Smartwatches Garmin
Samsung Galaxy Watch Ultra 3.81 cm (1.5") AMOLED 47 mm Digital 480 x 480 pixels Touchscreen 4G Blue Wi-Fi GPS (satellite)
Titanium 47 mm case, 600 cd/m² display, 48 h battery in GPS mode
Manufacturer reference SM-L705FZB2XEF
79
/100
Its best score: the best battery life, rated "very long" on its category’s scale.
No offer in stock on the GB market yet.
What the Samsung Galaxy Watch Ultra 3.81 cm (1.5") AMOLED 47 mm Digital 480 x 480 pixels Touchscreen 4G Blue Wi-Fi GPS (satellite) is worth
The Galaxy Watch Ultra (2025) is a Samsung smartwatch with a 3.81 cm (1.5") AMOLED touchscreen, a round 47 mm titanium blue case, IP68 rated and MIL-STD-810H certified.
The display shows 480 x 480 pixels at 327 pixels per inch with 600 cd/m² brightness, in always-on mode. The 590 mAh built-in battery delivers 48 h of battery life in GPS mode and up to 100 h in power-saving mode, with a 1.6 h charging time. It includes GPS, BeiDou, GLONASS and Galileo satellite positioning, 4G connectivity via eSIM, Wifi, Bluetooth 5.3 and contactless payment.
It features an electrical and optical heart rate monitor, a blood pressure monitor, a skin temperature sensor, a barometer, an electronic compass and an activity tracker, running on Wear OS with the Samsung Health app.
It suits demanding sport and outdoor use, thanks to its satellite connectivity, IP68 resistance and extended battery life in GPS mode.
What the spec sheet says
- Smartwatch Digital Touchscreen 3.81 cm (1.5") AMOLED
- 480 x 480 pixels 600 cd/m²
- IP68 Water resistance: 10 ATM
- Built-in microphone Built-in speaker(s)
- Heart rate monitor Accelerometer Gyroscope Activity tracker Samsung Bixby
- 4G GPS (satellite) BeiDou GLONASS Galileo
- Wi-Fi Bluetooth 5.3 Near Field Communication (NFC)
- Built-in battery 590 mAh
Its scores, criterion by criterion
Scores out of 100, calculated from the datasheet and compared with the market. The full method is public.
Documents
What the manufacturer publishes about this model. Each document opens in a new tab.
Specifications
Display 11
Display diagonal
3.81 cm (1.5")
Display technology
AMOLED
Display type
Digital
Display resolution
480 x 480 pixels
Touchscreen
Yes
Display technology marketing name
Super AMOLED
Display brightness
600 cd/m²
Pixel density
327 ppi
Always-on display
Yes
Colour display
Yes
Display number of colours
16 million colours
Processor 2
Processor frequency
1600 MHz
Processor cores
5
Design 9
Band size
One Size
Shape
Round
Market positioning
Smartwatch
Watch case size
47 mm
Watch case colour
Blue
Watch case material
Titanium
Band colour
Blue
International Protection (IP) code
IP68
Water resistance
10 ATM
Performance 8
FM radio
No
Built-in microphone
Yes
Built-in speaker(s)
Yes
Built-in camera
No
Operating system installed
Wear OS
RAM capacity
2000 MB
Flash memory
64 GB
Fall detection
Yes
Features 21
Heart rate monitor
Yes
Heart rate sensor type
Electrical, Optical
Blood pressure monitor
Yes
Pedometer
Yes
Accelerometer
Yes
Gyroscope
Yes
Activity tracker
Yes
Personal goals
Yes
Quality of sleep
Yes
Audio formats supported
3GA, AAC, AMR, AWB, M4A, MP3, OGA, OGG, WAV
Virtual assistant
Samsung Bixby
Voice recording
Yes
Electronic compass
Yes
Geomagnetic sensor
Yes
Skin temperature sensor
Yes
Stress monitoring function
Yes
Calendar
Yes
Stopwatch
Yes
Weather forecast
Yes
Barometer
Yes
Military standard
MIL-STD-810H
Network 11
Mobile network connection
Yes
Mobile network generation
4G
3G standards
UMTS, WCDMA
4G standard
LTE-TDD & LTE-FDD
3G bands supported
850,900,1900,2100 MHz
4G bands supported
600,700,800,850,900,1800,1900,2100,2600 MHz
SIM card type
eSIM
GPS (satellite)
Yes
BeiDou
Yes
GLONASS
Yes
Galileo
Yes
Ports & interfaces 8
USB port
No
Near Field Communication (NFC)
Yes
Wi-Fi
Yes
Bluetooth version
5.3
Headphone connectivity
No
Wi-Fi standards
802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth
Yes
Bluetooth profiles
A2DP, AVRCP, HFP, HSP
Power 5
Battery type
Built-in battery
Battery life (GPS mode)
48 h
Battery life (power save mode)
100 h
Wireless charging
Yes
Charging time
1.6 h
Battery 1
Battery capacity
590 mAh
Software 1
Sports activity apps
Samsung Health
Weight & dimensions 4
Width
47.4 mm
Depth
47.1 mm
Thickness
1.21 cm
Weight
60.5 g
Who this model suits
It’s for you if
Your first criterion is the battery life: it happens to be its best score.
You want a good score on sturdiness, above its category average.
You prefer a model tracked across several merchants, to buy at the right time.
Skip it if
Its lowest score is on capacity: skip it if that is decisive for you.
Frequently asked questions
Answers drawn from this model’s datasheet.
48 hours with active GPS mode, and up to 100 hours in power saving mode. Full charge takes 1.6 h thanks to wireless charging.
Yes, the watch includes an eSIM and 4G connectivity (LTE-TDD and LTE-FDD), allowing mobile network connection independently from the phone.
It is certified IP68 and 10 ATM for water resistance, and meets the MIL-STD-810H military standard for shock and extreme condition resistance.
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