Screen size
Poco C81 ProWinner: 6.9"+32%
Redmi 1S4.7"
Quick verdict
Poco C81 Pro leads the measured specs 15-2.
Measured wins
Poco C81 Pro
15
spec wins
Overall winner
Ties
4
equal specs
Redmi 1S
2
spec wins
Screen size
Technology
Poco C81 Pro
GSM / HSPA / LTE
Redmi 1S
GSM / HSPA
2G bands
Poco C81 Pro
GSM 900 / 1800 / 1900
Redmi 1S
GSM 900 / 1800 / 1900
3G bands
Poco C81 Pro
HSDPA 850 / 900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - LATAM
Redmi 1S
HSDPA 900 / 2100
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
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Redmi 1S
-
Speed
Poco C81 Pro
HSPA, LTE
Redmi 1S
HSPA
Announced
Poco C81 Pro
2026, April 27
Redmi 1S
2014, May. Released 2014, May
Status
Poco C81 Pro
Available. Released 2026, April 27
Redmi 1S
Discontinued
Dimensions
Poco C81 Pro
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Redmi 1S
137 x 69 x 9.9 mm (5.39 x 2.72 x 0.39 in)
Weight
Poco C81 Pro
208 g (7.34 oz)
Redmi 1S
158 g (5.57 oz)
Build
Poco C81 Pro
Glass front, plastic frame, plastic back
Redmi 1S
Glass front (Asahi Dragontrail), plastic back, plastic frame
SIM
Poco C81 Pro
Nano-SIM + Nano-SIM
Redmi 1S
Dual SIM (Mini-SIM, dual stand-by)
Type
Poco C81 Pro
IPS LCD, 120Hz, 650 nits (typ), 800 nits (peak)
Redmi 1S
IPS LCD
Size
Poco C81 Pro
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Redmi 1S
4.7 inches, 60.9 cm2 (~64.4% screen-to-body ratio)
Resolution
Poco C81 Pro
720 x 1600 pixels, 20:9 ratio (~254 ppi density)
Redmi 1S
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Protection
Poco C81 Pro
-
Redmi 1S
Asahi Dragontrail Glass
OS
Poco C81 Pro
Android 15, up to 4 major Android upgrades, HyperOS 3
Redmi 1S
Android 4.3 (Jelly Bean), upgradable to 4.4.4 (KitKat), MIUI 9.2
Chipset
Poco C81 Pro
Unisoc T7250 (12 nm)
Redmi 1S
Qualcomm MSM8228 Snapdragon 400 (28 nm)
CPU
Poco C81 Pro
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Redmi 1S
Quad-core 1.6 GHz Cortex-A7
GPU
Poco C81 Pro
Mali-G57 MP1
Redmi 1S
Adreno 305
Card slot
Poco C81 Pro
microSDXC (dedicated slot)
Redmi 1S
microSDXC (dedicated slot)
Internal
Poco C81 Pro
64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM
Redmi 1S
8GB 1GB RAM
Other
Poco C81 Pro
UFS 2.2
Redmi 1S
eMMC 4.5
Single
Poco C81 Pro
13 MP, f/2.2, (wide), 1/3.06"
Redmi 1S
8 MP, f/2.2, 1/3.2", 1.4µm, AF
Features
Poco C81 Pro
LED flash, HDR
Redmi 1S
LED flash, HDR
Video
Poco C81 Pro
1080p@30fps
Redmi 1S
1080p@30fps
Single
Poco C81 Pro
8 MP, f/2.0, (wide)
Redmi 1S
1.6 MP
Features
Poco C81 Pro
HDR
Redmi 1S
-
Video
Poco C81 Pro
1080p@30fps
Redmi 1S
720p@30fps
Loudspeaker
Poco C81 Pro
Yes
Redmi 1S
Yes
3.5mm jack
Poco C81 Pro
Yes
Redmi 1S
Yes
WLAN
Poco C81 Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi 1S
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth
Poco C81 Pro
5.2, A2DP, LE
Redmi 1S
4.0, A2DP, LE
Positioning
Poco C81 Pro
GPS, GALILEO, GLONASS, BDS
Redmi 1S
GPS, GLONASS
NFC
Poco C81 Pro
Yes (market/region dependent)
Redmi 1S
No
Radio
Poco C81 Pro
FM radio
Redmi 1S
FM radio
USB
Poco C81 Pro
USB Type-C 2.0
Redmi 1S
microUSB 2.0, OTG
Sensors
Poco C81 Pro
Fingerprint (side-mounted), accelerometer, compass
Redmi 1S
Accelerometer, gyro, proximity, compass
Other
Poco C81 Pro
Virtual proximity sensing
Redmi 1S
-
Type
Poco C81 Pro
6000 mAh
Redmi 1S
Li-Ion 2000 mAh, removable
Charging
Poco C81 Pro
15W wired 7.5W reverse wired
Redmi 1S
-
Colors
Poco C81 Pro
Black, Gold, Green
Redmi 1S
Black, Chinese Red, Metallic Gray/ blue, green, yellow panels
Price
Poco C81 Pro
About 120 EUR
Redmi 1S
About 90 EUR
Models
Poco C81 Pro
-
Redmi 1S
2014011