Screen size
Mi 1S4.0"
Poco C81 ProWinner: 6.9"+42%
Quick verdict
Poco C81 Pro leads the measured specs 16-1.
Measured wins
Mi 1S
1
spec wins
Ties
4
equal specs
Poco C81 Pro
16
spec wins
Overall winner
Screen size
Technology
Mi 1S
GSM / HSPA
Poco C81 Pro
GSM / HSPA / LTE
2G bands
Mi 1S
GSM 850 / 900 / 1800 / 1900
Poco C81 Pro
GSM 900 / 1800 / 1900
3G bands
Mi 1S
HSDPA 850 / 1900 / 2100
Poco C81 Pro
HSDPA 850 / 900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - LATAM
Speed
Mi 1S
HSPA 14.4/5.76 Mbps
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
Poco C81 Pro
HSPA, LTE
4G bands
Mi 1S
-
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
Announced
Mi 1S
2012, August. Released 2012, August
Poco C81 Pro
2026, April 27
Status
Mi 1S
Discontinued
Poco C81 Pro
Available. Released 2026, April 27
Dimensions
Mi 1S
125 x 63 x 11.9 mm (4.92 x 2.48 x 0.47 in)
Poco C81 Pro
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Weight
Mi 1S
149 g (5.26 oz)
Poco C81 Pro
208 g (7.34 oz)
SIM
Mi 1S
Mini-SIM
Poco C81 Pro
Nano-SIM + Nano-SIM
Build
Mi 1S
-
Poco C81 Pro
Glass front, plastic frame, plastic back
Type
Mi 1S
TFT
Poco C81 Pro
IPS LCD, 120Hz, 650 nits (typ), 800 nits (peak)
Size
Mi 1S
4.0 inches, 44.1 cm2 (~56.0% screen-to-body ratio)
Poco C81 Pro
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Resolution
Mi 1S
480 x 854 pixels, 16:9 ratio (~245 ppi density)
Poco C81 Pro
720 x 1600 pixels, 20:9 ratio (~254 ppi density)
OS
Mi 1S
Android 4.0 (Ice Cream Sandwich)
Poco C81 Pro
Android 15, up to 4 major Android upgrades, HyperOS 3
Chipset
Mi 1S
Qualcomm MSM8260 Snapdragon S3
Poco C81 Pro
Unisoc T7250 (12 nm)
CPU
Mi 1S
Dual-core 1.7 GHz Scorpion
Poco C81 Pro
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Mi 1S
Adreno 220
Poco C81 Pro
Mali-G57 MP1
Card slot
Mi 1S
microSDHC (dedicated slot)
Poco C81 Pro
microSDXC (dedicated slot)
Internal
Mi 1S
4GB 1GB RAM
Poco C81 Pro
64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM
Other
Mi 1S
-
Poco C81 Pro
UFS 2.2
Single
Mi 1S
8 MP, f/2.2, 28mm (wide), AF
Poco C81 Pro
13 MP, f/2.2, (wide), 1/3.06"
Features
Mi 1S
LED flash, HDR
Poco C81 Pro
LED flash, HDR
Video
Mi 1S
1080p@30fps
Poco C81 Pro
1080p@30fps
Single
Mi 1S
2 MP
Poco C81 Pro
8 MP, f/2.0, (wide)
Video
Mi 1S
Poco C81 Pro
1080p@30fps
Features
Mi 1S
-
Poco C81 Pro
HDR
Loudspeaker
Mi 1S
Yes
Poco C81 Pro
Yes
3.5mm jack
Mi 1S
Yes
Poco C81 Pro
Yes
WLAN
Mi 1S
Wi-Fi 802.11 b/g/n, hotspot
Poco C81 Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Mi 1S
2.1, A2DP
Poco C81 Pro
5.2, A2DP, LE
Positioning
Mi 1S
GPS, A-GPS
Poco C81 Pro
GPS, GALILEO, GLONASS, BDS
Radio
Mi 1S
No
Poco C81 Pro
FM radio
USB
Mi 1S
microUSB 2.0
Poco C81 Pro
USB Type-C 2.0
NFC
Mi 1S
-
Poco C81 Pro
Yes (market/region dependent)
Sensors
Mi 1S
Accelerometer, proximity, compass
Poco C81 Pro
Fingerprint (side-mounted), accelerometer, compass
Other
Mi 1S
-
Poco C81 Pro
Virtual proximity sensing
Type
Mi 1S
Removable Li-Ion 1930 mAh battery
Poco C81 Pro
6000 mAh
Charging
Mi 1S
-
Poco C81 Pro
15W wired 7.5W reverse wired
Colors
Mi 1S
White, green, blue, red, violet, orange, gray
Poco C81 Pro
Black, Gold, Green
Price
Mi 1S
About 190 EUR
Poco C81 Pro
About 120 EUR