Samsung Galaxy Watch3 vs Samsung Galaxy Z Fold8 Ultra

Specs comparison

Add up to three devices side by side to compare their full specifications, features, performance, battery, and key differences in one place. Make informed decisions and find the device that best suits your needs and budget. Search for a device in an empty slot to add it.

WhatsApp Add a third device Clear all

2 of 2 devices The best value in a row is marked Best
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)