Samsung Galaxy Watch3 vs Tecno Spark Go 3

Specs comparison

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2 of 2 devices The best value in a row is marked Best
Brand Samsung Tecno
Versions SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only) —
Announced 2020, August 05 2026, January 16
Released 2020, August 06 2026, January 23
Availability Available Available
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G Bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Bands HSDPA 850 / 900 / 2100 HSDPA 900 / 2100
4G Bands 1, 3, 5, 7, 8, 20 LTE
Speed HSPA, LTE HSPA, LTE
Dimensions 45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm 167.7 x 77.8 x 8.1 mm(6.60 x 3.06 x 0.32 in)
Weight 53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best 182.6 g (6.42 oz)
Build Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel Glass front, plastic back, plastic frame
SIM eSIM (LTE models) Nano-SIM + Nano-SIM
Protection / IP Rating IP68 dust/water resistant, 5ATMMIL-STD-810G compliant IP64 dust tight and water resistant (water splashes)Drop resistant up to 1.2m
Display Type Super AMOLED IPS LCD
Display Size 1.4 inches 6.74 inches, 109.7 cm2 (~84.1% screen-to-body ratio) Best
Resolution 360 x 360 pixels 720 x 1600 pixels, 20:9 ratio
Pixel Density ~364 ppi Best ~260 ppi
Refresh Rate 60Hz 120Hz Best
Peak Brightness — 580 nits
Protection Corning Gorilla Glass DX —
Display Features Always-On-Display —
Operating System Tizen Android
OS Version 5.5 15
User Interface — HIOS 15
Chipset Exynos 9110 (10 nm) Unisoc T7250 (12 nm)
CPU Dual-core 1.15 GHz Cortex-A53 Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU Mali-T720 Mali-G57 MP1
RAM Options 1GB 4GB
Storage Options 4GB / 1GB RAM8GB / 1GB RAM 64GB 4GB RAM128GB 4GB RAM
Storage Type eMMC eMMC 5.1
Card Slot No microSDXC (dedicated slot)
Cameras — Single camera
Modules No Camera 13 MP, f/1.85
Features — Dual-LED
Video — 2K@30fps, 1080p@30fps, 720p@30fps
Cameras — Single camera
Modules No Camera 8 MP
Video — Yes
Loudspeaker Yes Yes, with stereo speakers
Audio Jack No Yes
Audio Codec Not Available —
WLAN Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth 5.0, A2DP, LE Yes
GPS / Positioning GPS, GLONASS, GALILEO, BDS GPS
NFC Yes No
Radio No FM Radio
USB No USB Type-C, OTG
Other Port — Infrared Port
Fingerprint No Yes (side-mounted)
Face Unlock No —
Sensors Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG) Accelerometer
Other Features ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions —
Battery Type Li-Ion Li-Po
Battery Capacity 340 mAh (45mm)247 mAh (41mm) 5000 mAh Best
Wired Charging N/A 15W
Wireless Charging Wireless (WPC-based) —
Reverse Charging N/A —
Colours Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium Titanium Grey, Ink Black, Galaxy Blue, Aurora Purple
Models SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U KN3