Tecno Spark Go 3 vs Samsung Galaxy Watch3

Specs comparison

Add up to three devices side by side to compare their full specifications, features, performance, battery, and key differences in one place. Make informed decisions and find the device that best suits your needs and budget. Search for a device in an empty slot to add it.


2 of 3 devices The best value in a row is marked Best	Tecno Tecno Spark Go 3 View Specs Change	Change Samsung Galaxy Watch3 to… Cancel	Empty slot Search to add a device
Brand	Tecno	Samsung	Empty slot
Versions	—	SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)	Empty slot
Announced	2026, January 16	2020, August 05	Empty slot
Released	2026, January 23	2020, August 06	Empty slot
Availability	Available	Available	Empty slot

Technology	GSM / HSPA / LTE	GSM / HSPA / LTE	Empty slot
2G Bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900	Empty slot
3G Bands	HSDPA 900 / 2100	HSDPA 850 / 900 / 2100	Empty slot
4G Bands	LTE	1, 3, 5, 7, 8, 20	Empty slot
Speed	HSPA, LTE	HSPA, LTE	Empty slot

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	Empty slot
Weight	182.6 g (6.42 oz)	53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best	Empty slot
Build	Glass front, plastic back, plastic frame	Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel	Empty slot
Stylus	No	—	Empty slot
SIM	Nano-SIM + Nano-SIM	eSIM (LTE models)	Empty slot
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	Empty slot

Display Type	IPS LCD	Super AMOLED	Empty slot
Display Size	6.74 inches, 109.7 cm2 (~84.1% screen-to-body ratio) Best	1.4 inches	Empty slot
Resolution	720 x 1600 pixels, 20:9 ratio	360 x 360 pixels	Empty slot
Pixel Density	~260 ppi	~364 ppi Best	Empty slot
Refresh Rate	120Hz Best	60Hz	Empty slot
Peak Brightness	580 nits	—	Empty slot
Protection	—	Corning Gorilla Glass DX	Empty slot
Display Features	—	Always-On-Display	Empty slot

Operating System	Android	Tizen	Empty slot
OS Version	15	5.5	Empty slot
User Interface	HIOS 15	—	Empty slot
Chipset	Unisoc T7250 (12 nm)	Exynos 9110 (10 nm)	Empty slot
CPU	Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)	Dual-core 1.15 GHz Cortex-A53	Empty slot
GPU	Mali-G57 MP1	Mali-T720	Empty slot

RAM Options	4GB	1GB	Empty slot
Storage Options	64GB 4GB RAM128GB 4GB RAM	4GB / 1GB RAM8GB / 1GB RAM	Empty slot
Storage Type	eMMC 5.1	eMMC	Empty slot
Card Slot	microSDXC (dedicated slot)	No	Empty slot

Cameras	Single camera	—	Empty slot
Modules	13 MP, f/1.85	No Camera	Empty slot
Features	Dual-LED	—	Empty slot
Video	2K@30fps, 1080p@30fps, 720p@30fps	—	Empty slot

Cameras	Single camera	—	Empty slot
Modules	8 MP	No Camera	Empty slot
Video	Yes	—	Empty slot

Loudspeaker	Yes, with stereo speakers	Yes	Empty slot
Audio Jack	Yes	No	Empty slot
Audio Codec	—	Not Available	Empty slot

WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band	Wi-Fi 802.11 b/g/n	Empty slot
Bluetooth	Yes	5.0, A2DP, LE	Empty slot
GPS / Positioning	GPS	GPS, GLONASS, GALILEO, BDS	Empty slot
NFC	No	Yes	Empty slot
Radio	FM Radio	No	Empty slot
USB	USB Type-C, OTG	No	Empty slot
Other Port	Infrared Port	—	Empty slot

Fingerprint	Yes (side-mounted)	No	Empty slot
Face Unlock	Yes (2D face unlock)	No	Empty slot
Sensors	Accelerometer	Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)	Empty slot
Other Features	Drop resistant up to 1.2m	ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions	Empty slot

Battery Type	Li-Po	Li-Ion	Empty slot
Battery Capacity	5000 mAh Best	340 mAh (45mm)247 mAh (41mm)	Empty slot
Wired Charging	15W	N/A	Empty slot
Wireless Charging	—	Wireless (WPC-based)	Empty slot
Reverse Wireless Charging	—	N/A	Empty slot

Colours	Titanium Grey, Ink Black, Galaxy Blue, Aurora Purple	Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium	Empty slot
Models	KN3	SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U	Empty slot