Samsung Galaxy Watch3 vs Apple iPhone Duo

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Samsung Samsung Galaxy Watch3 View Specs Change
Apple Apple iPhone Duo View Specs Change
Brand Samsung Apple
Versions SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only) A3720 (International); A3447 (USA); A3719 (Middle East, Canada, Mexico); A3721 (China)
Announced 2020, August 05 2026, September 09
Released 2020, August 06 2026, October 23
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, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 71, 106 - A3447, A37191, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 106 - A37201, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 106 - A3721
5G Bands — 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A37201, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79, 258, 260, 261 SA/NSA/Sub6/mmWave - A34471, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A37211, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79 SA/NSA/Sub6 - A3719
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: 117.8 x 164.6 x 5.2 mmFolded: 117.8 x 84.1 x 11.3 mm
Weight 53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best 254 g (8.96 oz)
Build Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel Glass front (Ceramic Shield 2) (folded)Titanium frame & hindge (grade 5)Glass back (Ceramic Shield)
Stylus — Yes, support Apple Pencil (USB-C) model
SIM eSIM (LTE models) · eSIM + eSIM (8 or more, max 2 at a time) - Global· eSIM + eSIM (China)
Protection / IP Rating IP68 dust/water resistant, 5ATMMIL-STD-810G compliant IP68 dust tight and water resistant (immersible up to 6m for 30 min)
Display Type Super AMOLED LTPO Super Retina XDR OLED
Display Size 1.4 inches 7.6 inches, 175.4 cm2 (~90.4% screen-to-body ratio) Best
Resolution 360 x 360 pixels 1878 x 2670 pixels
Pixel Density ~364 ppi ~430 ppi Best
Refresh Rate 60Hz 120Hz Best
Peak Brightness — 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)
Protection Corning Gorilla Glass DX Nano Texture finishAnti‑reflective coating
Display Features Always-On-Display HDR10, Dolby Vision, Wide-angle OLED matte display
Display Type — LTPO Super Retina XDR OLED
Display Size — 5.4 inches
Resolution — 1398 x 2034 pixels
Pixel Density — 460 ppi
Refresh Rate — 120Hz
Peak Brightness — 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)
Protection — Ceramic Shield 2, Anti‑reflective coating
Display Features — HDR10, Dolby Vision
Operating System Tizen iOS
OS Version 5.5 27
Chipset Exynos 9110 (10 nm) Apple A20 Pro (2 nm)
CPU Dual-core 1.15 GHz Cortex-A53 Hexa-core (2x GHz high performance + 4x GHz)
GPU Mali-T720 Apple GPU (7-core graphics)
RAM Options 1GB 12GB
Storage Options 4GB / 1GB RAM8GB / 1GB RAM 256GB / 12GB RAM512GB / 12GB RAM1TB / 12GB RAM2TB / 12GB RAM
Storage Type eMMC NVMe
Card Slot No No
Cameras — Dual camera
Modules No Camera 48 MP, f/1.6, 26mm (wide), PDAF, sensor-shift OIS48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAF
Features — Dual-LED dual-tone flash, HDR (photo/panorama)
Video — 4K@24/25/30/60/100/120fps, 1080p@25/30/60/120/240fps, 10-bit HDR, Dolby Vision HDR (up to 120fps), ProRes, 3D (spatial) video/audio, stereo sound rec.
Cameras — Dual camera
Modules No Camera 4 MP, f/1.8, 22mm (wide), under display camera (1080p@30/60fps)Cover camera:12 MP multi-aspect, f/2.2, (wide), AF
Features — HDR, Dolby Vision HDR, spatial audio, stereo sound rec.
Video — 4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS
Loudspeaker Yes Yes, with stereo speakers
Audio Jack No No
Audio Codec Not Available —
Spatial Audio — 3D (spatial) video/audio, stereo sound
WLAN Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot
Bluetooth 5.0, A2DP, LE 6.0, A2DP, LE
GPS / Positioning GPS, GLONASS, GALILEO, BDS GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC
NFC Yes Yes
Radio No No
USB No USB Type-C 3.2 Gen 2, DisplayPort
Fingerprint No Yes (side-mounted)
Face Unlock No No Face ID
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 Ultra Wideband (UWB) support (gen2 chip)Emergency SOS, Messages and Find My via satellite
Battery Type Li-Ion Li-Ion
Battery Capacity 340 mAh (45mm)247 mAh (41mm) 4883 mAh Best
Wired Charging N/A PD3.2, AVS, 50% in 20 min
Wireless Charging Wireless (WPC-based) 25W wireless MagSafe/Qi2, 50% in 30 min
Reverse Wireless Charging N/A —
Colours Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium Night Sky, Star White
Models SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U A3720, A3721, A3447, A3719

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