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Comparing
Samsung Galaxy Watch3
Samsung Galaxy A36
2 of 3 devices
The best value in a row is marked Best
Overview
5
Brand
Samsung
Samsung
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Versions
SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
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Announced
2020, August 05
2025, March 2
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Released
2020, August 06
2025, March 10
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Availability
Available
Available
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5G
Network
6
Technologyi
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
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2G Bandsi
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
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3G Bandsi
HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
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4G Bandsi
1, 3, 5, 7, 8, 20
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66 - International 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA
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5G Bandsi
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1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - International 2, 5, 25, 41, 66, 71, 77, 78 SA/NSA/Sub6/mmWave - USA
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Speedi
HSPA, LTE
HSPA, LTE, 5G
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Body
5
Dimensions
45mm: 45 x 46.2 x 11.1 mm 41mm: 41 x 42.5 x 11.3 mm
162.9 x 78.2 x 7.4 mm (6.41 x 3.08 x 0.29 in)
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Weighti
53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
195 g (6.88 oz)
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Buildi
Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
Glass front (Gorilla Glass Victus+), plastic frame, glass back (Gorilla Glass Victus+)
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SIMi
eSIM (LTE models)
· Nano-SIM + eSIM · Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
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Protection / IP Ratingi
IP68 dust/water resistant, 5ATM MIL-STD-810G compliant
IP67 dust and water resistant (up to 1m for 30 min)
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Display
8
Display Typei
Super AMOLED
Super AMOLED
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Display Sizei
1.4 inches
6.7 inches, 110.2 cm2 (~86.5% screen-to-body ratio) Best
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Resolutioni
360 x 360 pixels
1080 x 2340 pixels, 19.5:9 ratio
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Pixel Densityi
~364 ppi
~385 ppi Best
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Refresh Ratei
60Hz
120Hz Best
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Peak Brightnessi
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1,200 nits (HBM), 1900 nits (peak)
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Protectioni
Corning Gorilla Glass DX
Corning Gorilla Glass Victus+
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Display Features
Always-On-Display
Vision Booster
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Platform
7
Operating Systemi
Tizen
Android
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OS Version
5.5
15
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Update Supporti
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Up to 6 Android upgrades and 6 years of security updates
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User Interface
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One UI 7.0, Upgradable to One UI 9
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Chipseti
Exynos 9110 (10 nm)
Qualcomm Snapdragon 6 Gen 3 (4 nm)
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CPUi
Dual-core 1.15 GHz Cortex-A53
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
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GPUi
Mali-T720
Adreno 710
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Memory
4
RAM Optionsi
1GB
6GB, 8GB
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Storage Optionsi
4GB / 1GB RAM 8GB / 1GB RAM
128GB / 6GB RAM 128GB / 8GB RAM 256GB / 6GB RAM 256GB / 8GB RAM 256GB / 12GB RAM
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Storage Typei
eMMC
UFS 2.2
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Card Sloti
No
No
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Main Camera
4
Cameras
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Triple camera
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Modulesi
No Camera
50 MP, f/1.8, (wide), 1/1.96", 0.8µm, PDAF, OIS 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro)
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Features
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LED flash, up to 10x digital zoom HDR, Panorama
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Videoi
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4K@30fps, 1080p@30/60fps, gyro-EIS
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Selfie Camera
3
Cameras
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Single camera
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Modulesi
No Camera
12 MP, f/2.2 (wide)
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Videoi
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4K@30fps, 1080p@30fps, 10-bit HDR
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Sound
3
Loudspeaker
Yes
Yes, stereo speakers
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Audio Jacki
No
No (USB Type-C audio)
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Audio Codeci
Not Available
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Connectivity & Ports
6
WLAN
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 a/b/g/n/ac/ax (Wi-Fi 6), dual-band, Wi-FI Direct
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Bluetoothi
5.0, A2DP, LE
5.4, A2DP, LE
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GPS / Positioningi
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, BeiDou, Galileo, QZSS
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NFCi
Yes
Yes (market dependent)
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Radio
No
No
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USBi
No
USB Type-C 2.0, OTG
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Features & Security
4
Fingerprinti
No
Yes, (under display, optical)
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Face Unlock
No
Yes
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Sensorsi
Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)
Accelerometer, gyro, compass, light sensor, Virtual proximity sensing
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Other Features
ECG certified Blood pressure monitor Compatible with standard 22mm (45mm) / 20mm (41mm) straps Sizes: 41mm, 45mm; Bluetooth and LTE versions
Awesome Intelligence (AI features) Samsung Knox
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Battery
5
Battery Typei
Li-Ion
Li-Ion
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Battery Capacityi
340 mAh (45mm) 247 mAh (41mm)
5000 mAh Best
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Wired Chargingi
N/A
45W wired, 66% in 30 min, 100% in 68 min
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Wireless Chargingi
Wireless (WPC-based)
No
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Reverse Wireless Chargingi
N/A
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Miscellaneous
4
Colours
Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
Awesome Black, Awesome White, Awesome Lavender, Awesome Lime
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Models
SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U
SM-A366E, SM-A366E/DS, SM-A366B, SM-A366B/DS, SM-A366U, SM-A366U1, SM-A366W
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SARi
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1.07 W/kg (head)
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SAR EUi
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0.53 W/kg (head) 1.29 W/kg (body)
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