Screen size
Poco C81xWinner: 6.9"+27%
Redmi 4A5.0"
Quick verdict
Poco C81x leads the measured specs 13-2.
Measured wins
Poco C81x
13
spec wins
Overall winner
Ties
6
equal specs
Redmi 4A
2
spec wins
Screen size
Technology
Poco C81x
GSM / HSPA / LTE
Redmi 4A
GSM / HSPA / LTE
2G bands
Poco C81x
GSM 850 / 900 / 1800 / 1900
Redmi 4A
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Poco C81x
HSDPA 850 / 900 / 2100
Redmi 4A
HSDPA 850 / 900 / 1900 / 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 4A
1, 3, 4, 5, 7, 20, 38, 40
Speed
Poco C81x
HSPA, LTE
Redmi 4A
HSPA, LTE
Announced
Poco C81x
2026, April 23
Redmi 4A
2016, November. Released 2016, November
Status
Poco C81x
Available. Released 2026, April 23
Redmi 4A
Discontinued
Dimensions
Poco C81x
171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)
Redmi 4A
139.9 x 70.4 x 8.5 mm (5.51 x 2.77 x 0.33 in)
Weight
Poco C81x
193 g (6.81 oz)
Redmi 4A
131.5 g (4.66 oz)
SIM
Poco C81x
Nano-SIM + Nano-SIM
Redmi 4A
Nano-SIM + Micro-SIM
Other
Poco C81x
Dust and splash resistant
Redmi 4A
-
Build
Poco C81x
-
Redmi 4A
Glass front, plastic back, plastic frame
Type
Poco C81x
IPS LCD, 120Hz, 650 nits (HBM)
Redmi 4A
IPS LCD
Size
Poco C81x
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
Redmi 4A
5.0 inches, 68.0 cm2 (~69.0% screen-to-body ratio)
Resolution
Poco C81x
720 x 1640 pixels (~260 ppi density)
Redmi 4A
720 x 1280 pixels, 16:9 ratio (~296 ppi density)
OS
Poco C81x
Android 15, up to 2 major Android upgrades
Redmi 4A
Android 6.0.1 (Marshmallow), MIUI 10
Chipset
Poco C81x
Unisoc T7250 (12 nm)
Redmi 4A
Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU
Poco C81x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Redmi 4A
Quad-core 1.4 GHz Cortex-A53
GPU
Poco C81x
Mali-G57 MP1
Redmi 4A
Adreno 308
Card slot
Poco C81x
microSDXC (dedicated slot)
Redmi 4A
microSDXC (uses shared SIM slot)
Internal
Poco C81x
64GB 3GB RAM
Redmi 4A
16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
Other
Poco C81x
-
Redmi 4A
eMMC 5.1
Single
Poco C81x
13 MP, f/2.2, (wide)
Redmi 4A
13 MP, f/2.2, AF
Features
Poco C81x
LED flash, HDR
Redmi 4A
LED flash, HDR, panorama
Video
Poco C81x
1080p@30fps
Redmi 4A
1080p@30fps
Single
Poco C81x
8 MP, f/2.0, (wide)
Redmi 4A
5 MP, f/2.2
Features
Poco C81x
HDR
Redmi 4A
-
Video
Poco C81x
1080p@30fps
Redmi 4A
Loudspeaker
Poco C81x
Yes
Redmi 4A
Yes
3.5mm jack
Poco C81x
Yes
Redmi 4A
Yes
WLAN
Poco C81x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi 4A
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Poco C81x
5.2, A2DP, LE
Redmi 4A
4.1, A2DP, LE
Positioning
Poco C81x
GPS, GALILEO, GLONASS, QZSS
Redmi 4A
GPS, GLONASS, BDS
NFC
Poco C81x
No
Redmi 4A
No
Radio
Poco C81x
FM radio
Redmi 4A
FM radio
USB
Poco C81x
USB Type-C 2.0, OTG
Redmi 4A
microUSB 2.0
Infrared port
Poco C81x
-
Redmi 4A
Yes
Sensors
Poco C81x
Fingerprint (side-mounted), accelerometer, compass
Redmi 4A
Accelerometer, gyro, proximity
Other
Poco C81x
Virtual proximity sensing
Redmi 4A
-
Type
Poco C81x
5200 mAh
Redmi 4A
Li-Ion 3120 mAh, non-removable
Charging
Poco C81x
15W wired 7.5W reverse wired
Redmi 4A
-
Colors
Poco C81x
Ice Blue, Crystal Black
Redmi 4A
Gold, Rose Gold, Dark Gray
Price
Poco C81x
About 90 EUR
Redmi 4A
About 110 EUR
Models
Poco C81x
-
Redmi 4A
2016117
SAR
Poco C81x
-
Redmi 4A
0.53 W/kg (head) 1.18 W/kg (body)