Screen size
Poco C81 ProWinner: 6.9"+79%
Watch S31.4"
Quick verdict
Poco C81 Pro leads the measured specs 16-3.
Measured wins
Poco C81 Pro
16
spec wins
Overall winner
Ties
2
equal specs
Watch S3
3
spec wins
Screen size
Technology
Poco C81 Pro
GSM / HSPA / LTE
Watch S3
GSM / HSPA / LTE
2G bands
Poco C81 Pro
GSM 900 / 1800 / 1900
Watch S3
GSM 850 / 900 / 1800 / 1900
3G bands
Poco C81 Pro
HSDPA 850 / 900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - LATAM
Watch S3
HSDPA
4G bands
Poco C81 Pro
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International, 1, 2, 3, 4, 5, 7, 8, 13, 18, 19, 26, 28, 38, 40, 41, 66 - LATAM
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
SD card
Stereo speakers
Watch S3
LTE
Speed
Poco C81 Pro
HSPA, LTE
Watch S3
HSPA, LTE
GPRS
Poco C81 Pro
-
Watch S3
No
EDGE
Poco C81 Pro
-
Watch S3
No
Announced
Poco C81 Pro
2026, April 27
Watch S3
2023, October 28
Status
Poco C81 Pro
Available. Released 2026, April 27
Watch S3
Available. Released 2023, October 28
Dimensions
Poco C81 Pro
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Watch S3
47 x 47 x 12 mm (1.85 x 1.85 x 0.47 in)
Weight
Poco C81 Pro
208 g (7.34 oz)
Watch S3
44 g (1.55 oz)
Build
Poco C81 Pro
Glass front, plastic frame, plastic back
Watch S3
Aluminum alloy frame, stainless steel bezel
SIM
Poco C81 Pro
Nano-SIM + Nano-SIM
Watch S3
eSIM (market/region dependent)
Other
Poco C81 Pro
-
Watch S3
Waterproof (5ATM)
Type
Poco C81 Pro
IPS LCD, 120Hz, 650 nits (typ), 800 nits (peak)
Watch S3
AMOLED, 600 nits
Size
Poco C81 Pro
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Watch S3
1.43 inches
Resolution
Poco C81 Pro
720 x 1600 pixels, 20:9 ratio (~254 ppi density)
Watch S3
466 x 466 pixels (~326 ppi density)
Protection
Poco C81 Pro
-
Watch S3
Scratch/drop-proof glass
OS
Poco C81 Pro
Android 15, up to 4 major Android upgrades, HyperOS 3
Watch S3
HyperOS
Chipset
Poco C81 Pro
Unisoc T7250 (12 nm)
Watch S3
-
CPU
Poco C81 Pro
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Watch S3
-
GPU
Poco C81 Pro
Mali-G57 MP1
Watch S3
-
Card slot
Poco C81 Pro
microSDXC (dedicated slot)
Watch S3
No
Internal
Poco C81 Pro
64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM
Watch S3
-
Other
Poco C81 Pro
UFS 2.2
Watch S3
-
Single
Poco C81 Pro
13 MP, f/2.2, (wide), 1/3.06"
Watch S3
-
Features
Poco C81 Pro
LED flash, HDR
Watch S3
-
Video
Poco C81 Pro
1080p@30fps
Watch S3
-
Single
Poco C81 Pro
8 MP, f/2.0, (wide)
Watch S3
-
Features
Poco C81 Pro
HDR
Watch S3
-
Video
Poco C81 Pro
1080p@30fps
Watch S3
-
Loudspeaker
Poco C81 Pro
Yes
Watch S3
Yes
3.5mm jack
Poco C81 Pro
Yes
Watch S3
No
WLAN
Poco C81 Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Watch S3
No
Bluetooth
Poco C81 Pro
5.2, A2DP, LE
Watch S3
5.2, A2DP, LE
Positioning
Poco C81 Pro
GPS, GALILEO, GLONASS, BDS
Watch S3
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
Poco C81 Pro
Yes (market/region dependent)
Watch S3
Yes (market/region dependent)
Radio
Poco C81 Pro
FM radio
Watch S3
No
USB
Poco C81 Pro
USB Type-C 2.0
Watch S3
No
Sensors
Poco C81 Pro
Fingerprint (side-mounted), accelerometer, compass
Watch S3
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Other
Poco C81 Pro
Virtual proximity sensing
Watch S3
-
Type
Poco C81 Pro
6000 mAh
Watch S3
Li-Po 486 mAh
Charging
Poco C81 Pro
15W wired 7.5W reverse wired
Watch S3
-
Colors
Poco C81 Pro
Black, Gold, Green
Watch S3
Black, Silver, Brown
Price
Poco C81 Pro
About 120 EUR
Watch S3
About 110 EUR
Models
Poco C81 Pro
-
Watch S3
M2313W1, M2311W1
Other
Poco C81 Pro
-
Watch S3
No