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Comparing
Infinix Zero 5G
Samsung Galaxy Watch3
2 of 3 devices
The best value in a row is marked Best
Overview
5
Brand
Infinix
Samsung
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Versions
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SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
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Announced
2022, February 08
2020, August 05
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Released
2022, March 03
2020, August 06
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Availability
Available
Available
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5G
Network
6
Technologyi
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE
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2G Bandsi
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
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3G Bandsi
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 2100
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4G Bandsi
1, 2, 3, 4, 5, 7, 8, 17, 20, 28, 38, 40, 41, 66 - X6815 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 66 - X6815B
1, 3, 5, 7, 8, 20
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5G Bandsi
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA/Sub6 - X6815 1, 28, 38, 41, 77, 78, 79 SA/NSA/Sub6 - X6815B
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Speedi
HSPA, LTE, 5G
HSPA, LTE
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Body
6
Dimensions
168.7 x 76.5 x 8.8 mm (6.64 x 3.01 x 0.35 in)
45mm: 45 x 46.2 x 11.1 mm 41mm: 41 x 42.5 x 11.3 mm
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Weighti
199 g (7.05 oz)
53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
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Buildi
Glass front, plastic frame, plastic back
Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
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Stylus
No
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SIMi
Nano-SIM + Nano-SIM
eSIM (LTE models)
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Protection / IP Ratingi
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IP68 dust/water resistant, 5ATM MIL-STD-810G compliant
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Display
8
Display Typei
IPS LCD
Super AMOLED
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Display Sizei
6.78 inches, 113.7 cm2 (~88.1% screen-to-body ratio) Best
1.4 inches
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Resolutioni
1080 x 2460 pixels
360 x 360 pixels
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Pixel Densityi
~388 ppi Best
~364 ppi
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Refresh Ratei
120Hz Best
60Hz
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Peak Brightnessi
500 nits
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Protectioni
—
Corning Gorilla Glass DX
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Display Features
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Always-On-Display
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Platform
7
Operating Systemi
Android
Tizen
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OS Version
11
5.5
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Update Supporti
Upgradable to Android 12
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User Interface
XOS 10.6
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Chipseti
Mediatek Dimensity 900 (6 nm)
Exynos 9110 (10 nm)
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CPUi
Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
Dual-core 1.15 GHz Cortex-A53
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GPUi
Mali-G68 MC4
Mali-T720
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Memory
4
RAM Optionsi
8GB
1GB
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Storage Optionsi
128GB
4GB / 1GB RAM 8GB / 1GB RAM
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Storage Typei
UFS 3.1
eMMC
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Card Sloti
microSDXC (dedicated slot)
No
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Main Camera
4
Cameras
Triple camera
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Modulesi
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 13 MP, f/2.5, 50mm (telephoto), 1/3.1", 1.12µm, PDAF, 2x optical zoom 2 MP
No Camera
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Features
Quad-LED flash HDR panorama
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Videoi
4K@30fps 1080p@30/60fps
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Selfie Camera
4
Cameras
Single camera
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Modulesi
16 MP, f/2.0, (wide), 1/2.76", 1.12µm
No Camera
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Features
Dual-LED flash
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Videoi
1080p@30fps
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Sound
3
Loudspeaker
Yes
Yes
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Audio Jacki
Yes
No
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Audio Codeci
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Not Available
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Connectivity & Ports
6
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Wi-Fi 802.11 b/g/n
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Bluetoothi
Yes
5.0, A2DP, LE
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GPS / Positioningi
GPS
GPS, GLONASS, GALILEO, BDS
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NFCi
No
Yes
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Radio
FM radio
No
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USBi
USB Type-C 2.0, OTG
No
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Features & Security
4
Fingerprinti
Yes, (side-mounted)
No
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Face Unlock
Yes (2D face unlock)
No
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Sensorsi
Accelerometer, Gyro, Proximity, Compass
Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)
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Other Features
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ECG certified Blood pressure monitor Compatible with standard 22mm (45mm) / 20mm (41mm) straps Sizes: 41mm, 45mm; Bluetooth and LTE versions
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Battery
5
Battery Typei
Li-Po
Li-Ion
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Battery Capacityi
5000 mAh Best
340 mAh (45mm) 247 mAh (41mm)
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Wired Chargingi
33W wired
N/A
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Wireless Chargingi
No
Wireless (WPC-based)
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Reverse Wireless Chargingi
5W wired reverse charging
N/A
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Miscellaneous
4
Colours
Cosmic Black, Skylight Orange, Horizon Blue
Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
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Models
X6815, X6815B
SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U
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SARi
0.95 W/kg (Head) 0.86 W/kg (Body)
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SAR EUi
0.67 W/kg (Head) 0.97 W/kg (Body)
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