Screen size
Poco C81 ProWinner: 6.9"+71%
Redmi Watch 42.0"
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
Redmi Watch 4
3
spec wins
Screen size
Technology
Poco C81 Pro
GSM / HSPA / LTE
Redmi Watch 4
No cellular connectivity
2G bands
Poco C81 Pro
GSM 900 / 1800 / 1900
Redmi Watch 4
N/A
3G bands
Poco C81 Pro
HSDPA 850 / 900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - LATAM
Redmi Watch 4
N/A
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
Redmi Watch 4
N/A
Speed
Poco C81 Pro
HSPA, LTE
Redmi Watch 4
No
GPRS
Poco C81 Pro
-
Redmi Watch 4
No
EDGE
Poco C81 Pro
-
Redmi Watch 4
No
Announced
Poco C81 Pro
2026, April 27
Redmi Watch 4
2023, November 29
Status
Poco C81 Pro
Available. Released 2026, April 27
Redmi Watch 4
Available. Released 2023, November 29
Dimensions
Poco C81 Pro
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Redmi Watch 4
47.6 x 41.1 x 10.5 mm (1.87 x 1.62 x 0.41 in)
Weight
Poco C81 Pro
208 g (7.34 oz)
Redmi Watch 4
31.5 g (1.13 oz)
Build
Poco C81 Pro
Glass front, plastic frame, plastic back
Redmi Watch 4
Plastic back, aluminum frame
SIM
Poco C81 Pro
Nano-SIM + Nano-SIM
Redmi Watch 4
No
Other
Poco C81 Pro
-
Redmi Watch 4
Waterproof (5ATM) 50m water resistant
Type
Poco C81 Pro
IPS LCD, 120Hz, 650 nits (typ), 800 nits (peak)
Redmi Watch 4
AMOLED, 600 nits (peak)
Size
Poco C81 Pro
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Redmi Watch 4
1.97 inches
Resolution
Poco C81 Pro
720 x 1600 pixels, 20:9 ratio (~254 ppi density)
Redmi Watch 4
450 x 390 pixels (~302 ppi density)
OS
Poco C81 Pro
Android 15, up to 4 major Android upgrades, HyperOS 3
Redmi Watch 4
HyperOS
Chipset
Poco C81 Pro
Unisoc T7250 (12 nm)
Redmi Watch 4
-
CPU
Poco C81 Pro
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Redmi Watch 4
-
GPU
Poco C81 Pro
Mali-G57 MP1
Redmi Watch 4
-
Card slot
Poco C81 Pro
microSDXC (dedicated slot)
Redmi Watch 4
No
Internal
Poco C81 Pro
64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM
Redmi Watch 4
16GB
Other
Poco C81 Pro
UFS 2.2
Redmi Watch 4
-
Single
Poco C81 Pro
13 MP, f/2.2, (wide), 1/3.06"
Redmi Watch 4
-
Features
Poco C81 Pro
LED flash, HDR
Redmi Watch 4
-
Video
Poco C81 Pro
1080p@30fps
Redmi Watch 4
-
Single
Poco C81 Pro
8 MP, f/2.0, (wide)
Redmi Watch 4
-
Features
Poco C81 Pro
HDR
Redmi Watch 4
-
Video
Poco C81 Pro
1080p@30fps
Redmi Watch 4
-
Loudspeaker
Poco C81 Pro
Yes
Redmi Watch 4
Yes
3.5mm jack
Poco C81 Pro
Yes
Redmi Watch 4
No
WLAN
Poco C81 Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi Watch 4
No
Bluetooth
Poco C81 Pro
5.2, A2DP, LE
Redmi Watch 4
5.3, A2DP, LE
Positioning
Poco C81 Pro
GPS, GALILEO, GLONASS, BDS
Redmi Watch 4
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
Poco C81 Pro
Yes (market/region dependent)
Redmi Watch 4
Yes (market/region dependent)
Radio
Poco C81 Pro
FM radio
Redmi Watch 4
No
USB
Poco C81 Pro
USB Type-C 2.0
Redmi Watch 4
No
Sensors
Poco C81 Pro
Fingerprint (side-mounted), accelerometer, compass
Redmi Watch 4
Accelerometer, heart rate, compass, gyro, SpO2
Other
Poco C81 Pro
Virtual proximity sensing
Redmi Watch 4
-
Type
Poco C81 Pro
6000 mAh
Redmi Watch 4
Li-Po 470 mAh
Charging
Poco C81 Pro
15W wired 7.5W reverse wired
Redmi Watch 4
-
Colors
Poco C81 Pro
Black, Gold, Green
Redmi Watch 4
Black, White
Price
Poco C81 Pro
About 120 EUR
Redmi Watch 4
About 70 EUR
Models
Poco C81 Pro
-
Redmi Watch 4
M2314W1
Other
Poco C81 Pro
-
Redmi Watch 4
No