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 2 devices The best value in a row is marked Best	Change Tecno Spark Go 3 to… Cancel	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
Stylus	No	—
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	Yes (2D face unlock)	No
Sensors	Accelerometer	Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)
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

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