Samsung Galaxy A51 5G vs Samsung Galaxy Watch3

Specs comparison

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2 of 2 devices The best value in a row is marked Best
Brand Samsung Samsung
Versions SM-A516B/DS (International), SM-A516U (USA), SM-A516F/DSN, SM-A516N (South Korea) SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
Announced 2020, April 08 2020, August 05
Released 2020, April 29 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 / 1900 / 2100 - SM-A516B/DSHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Bands 1, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41 - SM-A516B/DS2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A516U 1, 3, 5, 7, 8, 20
5G Bands 41, 78 SA/NSA/Sub6 - SM-A516B/DS —
Speed HSPA, LTE, 5G HSPA, LTE
Dimensions 158.9 x 73.6 x 8.7 mm(6.26 x 2.90 x 0.34 in) 45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm
Weight 187 g (6.60 oz) 53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
Build Glass front (Gorilla Glass 3), plastic back, aluminum frame Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
SIM · Nano-SIM· Nano-SIM + Nano-SIM eSIM (LTE models)
Protection / IP Rating — IP68 dust/water resistant, 5ATMMIL-STD-810G compliant
Display Type Super AMOLED Super AMOLED
Display Size 6.5 inches, 102.0 cm2 (~87.2% screen-to-body ratio) Best 1.4 inches
Resolution 1080 x 2400 pixels, 20:9 ratio 360 x 360 pixels
Pixel Density ~405 ppi Best ~364 ppi
Refresh Rate 60Hz 60Hz
Peak Brightness 400 to 420 nits —
Protection Corning Gorilla Glass 3 Corning Gorilla Glass DX
Display Features Infinity-O Always-On-Display
Operating System Android Tizen
OS Version 10 5.5
Update Support Upgradable to Android 13 —
User Interface One UI 2.1, Upgradable to One UI 5 —
Chipset Exynos 980 (8 nm) Exynos 9110 (10 nm)
CPU Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55) Dual-core 1.15 GHz Cortex-A53
GPU Mali-G76 MP5 Mali-T720
RAM Options 4GB, 6GB, 8GB 1GB
Storage Options 128GB / 4GB RAM128GB / 6GB RAM128GB / 8GB RAM 4GB / 1GB RAM8GB / 1GB RAM
Storage Type UFS 2.1 eMMC
Card Slot microSDXC (uses shared SIM slot) No
Cameras Triple camera —
Modules 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF12 MP, f/2.2, 123˚ (ultrawide)5 MP (macro)Auxiliary lens No Camera
Features LED flash, panorama, HDR —
Video 4K@30fps, 1080p@30/120fps, gyro-EIS —
Cameras Single camera —
Modules 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm No Camera
Features HDR —
Video 4K@30fps, 1080p@30fps —
Loudspeaker Yes Yes
Audio Jack Yes No
Audio Codec — Not Available
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 b/g/n
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
GPS / Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
NFC Yes Yes
Radio FM radio, RDS, recording No
USB USB Type-C 2.0, OTG No
Fingerprint Yes, (under display, optical) No
Face Unlock Yes No
Sensors Accelerometer, gyro, proximity, compass Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)
Other Features ANT+ ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions
Battery Type Li-Po Li-Ion
Battery Capacity 4500 mAh Best 340 mAh (45mm)247 mAh (41mm)
Wired Charging 15W wired N/A
Wireless Charging No Wireless (WPC-based)
Reverse Wireless Charging — N/A
Colours Prism Cube Black, Prism Cube White, Prism Cube Pink Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
Models SM-A516F, SM-A516F/DSN, SM-A516N, SM-A516B/DS, SM-A516B, SM-A516U, SC-54A, SM-A516U1, SCG07, SM-A5160 SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U
SAR EU 0.50 W/kg (head) 1.55 W/kg (body) —