Screen size
Poco C81Winner: 6.9"+5.4%
Redmi 9 Activ6.5"
Quick verdict
Poco C81 leads the measured specs 8-3.
Measured wins
Poco C81
8
spec wins
Overall winner
Ties
10
equal specs
Redmi 9 Activ
3
spec wins
Screen size
Technology
Poco C81
GSM / HSPA / LTE
Redmi 9 Activ
GSM / HSPA / LTE
2G bands
Poco C81
GSM 900 / 1800 / 1900
Redmi 9 Activ
GSM 850 / 900 / 1800 / 1900
3G bands
Poco C81
HSDPA 850 / 900 / 2100
Redmi 9 Activ
HSDPA 850 / 900 / 2100
4G bands
Poco C81
LTE
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Redmi 9 Activ
1, 3, 5, 8, 40, 41
Speed
Poco C81
HSPA, LTE
Redmi 9 Activ
HSPA, LTE
Announced
Poco C81
2026, April 23
Redmi 9 Activ
2021, September 24
Status
Poco C81
Available. Released 2026, April 23
Redmi 9 Activ
Available. Released 2021, September 24
Dimensions
Poco C81
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Redmi 9 Activ
164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in)
Weight
Poco C81
208 g (7.34 oz)
Redmi 9 Activ
194 g (6.84 oz)
Build
Poco C81
Glass front, plastic frame, plastic back
Redmi 9 Activ
-
SIM
Poco C81
Nano-SIM + Nano-SIM
Redmi 9 Activ
Nano-SIM + Nano-SIM
Other
Poco C81
Dust and splash resistant
Redmi 9 Activ
Water-repellent coating
Type
Poco C81
IPS LCD, 120Hz, 800 nits (peak)
Redmi 9 Activ
IPS LCD, 400 nits (typ)
Size
Poco C81
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Redmi 9 Activ
6.53 inches, 102.9 cm2 (~81.0% screen-to-body ratio)
Resolution
Poco C81
720 x 1600 pixels, 20:9 ratio (~254 ppi density)
Redmi 9 Activ
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
OS
Poco C81
Android 16, up to 4 major Android upgrades, HyperOS 3
Redmi 9 Activ
Android 10, MIUI 12
Chipset
Poco C81
Unisoc T7250 (12 nm)
Redmi 9 Activ
Mediatek MT6765G Helio G35 (12 nm)
CPU
Poco C81
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Redmi 9 Activ
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
Poco C81
Mali-G57 MP1
Redmi 9 Activ
PowerVR GE8320
Card slot
Poco C81
microSDXC (dedicated slot)
Redmi 9 Activ
microSDXC (dedicated slot)
Internal
Poco C81
64GB 4GB RAM
Redmi 9 Activ
64GB 4GB RAM, 128GB 6GB RAM
Other
Poco C81
-
Redmi 9 Activ
eMMC 5.1
Single
Poco C81
13 MP, (wide)
Redmi 9 Activ
-
Features
Poco C81
LED flash
Redmi 9 Activ
LED flash, HDR
Video
Poco C81
1080p@30fps
Redmi 9 Activ
1080p@30fps
Dual
Poco C81
-
Redmi 9 Activ
13 MP, f/2.2, (wide), PDAF Auxiliary lens
Single
Poco C81
8 MP, (wide)
Redmi 9 Activ
5 MP, f/2.2, (wide), 1.12µm
Features
Poco C81
HDR
Redmi 9 Activ
HDR
Video
Poco C81
1080p@30fps
Redmi 9 Activ
1080p@30fps
Loudspeaker
Poco C81
Yes
Redmi 9 Activ
Yes
3.5mm jack
Poco C81
Yes
Redmi 9 Activ
Yes
WLAN
Poco C81
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi 9 Activ
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Poco C81
5.2, A2DP, LE
Redmi 9 Activ
5.0, A2DP, LE
Positioning
Poco C81
GPS, GALILEO, GLONASS, BDS
Redmi 9 Activ
GPS, GLONASS, BDS
NFC
Poco C81
No
Redmi 9 Activ
No
Radio
Poco C81
FM radio
Redmi 9 Activ
FM radio
USB
Poco C81
USB Type-C 2.0
Redmi 9 Activ
microUSB 2.0, OTG
Sensors
Poco C81
Fingerprint (side-mounted), accelerometer, compass
Redmi 9 Activ
Fingerprint (rear-mounted), accelerometer, proximity
Other
Poco C81
Virtual proximity sensing
Redmi 9 Activ
-
Type
Poco C81
6300 mAh
Redmi 9 Activ
Li-Po 5000 mAh
Charging
Poco C81
15W wired 7.5W reverse wired
Redmi 9 Activ
10W wired
Colors
Poco C81
Sky Blue, Elite Black, Sunset Gold
Redmi 9 Activ
Carbon Black, Coral Green, Metallic Purple
Price
Poco C81
About 100 EUR
Redmi 9 Activ
About 110 EUR
SAR
Poco C81
-
Redmi 9 Activ
0.51 W/kg (head) 0.83 W/kg (body)