Samsung Galaxy Watch3 vs Samsung Galaxy Z Fold8 Ultra

Specs comparison

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2 of 2 devices The best value in a row is marked Best	Samsung Samsung Galaxy Watch3 View Specs Change	Change Samsung Galaxy Z Fold8 Ultra to… Cancel
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	2026, July 22
Released	2020, August 06	2026, August 07
Availability	Available	Available

Technology	GSM / HSPA / LTE	GSM / HSPA / LTE / 5G
2G Bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Bands	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 - International1, 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 Bands	—	1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - International1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA
Speed	HSPA, LTE	HSPA, LTE, 5G

Dimensions	45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm	Unfolded: 158.4 x 143.2 x 4.1 mmFolded: 158.4 x 72.8 x 8.9 mm
Weight	53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best	215 g (7.58 oz)
Build	Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel	Glass front (Gorilla Glass Ceramic 3) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus 2), aluminum frame (Advanced Armor Aluminum)
SIM	eSIM (LTE models)	Nano-SIM + eSIM + eSIM (max 2 at a time)
Protection / IP Rating	IP68 dust/water resistant, 5ATMMIL-STD-810G compliant	IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min)

Display Type	Super AMOLED	Foldable Dynamic LTPO AMOLED 2X
Display Size	1.4 inches	8.0 inches, 204.4 cm2 (~90.1% screen-to-body ratio) Best
Resolution	360 x 360 pixels	2256 x 2504 pixels
Pixel Density	~364 ppi	~422 ppi Best
Refresh Rate	60Hz	120Hz Best
Peak Brightness	—	3000 nits
Protection	Corning Gorilla Glass DX	—
Display Features	Always-On-Display	HDR10+Anti-reflective coatingFlex Titanium technology

Display Type	—	Dynamic LTPO AMOLED 2X
Display Size	—	6.5 inches
Resolution	—	1080 x 2520 pixels
Pixel Density	—	~422 ppi
Refresh Rate	—	120Hz
Peak Brightness	—	3000 nits
Protection	—	Corning Gorilla Glass Ceramic 3
Display Features	—	HDR10+

Operating System	Tizen	Android
OS Version	5.5	17
Update Support	—	Upgradable up to 7 major OS updates
User Interface	—	One UI 9
Chipset	Exynos 9110 (10 nm)	Qualcomm SM8850-1-AD Snapdragon 8 Elite Gen 5 (3 nm)
CPU	Dual-core 1.15 GHz Cortex-A53	Octa-core (2x4.74 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPU	Mali-T720	Adreno 840 (1.3GHz)

RAM Options	1GB	12GB, 16GB
Storage Options	4GB / 1GB RAM8GB / 1GB RAM	256GB / 12GB RAM512GB / 12GB RAM512GB / 16GB RAM1TB / 16GB RAM
Storage Type	eMMC	UFS 4.x
Card Slot	No	No

Cameras	—	Triple camera
Modules	No Camera	200 MP, f/1.7, 23mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS10 MP, f/2.4, 69mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom50 MP, f/1.9, 120˚ (ultrawide), 1/2.51", 0.7µm, multi-directional PDAF
Features	—	LED flash, HDR, panorama
Video	—	8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, gyro-EIS, OIS

Cameras	—	Dual camera
Modules	No Camera	10 MP, f/2.2, 18mm (ultrawide), 1/3.52", 1.12µmCover camera: 10 MP, f/2.2, 24mm (wide), 1/3.52", 1.12µm
Features	—	HDR
Video	—	4K@30/60fps, 1080p@30/60fps, gyro-EIS

Loudspeaker	Yes	Yes, with stereo speakers
Audio Jack	No	No
Audio Codec	Not Available	High-bitrate audio support

WLAN	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth	5.0, A2DP, LE	6.0, A2DP, LE, aptX HD
GPS / Positioning	GPS, GLONASS, GALILEO, BDS	GPS, GALILEO, GLONASS, BDS, QZSS
NFC	Yes	Yes
Radio	No	No
USB	No	USB Type-C 3.2, OTG

Fingerprint	No	Yes, (side-mounted)
Face Unlock	No	Yes, (2D face recognition)
Sensors	Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)	Accelerometer, gyro, proximity, compass, barometer
Other Features	ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions	Samsung DeX (desktop experience support)Ultra Wideband (UWB) support

Battery Type	Li-Ion	Si/C Li-Ion
Battery Capacity	340 mAh (45mm)247 mAh (41mm)	5000 mAh Best
Wired Charging	N/A	45W wired, PD3.0, QC2.0, 67% in 30 min
Wireless Charging	Wireless (WPC-based)	20W wireless (Qi2.2)
Reverse Wireless Charging	N/A	4.5W reverse wireless

Colours	Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium	Graphite, Cream, Violet Shadow
Models	SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U	SM-F976B, SM-F976B/DS, SM-F976U, SM-F976U1
SAR	—	1.10 W/kg (head)1.25 W/kg (body)
SAR EU	—	0.82 W/kg (head)1.17 W/kg (body)