Samsung Galaxy Watch Ultra vs Samsung Galaxy Watch 8
Compare specifications, current prices and availability. Choose up to four products from the same family.
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Apple Watch Series 8 Price range: KSh 50,000.00 through KSh 53,000.00
Apple Watch Ultra 2KSh 103,500.00
Apple Watch UltraKSh 90,000.00
Apple Watch Series 9 Price range: KSh 45,000.00 through KSh 49,500.00
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Samsung Galaxy Watch Ultra |  Samsung Galaxy Watch 8 |
|---|---|---|
| Price | KSh 45,000.00 | Price range: KSh 26,500.00 through KSh 28,500.00 |
| Display | 1.5-inch Super AMOLED | 44 mm: 1.47-inch Super AMOLED 40 mm: 1.34-inch Super AMOLED |
| Battery capacity | 590 mAh | 44 mm: 435 mAh 40 mm: 325 mAh |
| Water resistance | 10 ATM | 5 ATM |
| Processor | Exynos W1000 (3 nm) | Exynos W1000 (3 nm) |
| RAM | 2 GB | 2 GB |
| Storage | 32 GB | 32 GB |
| Operating system | Wear OS Powered by Samsung; One UI Watch | Wear OS 6 Powered by Samsung; One UI 8 Watch |
| Network / cellular | LTE and UMTS; availability varies by carrier and region | LTE on LTE models only |
| Positioning / GNSS | Built-in dual-frequency L1 + L5 GPS; GPS, GLONASS, BeiDou and Galileo | Built-in dual-frequency L1 + L5 GPS; GPS, GLONASS, BeiDou and Galileo |
| 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 | Heart and wellness tracking; Antioxidant Index, Vascular Load, Energy Score and stress features. Availability varies by market and paired phone. |
Full specifications
2 of 4 products
| Specification | Samsung Galaxy Watch Ultra | Samsung Galaxy Watch 8 |
|---|---|---|
| Identity & design | ||
| Brand | Samsung | Samsung |
| Model | Galaxy Watch Ultra | Galaxy Watch8 |
| Announced | July 2024 | 9 July 2025 |
| Dimensions | 47.4 × 47.1 × 12.1 mm | 44 mm: 43.7 × 46.0 × 8.6 mm 40 mm: 40.4 × 42.7 × 8.6 mm |
| Weight | 60.5 g | 44 mm: 34.0 g 40 mm: 30.0 g Measured without band |
| Build materials | Grade 4 titanium case; sapphire-crystal display | Aluminium case; sapphire crystal display |
| Controls / buttons | Touchscreen; Quick button; Home and Back buttons | Touchscreen and physical buttons |
| Display | ||
| Display | 1.5-inch Super AMOLED | 44 mm: 1.47-inch Super AMOLED 40 mm: 1.34-inch Super AMOLED |
| Screen resolution | 480 × 480 pixels | 44 mm: 480 × 480 pixels (327 ppi) 40 mm: 438 × 438 pixels (327 ppi) |
| Display protection | Sapphire crystal | Sapphire crystal |
| Display features | Full-colour Always-On Display; up to 3,000 nits | Full-colour Always-On Display; up to 3,000 nits peak brightness |
| Performance & software | ||
| Processor | Exynos W1000 (3 nm) | Exynos W1000 (3 nm) |
| CPU | 5-core CPU up to 1.6 GHz | 5-core CPU |
| RAM | 2 GB | 2 GB |
| Storage | 32 GB | 32 GB |
| Operating system | Wear OS Powered by Samsung; One UI Watch | Wear OS 6 Powered by Samsung; One UI 8 Watch |
| Connectivity | ||
| Network / cellular | LTE and UMTS; availability varies by carrier and region | LTE on LTE models only |
| SIM / eSIM | eSIM | eSIM on LTE models |
| Wi-Fi | 802.11a/b/g/n, 2.4 GHz and 5 GHz | Wi-Fi 2.4 GHz and 5 GHz |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.3 |
| NFC | Supported | Supported |
| Positioning / GNSS | Built-in dual-frequency L1 + L5 GPS; GPS, GLONASS, BeiDou and Galileo | Built-in dual-frequency L1 + L5 GPS; GPS, GLONASS, BeiDou and Galileo |
| Audio & communication | ||
| Speaker | Speaker and siren | — |
| Microphone | Microphone | — |
| Calling | Standalone LTE calling and Bluetooth calling; carrier support required | — |
| Sensors, health & fitness | ||
| Sensors | Samsung BioActive Sensor (optical heart-rate, electrical heart and bioelectrical impedance analysis), infrared temperature sensor, accelerometer, barometer, gyroscope, geomagnetic sensor and light sensor | Samsung BioActive Sensor (optical bio-signal, electrical heart signal and bioelectrical impedance analysis), temperature sensor, accelerometer, barometer, gyroscope, geomagnetic sensor and light 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 | Heart and wellness tracking; Antioxidant Index, Vascular Load, Energy Score and stress features. Availability varies by market and paired phone. |
| Sleep tracking | Sleep tracking, sleep coaching and sleep-apnoea features where available | Sleep tracking, sleep coaching, Bedtime Guidance and sleep-apnoea features where available |
| Sports / workout modes | Multiple workout modes including multisport and automatic workout detection | — |
| Training & outdoor features | Dual-frequency GPS; GPX routes; Track Back; personalised heart-rate zones; Functional Threshold Power | Running Coach and dual-frequency route tracking |
| Safety & emergency features | Fall detection, SOS and siren features when configured | — |
| Battery & durability | ||
| Battery capacity | 590 mAh | 44 mm: 435 mAh 40 mm: 325 mAh |
| 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 | — |
| Charging | WPC-based wireless charging | Fast WPC-based wireless charging |
| Water resistance | 10 ATM | 5 ATM |
| Durability / certifications | IP68; MIL-STD-810H | IP68; MIL-STD-810H |
| Compatibility | ||
| Phone compatibility | Android 11 or later with more than 1.5 GB RAM and Google Mobile Services; compatibility varies by market and device | Android 12 or later with more than 1.5 GB RAM and Google Mobile Services; compatibility varies by market and device |
| Companion app | Galaxy Wearable and Samsung Health | Samsung Health |
| Colors | Titanium Gray; Titanium White; Titanium Silver | Graphite and Silver |
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