Apple iPhone 18 Pro Max vs Samsung Galaxy Watch3

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.


2 of 2 devices The best value in a row is marked Best	Apple Apple iPhone 18 Pro Max View Specs Change	Change Samsung Galaxy Watch3 to… Cancel
Brand	Apple	Samsung
Versions	A3717 (International); A3473 (USA); A3716 (Middle East, Canada, Mexico); A3718 (China)	SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
Announced	2026, September 09	2020, August 05
Released	2026, September 18	2020, August 06
Availability	Available	Available

Technology	GSM / HSPA / LTE / 5G	GSM / HSPA / LTE
2G Bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 2100
4G Bands	1, 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 - A37171, 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 - A34731, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 71, 106 - A37161, 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 - A3718	1, 3, 5, 7, 8, 20
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 - A37171, 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 - A34731, 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 - A37161, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A3718	—
Speed	HSPA, LTE, 5G	HSPA, LTE

Dimensions	163.4 x 78 x 8.8 mm (6.43 x 3.07 x 0.35 in)	45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm
Weight	249 g (8.78 oz)	53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
Build	Glass front (Ceramic Shield 2), aluminum frame, aluminum back/ glass back (Ceramic Shield)	Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
SIM	· Nano-SIM + eSIM + eSIM (max 2 at a time; International)· eSIM + eSIM (8 or more, max 2 at a time; USA)· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time; China)	eSIM (LTE models)
Protection / IP Rating	IP68 dust tight and water resistant (immersible up to 6m for 30 min)	IP68 dust/water resistant, 5ATMMIL-STD-810G compliant

Display Type	LTPO Super Retina XDR OLED	Super AMOLED
Display Size	6.9 inches, 115.6 cm2 (~90.7% screen-to-body ratio) Best	1.4 inches
Resolution	1320 x 2868 pixels, 19.5:9 ratio	360 x 360 pixels
Pixel Density	~460 ppi Best	~364 ppi
Refresh Rate	120Hz Best	60Hz
Peak Brightness	1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)	—
Protection	Ceramic Shield 2Anti-reflective coating	Corning Gorilla Glass DX
Display Features	—	Always-On-Display

Operating System	iOS	Tizen
OS Version	27	5.5
Chipset	Apple A20 Pro (2 nm)	Exynos 9110 (10 nm)
CPU	Hexa-core (2x4.93 GHz + 4x2.64 GHz)	Dual-core 1.15 GHz Cortex-A53
GPU	Apple GPU (7-core graphics)	Mali-T720

RAM Options	12GB	1GB
Storage Options	256GB / 12GB RAM512GB / 12GB RAM1TB / 12GB RAM2TB / 12GB RAM	4GB / 1GB RAM8GB / 1GB RAM
Storage Type	NVMe	eMMC
Card Slot	No	No

Cameras	Triple camera	—
Modules	48 MP, f/1.5-4.0, 24mm (wide), 1/1.28", 1.22µm, dual pixel PDAF, sensor-shift OIS (gen2)48 MP, f/2.8, 100mm (periscope telephoto), 1/2.55", 0.7µm, PDAF, 3D sensor‑shift OIS, 4x optical zoom48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAFTOF 3D LiDAR scanner (depth)	No Camera
Features	Dual-LED dual-tone flash, HDR (photo/panorama), Cinematic from regular video	—
Video	4K@24/25/30/60/100/120fps, 1080p@25/30/60/120/240fps, 10-bit HDR, Dolby Vision HDR (up to 120fps), ProRes, ProRes RAW (up to 120fps), Apple Log 2, 3D (spatial) video/audio, stereo sound rec.	—

Cameras	Single camera	—
Modules	18 MP multi-aspect, f/1.9, 20mm (ultrawide), PDAFSL 3D, (depth/biometrics sensor)	No Camera
Features	HDR, Dolby Vision HDR, 3D (spatial) audio, stereo sound rec., ProRes RAW, Apple Log 2	—
Video	4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS	—

Loudspeaker	Yes, with stereo speakers	Yes
Audio Jack	No	No
Audio Codec	—	Not Available

WLAN	Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot	Wi-Fi 802.11 b/g/n
Bluetooth	6.0, A2DP, LE	5.0, A2DP, LE
GPS / Positioning	GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC	GPS, GLONASS, GALILEO, BDS
NFC	Yes	Yes
Radio	No	No
USB	USB Type-C 3.2 Gen 2, DisplayPort	No

Fingerprint	—	No
Face Unlock	Face ID	No
Sensors	Accelerometer, gyro, proximity, compass, barometer	Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)
Other Features	Ultra Wideband (UWB) support (gen2 chip)Emergency SOS, Messages and Find My via satellite	ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions

Battery Type	Market-dependent versions:	Li-Ion
Battery Capacity	· Li-Ion 5391 mAh - Nano SIM model· Li-Ion 5567 mAh - eSIM only model Best	340 mAh (45mm)247 mAh (41mm)
Wired Charging	PD3.2, AVS, 50% in 15 min	N/A
Wireless Charging	25W wireless MagSafe/Qi2, 50% in 30 min (15W - China)	Wireless (WPC-based)
Reverse Wireless Charging	4.5W reverse wired	N/A

Colours	Black, Silver, Glacier, Burgundy	Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
Models	A3717, A3473, A3716, A3718	SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U