Tecno Spark Go 3 vs Samsung Galaxy Watch3

Specs comparison

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Tecno Tecno Spark Go 3 View Specs Change
Samsung Samsung Galaxy Watch3 View Specs Change
Brand Tecno Samsung
Versions — SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
Announced 2026, January 16 2020, August 05
Released 2026, January 23 2020, August 06
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 900 / 2100 HSDPA 850 / 900 / 2100
4G Bands LTE 1, 3, 5, 7, 8, 20
Speed HSPA, LTE HSPA, LTE
Dimensions 167.7 x 77.8 x 8.1 mm(6.60 x 3.06 x 0.32 in) 45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm
Weight 182.6 g (6.42 oz) 53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
Build Glass front, plastic back, plastic frame Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
SIM Nano-SIM + Nano-SIM eSIM (LTE models)
Protection / IP Rating IP64 dust tight and water resistant (water splashes)Drop resistant up to 1.2m IP68 dust/water resistant, 5ATMMIL-STD-810G compliant
Display Type IPS LCD Super AMOLED
Display Size 6.74 inches, 109.7 cm2 (~84.1% screen-to-body ratio) Best 1.4 inches
Resolution 720 x 1600 pixels, 20:9 ratio 360 x 360 pixels
Pixel Density ~260 ppi ~364 ppi Best
Refresh Rate 120Hz Best 60Hz
Peak Brightness 580 nits —
Protection — Corning Gorilla Glass DX
Display Features — Always-On-Display
Operating System Android Tizen
OS Version 15 5.5
User Interface HIOS 15 —
Chipset Unisoc T7250 (12 nm) Exynos 9110 (10 nm)
CPU Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55) Dual-core 1.15 GHz Cortex-A53
GPU Mali-G57 MP1 Mali-T720
RAM Options 4GB 1GB
Storage Options 64GB 4GB RAM128GB 4GB RAM 4GB / 1GB RAM8GB / 1GB RAM
Storage Type eMMC 5.1 eMMC
Card Slot microSDXC (dedicated slot) No
Cameras Single camera —
Modules 13 MP, f/1.85 No Camera
Features Dual-LED —
Video 2K@30fps, 1080p@30fps, 720p@30fps —
Cameras Single camera —
Modules 8 MP No Camera
Video Yes —
Loudspeaker Yes, with stereo speakers Yes
Audio Jack Yes No
Audio Codec — Not Available
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 b/g/n
Bluetooth Yes 5.0, A2DP, LE
GPS / Positioning GPS GPS, GLONASS, GALILEO, BDS
NFC No Yes
Radio FM Radio No
USB USB Type-C, OTG No
Other Port Infrared Port —
Fingerprint Yes (side-mounted) No
Face Unlock — No
Sensors Accelerometer Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)
Other Features — ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions
Battery Type Li-Po Li-Ion
Battery Capacity 5000 mAh Best 340 mAh (45mm)247 mAh (41mm)
Wired Charging 15W N/A
Wireless Charging — Wireless (WPC-based)
Reverse Charging — N/A
Colours Titanium Grey, Ink Black, Galaxy Blue, Aurora Purple Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
Models KN3 SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U

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