Memory section.

What is the Genze score for Samsung Galaxy Watch4?

Genze rates Samsung Galaxy Watch4 4.5/10 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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