Samsung Galaxy Watch Ultra vs Amazfit Balance 2
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Samsung Galaxy Watch Ultra |  Amazfit Balance 2 |
|---|---|---|
| Price | KSh 45,000.00 | KSh 39,000.00 |
| Display | 1.5-inch Super AMOLED | 1.5-inch AMOLED touchscreen |
| Battery capacity | 590 mAh | 658 mAh rated |
| Water resistance | 10 ATM | 10 ATM; suitable for swimming and supported diving activities subject to manufacturer guidance |
| Processor | Exynos W1000 (3 nm) | — |
| RAM | 2 GB | — |
| Storage | 32 GB | 32GB |
| Operating system | Wear OS Powered by Samsung; One UI Watch | Zepp OS 6 |
| Network / cellular | LTE and UMTS; availability varies by carrier and region | No |
| Positioning / GNSS | Built-in dual-frequency L1 + L5 GPS; GPS, GLONASS, BeiDou and Galileo | Dual-band, six-satellite positioning with circularly polarized GPS antenna |
| Health & wellness features | Heart-rate monitoring, ECG, blood pressure, body composition, blood oxygen, skin temperature and Energy Score; availability varies by market and paired phone | 24/7 heart rate, blood oxygen, stress, HRV, BioCharge, LifeLoad, training load and recovery insights; wellness measurements are not intended for medical diagnosis |
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Full specifications
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Identity & design
| Specification | Samsung Galaxy Watch Ultra | Amazfit Balance 2 |
|---|---|---|
| Brand | Samsung | Amazfit |
| Model | Galaxy Watch Ultra | Balance 2 |
| Announced | July 2024 | June 24, 2025 |
| Dimensions | 47.4 × 47.1 × 12.1 mm | 47.4 × 47.4 × 12.3 mm (heart-rate sensor base excluded) |
| Weight | 60.5 g | 43 g without strap |
| Build materials | Grade 4 titanium case; sapphire-crystal display | Aluminum-alloy frame, fiber-reinforced polymer case and sapphire-glass touchscreen |
| Wrist size | — | 140–210 mm |
| Strap / band | — | 22 mm silicone strap with classic pin buckle; additional Lava strap included with applicable package |
| Controls / buttons | Touchscreen; Quick button; Home and Back buttons | Two physical buttons and touchscreen |
Display
| Specification | Samsung Galaxy Watch Ultra | Amazfit Balance 2 |
|---|---|---|
| Display | 1.5-inch Super AMOLED | 1.5-inch AMOLED touchscreen |
| Screen resolution | 480 × 480 pixels | 480 × 480 pixels, 323 ppi |
| Display protection | Sapphire crystal | Sapphire glass |
| Display features | Full-colour Always-On Display; up to 3,000 nits | — |
Performance & software
| Specification | Samsung Galaxy Watch Ultra | Amazfit Balance 2 |
|---|---|---|
| Processor | Exynos W1000 (3 nm) | — |
| CPU | 5-core CPU up to 1.6 GHz | — |
| RAM | 2 GB | — |
| Storage | 32 GB | 32GB |
| Operating system | Wear OS Powered by Samsung; One UI Watch | Zepp OS 6 |
Connectivity
| Specification | Samsung Galaxy Watch Ultra | Amazfit Balance 2 |
|---|---|---|
| Network / cellular | LTE and UMTS; availability varies by carrier and region | No |
| SIM / eSIM | eSIM | No |
| Wi-Fi | 802.11a/b/g/n, 2.4 GHz and 5 GHz | 2.4 GHz Wi-Fi |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.2 BLE |
| NFC | Supported | Yes |
| Positioning / GNSS | Built-in dual-frequency L1 + L5 GPS; GPS, GLONASS, BeiDou and Galileo | Dual-band, six-satellite positioning with circularly polarized GPS antenna |
| Ultra Wideband (UWB) | — | No |
| Satellite features | — | No |
Audio & communication
| Specification | Samsung Galaxy Watch Ultra | Amazfit Balance 2 |
|---|---|---|
| Speaker | Speaker and siren | Two built-in speakers |
| Microphone | Microphone | Built-in microphone |
| Calling | Standalone LTE calling and Bluetooth calling; carrier support required | Bluetooth phone calls when paired with a compatible phone |
Sensors, health & fitness
| Specification | Samsung Galaxy Watch Ultra | Amazfit Balance 2 |
|---|---|---|
| Sensors | Samsung BioActive Sensor (optical heart-rate, electrical heart and bioelectrical impedance analysis), infrared temperature sensor, accelerometer, barometer, gyroscope, geomagnetic sensor and light sensor | BioTracker 6.0 PPG biometric sensor (5PD + 2LED), accelerometer, gyroscope, barometric altimeter, ambient-light sensor, geomagnetic sensor and temperature sensor |
| Health & wellness features | Heart-rate monitoring, ECG, blood pressure, body composition, blood oxygen, skin temperature and Energy Score; availability varies by market and paired phone | 24/7 heart rate, blood oxygen, stress, HRV, BioCharge, LifeLoad, training load and recovery insights; wellness measurements are not intended for medical diagnosis |
| Sleep tracking | Sleep tracking, sleep coaching and sleep-apnoea features where available | Sleep stages, naps, sleep score, sleep HRV and recovery insights |
| Sports / workout modes | Multiple workout modes including multisport and automatic workout detection | More than 170 sports modes with strength training and official HYROX modes |
| Training & outdoor features | Dual-frequency GPS; GPX routes; Track Back; personalised heart-rate zones; Functional Threshold Power | Zepp Coach, downloadable base, ski and golf-course maps, turn-by-turn navigation, route tools and support for compatible workout peripherals |
| Safety & emergency features | Fall detection, SOS and siren features when configured | — |
| Diving / depth features | — | Scuba-diving support; follow the manufacturer’s dive-mode limits and safety guidance |
Battery & durability
| Specification | Samsung Galaxy Watch Ultra | Amazfit Balance 2 |
|---|---|---|
| Battery capacity | 590 mAh | 658 mAh rated |
| Battery life | Up to 80 hours with Always-On Display off; up to 60 hours with Always-On Display on; up to 100 hours in Power Saving Mode | Up to 21 days typical use, 10 days heavy use, 33 hours accurate GPS or 67 hours power-saving GPS |
| Charging | WPC-based wireless charging | Magnetic charging head; approximately 2 hours; USB-C cable is not included |
| Water resistance | 10 ATM | 10 ATM; suitable for swimming and supported diving activities subject to manufacturer guidance |
| Durability / certifications | IP68; MIL-STD-810H | MIL-STD-810G-2014 low-pressure, temperature, shock, vibration and impact tests; TUV water-resistance report 68.189.25.0132.01 |
Compatibility
| Specification | Samsung Galaxy Watch Ultra | Amazfit Balance 2 |
|---|---|---|
| Phone compatibility | Android 11 or later with more than 1.5 GB RAM and Google Mobile Services; compatibility varies by market and device | Android 7.0 or later; iOS 15.0 or later |
| Companion app | Galaxy Wearable and Samsung Health | Zepp app |
| Colors | Titanium Gray; Titanium White; Titanium Silver | Black with additional Lava strap |
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