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Comparing
Samsung Galaxy Watch3
Samsung Galaxy Z Fold7
2 of 2 devices
The best value in a row is marked Best
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Overview
5
Brand
Samsung
Samsung
Versions
SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
—
Announced
2020, August 05
2025, July 09
Released
2020, August 06
2025, July 25
Availability
Available
Available
5G
Network
6
Technologyi
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G Bandsi
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900
3G Bandsi
HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO
4G Bandsi
1, 3, 5, 7, 8, 20
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 66 - International 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA
5G Bandsi
—
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA/Sub6 - International 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA
Speedi
HSPA, LTE
HSPA, LTE, 5G
Body
6
Dimensions
45mm: 45 x 46.2 x 11.1 mm 41mm: 41 x 42.5 x 11.3 mm
Unfolded: 158.4 x 143.2 x 4.2 mm Folded: 158.4 x 72.8 x 8.9 mm
Weighti
53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
215 g (7.58 oz)
Buildi
Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
Glass front (Gorilla Glass Ceramic 2) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus 2), aluminum frame (Advanced Armor Aluminum)
Stylus
—
S Pen Supported on Inner Screen Only (Cover screen is not compatible)
SIMi
eSIM (LTE models)
· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) · Nano-SIM + Nano-SIM + multiple eSIM (max 2 at a time)
Protection / IP Ratingi
IP68 dust/water resistant, 5ATM MIL-STD-810G compliant
IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min)
Display
8
Display Typei
Super AMOLED
Foldable Dynamic LTPO AMOLED 2X
Display Sizei
1.4 inches
8.0 inches, 204.2 cm2 (~90.0% screen-to-body ratio) Best
Resolutioni
360 x 360 pixels
1968 x 2184 pixels
Pixel Densityi
~364 ppi
~368 ppi Best
Refresh Ratei
60Hz
120Hz Best
Peak Brightnessi
—
2600 nits (peak)
Protectioni
Corning Gorilla Glass DX
Titanium plate layer for display support
Display Features
Always-On-Display
HDR10+
Cover Display
8
Display Typei
—
Dynamic LTPO AMOLED 2X
Display Sizei
—
6.5 inches
Resolutioni
—
1080 x 2520 pixels
Pixel Densityi
—
~422 ppi
Refresh Ratei
—
120Hz
Peak Brightnessi
—
2600 nits
Protectioni
—
Corning Gorilla Glass Ceramic 2
Display Features
—
HDR10+
Platform
7
Operating Systemi
Tizen
Android
OS Version
5.5
16
Update Supporti
—
Upgradable to Android 17, up to 7 major OS updates, One UI 9
User Interface
—
One UI 8, Upgradable to One UI 9
Chipseti
Exynos 9110 (10 nm)
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPUi
Dual-core 1.15 GHz Cortex-A53
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPUi
Mali-T720
Adreno 830 (1200 MHz)
Memory
4
RAM Optionsi
1GB
12GB, 16GB
Storage Optionsi
4GB / 1GB RAM 8GB / 1GB RAM
256GB / 12GB RAM 512GB / 12GB RAM 1TB / 12GB RAM 1TB / 16GB RAM
Storage Typei
eMMC
UFS 4.0
Card Sloti
No
No
Main Camera
4
Cameras
—
Triple camera
Modulesi
No Camera
200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF
Features
—
LED flash, HDR, panorama
Videoi
—
8K@30fps, 4K@60fps, 1080p@60/120/240fps (gyro-EIS), 10-bit HDR, HDR10+
Selfie Camera
4
Cameras
—
Dual camera
Modulesi
No Camera
10 MP, f/2.2, 18mm (ultrawide), 1/3.0", 1.12µm Cover camera: 10 MP, f/2.2, 24mm (wide), 1/3.0", 1.12µm
Features
—
HDR
Videoi
—
4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound
3
Loudspeaker
Yes
Yes, with stereo speakers
Audio Jacki
No
No
Audio Codeci
Not Available
High-bitrate audio support
Connectivity & Ports
6
WLAN
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetoothi
5.0, A2DP, LE
5.4, A2DP, LE, aptX HD
GPS / Positioningi
GPS, GLONASS, GALILEO, BDS
GPS, GALILEO, GLONASS, BDS, QZSS
NFCi
Yes
Yes
Radio
No
No
USBi
No
USB Type-C 3.2, OTG
Features & Security
4
Fingerprinti
No
Yes, (side-mounted)
Face Unlock
No
Yes, Dual-Screen Capable (Works via both the 10MP cover camera and 10MP inner camera)
Sensorsi
Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)
Accelerometer, gyro, proximity, compass, barometer
Other Features
ECG certified Blood pressure monitor Compatible with standard 22mm (45mm) / 20mm (41mm) straps Sizes: 41mm, 45mm; Bluetooth and LTE versions
Samsung DeX (desktop experience support) Ultra Wideband (UWB) support
Battery
5
Battery Typei
Li-Ion
Li-Po
Battery Capacityi
340 mAh (45mm) 247 mAh (41mm)
4400 mAh Best
Wired Chargingi
N/A
25W wired, QC2.0, 50% in 30 min
Wireless Chargingi
Wireless (WPC-based)
15W wireless
Reverse Wireless Chargingi
N/A
4.5W reverse wireless
Miscellaneous
4
Colours
Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
Blue Shadow, Silver Shadow, Jet Black, Mint
Models
SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U
SM-F966B, SM-F966B/DS, SM-F966U, SM-F966U1
SARi
—
1.24 W/kg (head)1.36 W/kg (body)
SAR EUi
—
1.42 W/kg (head)1.24 W/kg (body)
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