Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
If you are interested in more details, you can find full information on the seller's page.
Samsung Galaxy Watch9 is a 44 mm smartwatch in silver with an AMOLED display and Wear OS. It has GPS, NFC, Wi-Fi 5, Bluetooth 5.4, and wireless WPC charging.
| This item | Recommendations | |||||
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Samsung Galaxy Watch9 Silver 44 mm smartwatch in silver
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Samsung Galaxy Watch9 S Cream
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Samsung Galaxy Watch7 Green
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Samsung Galaxy Watch Ultra2 gray 47 mm size; gray color; 2026 generation
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Samsung Galaxy Watch Ultra2 Black
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Honor ROM-B09 Black
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| Brand | Samsung | Samsung | Samsung | Samsung | Samsung | Honor |
| Model | Galaxy Watch9 | Galaxy Watch9 S | Galaxy Watch7 | Galaxy Watch Ultra2 | Galaxy Watch Ultra2 | ROM-B09 |
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| Price | BYN 1,119.65 | BYN 1,041.62 | BYN 769.00 | BYN 1,743.56 | BYN 1,742.26 | BYN 613.00 |
| Seller | Rulez BY | Rulez BY | Rulez BY | Rulez BY | Rulez BY | Rulez BY |
| Update | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 |
| GPS | Yes | Present | Present | Yes | ||
| NFC | Yes | Present | Present | Yes | Supported | Yes |
| ANT+ | No | Confirmed absent | Absent | Absent | Absent | No |
| Size | 44 mm | 40 mm | 44 mm | 47 mm | 47 mm case | 46 mm case |
| Wi-Fi | 802.11ac (Wi-Fi 5) | 802.11ac (Wi-Fi 5) | 802.11ac (Wi-Fi 5) | 802.11ac (Wi-Fi 5) | 802.11ac (Wi-Fi 5) | No |
| Width | 43.7 mm | 40.4 mm | 44.4 mm | 47.1 mm | 47.1 mm | 46.5 mm |
| Length | 46 mm | 42.7 mm | 44.4 mm | 47.4 mm | 47.4 mm | 46.5 mm |
| Weight | 34 g | 31.5 g | 33.8 g | 61.5 g | 61.5 g | 41 g |
| Altimeter | Yes | Present | Absent | Yes | ||
| App Store | Yes | Present | Present | Yes | Supported | No |
| Barometer | Yes | Present | Present | |||
| Thickness | 8.6 mm | 8.6 mm | 9.7 mm | 10.7 mm | 10.7 mm | 10.8 mm |
| Case Color | Gray | Silver | Dark green | Black | ||
| ECG sensor | Yes | Present | Absent | No | ||
| Model Name | Galaxy Watch9 | Galaxy Watch9 S | Galaxy Watch7 | Galaxy Watch Ultra2 | Galaxy Watch Ultra2 | Watch 6 |
| Depth gauge | No | Confirmed absent | Absent | No | ||
| Smart alarm | No | Confirmed absent | Absent | Absent | Absent | No |
| Strap Color | Green | White | Green | Gray | Black | Black |
| Display Size | 1.47 inches | 1.52 inches | 1.52 inches | 1.46 inches | ||
| Product Type | Smartwatch | Smartwatch | Smartwatch | smartwatch | Smartwatch | Smartwatch |
| RAM Capacity | 2 GB | 2 GB | 2 GB | |||
| Case Material | Aluminum | Aluminum | Aluminum | Titanium metal | Titanium | |
| Charging Type | Wireless (WPC) | Wireless (WPC) | Magnetic | |||
| Fast Charging | Yes | Present | Present | No | ||
| Notifications | SMS, email, calendar, social networks, incoming calls, recent call list, workout data, and alarm | SMS, email, calendar, social networks, incoming calls, recent call list, workout data, and alarm | SMS, email, calendar, social networks, incoming calls, recent call list, workout data, and alarm | SMS, email, calendar, social networks, incoming calls, recent call list, workout data, and alarm | SMS, email, calendar, social networks, incoming calls, recent call list, workout data, and alarms | SMS, email, calendar, social networks, incoming calls, recent call list, workout data and alarm |
| Remote Control | Smartphone camera and smartphone music player | Smartphone camera and smartphone music player | Smartphone camera and music player | Smartphone camera and music player | Smartphone camera and smartphone music player | Smartphone camera and smartphone music player |
| Strap Material | Silicone | Silicone | Silicone | Silicone | Silicone | Silicone |
| Watch controls | Touchscreen, touch button, and physical buttons | Touchscreen, touch button, and physical buttons | Touchscreen and physical buttons | Touchscreen and physical buttons | Touchscreen and physical buttons | |
| Watch payments | Google Pay | Google Pay | Samsung Pay | Google Pay | Google Pay | Yes |
| Built-in camera | No | Absent | Absent | No | ||
| Voice Assistant | Google Assistant | Google Assistant | Google Assistant | Google Assistant | Google Assistant | No |
| Workout planner | Yes | Present | Present | Yes | Supported | Yes |
| Operating System | Wear OS | Wear OS | Wear OS | Wear OS | Wear OS | Magic OS |
| SIM Card Support | No | Confirmed absent | No | |||
| Always-on display | Yes | Present | Present | Yes | Supported | Yes |
| Bluetooth Version | 5.4 | 6.0 | 5.3 | 6.0 | 6.0 | 5.4 |
| Replaceable strap | Yes | Present | Present | Yes | Supported | Yes |
| Display Brightness | 3000 nits | 2000 nits | 5000 nits | 3000 nits | ||
| Display Resolution | 480x480 | 480x480 | 498x498 | 498 x 498 | 464 × 464 | |
| Display Technology | AMOLED | AMOLED | AMOLED | AMOLED | AMOLED | |
| Heart Rate Monitor | Built-in | Built-in | Built in | |||
| Scratch protection | Sapphire glass | Sapphire glass | Sapphire glass | Sapphire glass | Sapphire glass | No |
| Market release year | 2026 | 2026 | 2024 | 2026 | 2026 | 2026 |
| Additional Functions | Sleep tracking, stress-level tracking, women's health tracking, calorie counting, apnea detection, heart-rate monitoring, breathing exercises, timer, stopwatch, compass, smartphone finder, and noise monitoring | Sleep tracking, stress tracking, women's health tracking, calorie counting, apnea detection, heart-rate monitoring, breathing exercises, timer, stopwatch, compass, smartphone finder, and noise monitoring | Sleep tracking, women's health tracking, calorie counting, breathing exercises, timer, stopwatch, compass, SOS button, and incident alert (fall/accident) | Sleep tracking, stress tracking, women's health tracking, calorie counting, apnea detection, heart-rate monitoring, breathing exercises, glove operation, timer, stopwatch, compass, voice recorder, flashlight mode, smartphone finding, customizable button, SOS button, incident alerts (fall/accident), wireless headphone connection, and use as an access card | Sleep tracking, stress tracking, women's health tracking, calorie counting, apnea detection, heart-rate monitoring, breathing exercises, glove operation, timer, stopwatch, compass, voice recorder, flashlight mode, smartphone finder, configurable button, SOS button, incident alerts (in case of a fall/accident), wireless headphone connection, and use as an access card | Sleep, stress and women's health tracking; calorie counting; heart-rate monitoring; breathing exercises; timer; stopwatch; compass; voice recorder; smartphone finder |
| Built-in music player | Yes | Present | Present | Yes | Supported | Yes |
| Smartphone connection | Bluetooth | Bluetooth | Bluetooth | |||
| Professional functions | Cardiorespiratory fitness calculation (VO2 Max), workout readiness calculation (Body Battery/Readiness), and heart rate variability status calculation (HRV) | Cardiorespiratory fitness (VO2 Max) calculation, workout readiness (Body Battery/Readiness) calculation, and heart rate variability (HRV) status calculation | Low-temperature operation; dive log; workout load analysis (Training Load/Training Load Focus); cadence measurement; VO2 Max estimate; recovery time estimate; workout readiness estimate (Body Battery/Readiness); HRV status estimate; workout progress estimate (Training Status); training effect estimate, including swimming training effect (SWOLF); reverse route navigation (Tracback); slope and ascent gain display (ClimbPro Ascent Feature); pedal power phase tracking (Power Phase/PP); and functional threshold power (FTP) estimate | Operation at low temperatures; dive log; training-load analysis (Training Load/Training Load Focus); cadence measurement; VO2 Max calculation; recovery-time calculation; workout-readiness calculation (Body Battery/Readiness); heart-rate variability status calculation (HRV); training-progress calculation (Training Status); training-effect calculation; swimming training-effect calculation (SWOLF); reverse-route mapping (Tracback); display of slope and elevation gain (ClimbPro Ascent Feature); pedal power-phase tracking (Power Phase/PP); and functional threshold power assessment (FTP) | ||
| Water Resistance Rating | 5 ATM | 5 ATM | 10 ATM | 5 ATM | ||
| Blood Pressure Measurement | Based on sensor readings | Based on sensor readings | Absent | Based on sensor readings | Based on sensor readings | |
| Skin temperature measurement | Yes | Present | Present | No | ||
| Blood oxygen saturation measurement | Yes | Present | Present | |||
| Supported smartphone operating system | Android | Android | Android | Android | ||
| RAM | 2 GB | 2 GB | 4 GB | |||
| Calls | Call management and conversation; the watch can be used to talk | Call control and conversation supported | Call management and conversation supported | Call control and conversation through the watch | ||
| Clasp Type | Buckle | Buckle | Buckle | Buckle | Buckle | |
| Sports profiles | Strength training, cardio training, walking, rowing, yoga, running, cycling, swimming, surfing, snowboarding, gaming sports, skiing, and golf | Strength training, cardio training, walking, rowing, yoga, running, cycling, swimming, diving, snowboarding, team sports, skiing, and golf | Strength training, cardio training, walking, rowing, yoga, running, cycling, swimming, diving, surfing, snowboarding, gaming sports, skiing, and golf | Strength training, cardio training, walking, rowing, yoga, running, cycling, swimming, diving, surfing, snowboarding, team sports, skiing, and golf | Strength training, cardio training, walking, running, cycling, ball sports, martial arts and skiing | |
| Built-in storage | 32 GB | 64 GB | 4 GB | |||
| Workout auto-detection | Present | Present | Supported | |||
| Cellular Connectivity | LTE | LTE; eSIM support | LTE; eSIM support | |||
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