Screen size
Poco C81xWinner: 6.9"+27%
Redmi 3s5.0"
Quick verdict
Poco C81x leads the measured specs 13-2.
Measured wins
Poco C81x
13
spec wins
Overall winner
Ties
6
equal specs
Redmi 3s
2
spec wins
Screen size
Technology
Poco C81x
GSM / HSPA / LTE
Redmi 3s
GSM / HSPA / LTE
2G bands
Poco C81x
GSM 850 / 900 / 1800 / 1900
Redmi 3s
GSM 900 / 1800 - SIM 1 & SIM 2
3G bands
Poco C81x
HSDPA 850 / 900 / 2100
Redmi 3s
HSDPA 900 / 2100
4G bands
Poco C81x
1, 3, 5, 8, 28, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Redmi 3s
3, 5, 40 - India
Speed
Poco C81x
HSPA, LTE
Redmi 3s
HSPA, LTE
Announced
Poco C81x
2026, April 23
Redmi 3s
2016, June. Released 2016, June
Status
Poco C81x
Available. Released 2026, April 23
Redmi 3s
Discontinued
Dimensions
Poco C81x
171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)
Redmi 3s
139.3 x 69.6 x 8.5 mm (5.48 x 2.74 x 0.33 in)
Weight
Poco C81x
193 g (6.81 oz)
Redmi 3s
144 g (5.08 oz)
SIM
Poco C81x
Nano-SIM + Nano-SIM
Redmi 3s
Nano-SIM + Micro-SIM
Other
Poco C81x
Dust and splash resistant
Redmi 3s
-
Build
Poco C81x
-
Redmi 3s
Glass front, aluminum back, aluminum frame
Type
Poco C81x
IPS LCD, 120Hz, 650 nits (HBM)
Redmi 3s
IPS LCD
Size
Poco C81x
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
Redmi 3s
5.0 inches, 68.9 cm2 (~71.1% screen-to-body ratio)
Resolution
Poco C81x
720 x 1640 pixels (~260 ppi density)
Redmi 3s
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
Poco C81x
Android 15, up to 2 major Android upgrades
Redmi 3s
Android 6.0.1 (Marshmallow), MIUI 9.2
Chipset
Poco C81x
Unisoc T7250 (12 nm)
Redmi 3s
Qualcomm MSM8937 Snapdragon 430 (28 nm)
CPU
Poco C81x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Redmi 3s
Octa-core 1.4 GHz Cortex-A53
GPU
Poco C81x
Mali-G57 MP1
Redmi 3s
Adreno 505
Card slot
Poco C81x
microSDXC (dedicated slot)
Redmi 3s
microSDXC (uses shared SIM slot)
Internal
Poco C81x
64GB 3GB RAM
Redmi 3s
16GB 2GB RAM, 32GB 3GB RAM
Other
Poco C81x
-
Redmi 3s
eMMC 5.1
Single
Poco C81x
13 MP, f/2.2, (wide)
Redmi 3s
13 MP, f/2.0, PDAF
Features
Poco C81x
LED flash, HDR
Redmi 3s
LED flash, HDR, panorama
Video
Poco C81x
1080p@30fps
Redmi 3s
1080p@30fps
Single
Poco C81x
8 MP, f/2.0, (wide)
Redmi 3s
5 MP, f/2.2
Features
Poco C81x
HDR
Redmi 3s
-
Video
Poco C81x
1080p@30fps
Redmi 3s
1080p@30fps
Loudspeaker
Poco C81x
Yes
Redmi 3s
Yes
3.5mm jack
Poco C81x
Yes
Redmi 3s
Yes
WLAN
Poco C81x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi 3s
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Poco C81x
5.2, A2DP, LE
Redmi 3s
4.1, A2DP
Positioning
Poco C81x
GPS, GALILEO, GLONASS, QZSS
Redmi 3s
GPS, GLONASS, BDS
NFC
Poco C81x
No
Redmi 3s
No
Radio
Poco C81x
FM radio
Redmi 3s
FM radio
USB
Poco C81x
USB Type-C 2.0, OTG
Redmi 3s
microUSB 2.0
Infrared port
Poco C81x
-
Redmi 3s
Yes
Sensors
Poco C81x
Fingerprint (side-mounted), accelerometer, compass
Redmi 3s
Accelerometer, gyro, proximity, compass
Other
Poco C81x
Virtual proximity sensing
Redmi 3s
-
Type
Poco C81x
5200 mAh
Redmi 3s
Li-Ion 4100 mAh, non-removable
Charging
Poco C81x
15W wired 7.5W reverse wired
Redmi 3s
10W wired
Colors
Poco C81x
Ice Blue, Crystal Black
Redmi 3s
Gold, Dark Gray, Silver
Price
Poco C81x
About 90 EUR
Redmi 3s
About 120 EUR
Models
Poco C81x
-
Redmi 3s
2016031
SAR
Poco C81x
-
Redmi 3s
0.22 W/kg (head) 1.22 W/kg (body)
SAR EU
Poco C81x
-
Redmi 3s
0.62 W/kg (head) 0.43 W/kg (body)