Nothing Phone (4a) Pro vs Samsung Galaxy Watch3

Specs comparison

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Nothing Nothing Phone (4a) Pro View Specs Change
Samsung Samsung Galaxy Watch3 View Specs Change
Brand Nothing Samsung
Versions — SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
Announced 2026, March 05 2020, August 05
Released 2026, March 05 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 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - InternationalHSDPA 850 / 900 / 2100 - India HSDPA 850 / 900 / 2100
4G Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66, 71 - International1, 3, 5, 8, 28, 38, 40, 41 - India 1, 3, 5, 7, 8, 20
5G Bands 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA - International1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA - India —
Speed HSPA, LTE, 5G HSPA, LTE
Dimensions 163.7 x 76.6 x 8 mm(6.44 x 3.02 x 0.31 in) 45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm
Weight 210 g (7.41 oz) 53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
Build Glass front (Gorilla Glass 7i), aluminum frame, aluminum back Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
SIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM eSIM (LTE models)
Protection / IP Rating IP65 dust tight and water resistant (low pressure water jets)Manufacturer-rated water-resistant (up to 25cm for 20 min)137 individually addressable mini-LEDsAircraft-grade aluminium unibody IP68 dust/water resistant, 5ATMMIL-STD-810G compliant
Display Type AMOLED Super AMOLED
Display Size 6.83 inches, 117.8 cm2 (~93.9% screen-to-body ratio) Best 1.4 inches
Resolution 1260 x 2800 pixels, 20:9 ratio 360 x 360 pixels
Pixel Density ~440 ppi Best ~364 ppi
Refresh Rate 144Hz Best 60Hz
Peak Brightness 800 nits (typ), 1600 nits (HBM), 5000 nits (peak) —
Protection Corning Gorilla Glass 7iUltra HDR image support Corning Gorilla Glass DX
Display Features 1B colors, 2160Hz PWM, HDR10+ Always-On-Display
Operating System Android Tizen
OS Version 16 5.5
Update Support Upgradeable up to 3 major OS updates —
User Interface Nothing OS 4.1 —
Chipset Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm) Exynos 9110 (10 nm)
CPU Octa-core (1x2.8 GHz Cortex-720 & 4x2.4 GHz Cortex-720 & 3x1.8 GHz Cortex-520) Dual-core 1.15 GHz Cortex-A53
GPU Adreno 722 Mali-T720
RAM Options 8GB, 12GB 1GB
Storage Options 128GB / 8GB RAM256GB / 8GB RAM256GB / 12GB RAM 4GB / 1GB RAM8GB / 1GB RAM
Storage Type UFS 3.1 eMMC
Card Slot No No
Cameras Triple camera —
Modules 50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS50 MP, f/2.9, 80mm (periscope telephoto), 1/2.75", 0.64µm, PDAF, OIS, 3.5x optical zoom8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm No Camera
Features LED flash, panorama, Ultra XDR —
Video 4K@30/60fps, 1080p@30/60/120fps, gyro-EIS, OIS, Dolby Vision HDR, Ultra XDR —
Cameras Single camera —
Modules 32 MP, f/2.2, 22mm (wide), 1/3.42", 0.64µm No Camera
Video 1080p@30fps —
Loudspeaker Yes, with stereo speakers Yes
Audio Jack No No
Audio Codec — Not Available
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 b/g/n
Bluetooth 5.4, A2DP, LE 5.0, A2DP, LE
GPS / Positioning GPS, GALILEO, GLONASS, BDS, QZSS GPS, GLONASS, GALILEO, BDS
NFC Yes Yes
Radio No No
USB USB Type-C 2.0, OTG No
Fingerprint Yes (under display, optical) No
Face Unlock — No
Sensors Accelerometer, gyro, proximity, compass Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)
Other Features — 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, 5080 mAh - InternationalLi-Po, 5400 mAh - India Best 340 mAh (45mm)247 mAh (41mm)
Wired Charging 50W, 50% in 22 min, 100% in 64 min N/A
Wireless Charging — Wireless (WPC-based)
Reverse Wireless Charging 7.5W reverse wired N/A
Colours Black, Silver, Pink Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
Models A069P SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U

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