Samsung Galaxy Watch3 vs Tecno Spark Go 3
Specs comparisonAdd 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 | ||
|---|---|---|
| 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 |
These devices share the same listed specifications. Turn off “Show differences only” to see every row.
Most compared devices
The matchups our readers check most. Tap any pair to see the full side-by-side specs comparison.
- 16
Samsung Galaxy S26+
Samsung Galaxy S26Compare specs
Samsung Galaxy S26
Apple iPhone DuoCompare specs
Samsung Galaxy S26+
Samsung Galaxy S26 UltraCompare specs
Apple iPhone 17 Pro Max
Samsung Galaxy S26Compare specs
Apple iPhone 12
Apple iPhone 12 miniCompare specs
Apple iPhone 17 Pro Max
Apple iPhone DuoCompare specs












