Screen size
Poco C81xWinner: 6.9"+8.4%
Redmi Note 8 20216.3"
Quick verdict
Redmi Note 8 2021 leads the measured specs 8-6.
Measured wins
Poco C81x
6
spec wins
Ties
7
equal specs
Redmi Note 8 2021
8
spec wins
Overall winner
Screen size
Technology
Poco C81x
GSM / HSPA / LTE
Redmi Note 8 2021
GSM / HSPA / LTE
2G bands
Poco C81x
GSM 850 / 900 / 1800 / 1900
Redmi Note 8 2021
GSM 850 / 900 / 1800 / 1900
3G bands
Poco C81x
HSDPA 850 / 900 / 2100
Redmi Note 8 2021
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Poco C81x
1, 3, 5, 8, 28, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front 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 Note 8 2021
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
Speed
Poco C81x
HSPA, LTE
Redmi Note 8 2021
HSPA, LTE
Announced
Poco C81x
2026, April 23
Redmi Note 8 2021
2021, May 25
Status
Poco C81x
Available. Released 2026, April 23
Redmi Note 8 2021
Available. Released 2021, May 27
Dimensions
Poco C81x
171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)
Redmi Note 8 2021
158.3 x 75.3 x 8.4 mm (6.23 x 2.96 x 0.33 in)
Weight
Poco C81x
193 g (6.81 oz)
Redmi Note 8 2021
190 g (6.70 oz)
SIM
Poco C81x
Nano-SIM + Nano-SIM
Redmi Note 8 2021
Nano-SIM + Nano-SIM
Other
Poco C81x
Dust and splash resistant
Redmi Note 8 2021
-
Build
Poco C81x
-
Redmi Note 8 2021
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Type
Poco C81x
IPS LCD, 120Hz, 650 nits (HBM)
Redmi Note 8 2021
IPS LCD, 500 nits (typ)
Size
Poco C81x
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
Redmi Note 8 2021
6.3 inches, 97.4 cm2 (~81.7% screen-to-body ratio)
Resolution
Poco C81x
720 x 1640 pixels (~260 ppi density)
Redmi Note 8 2021
1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Protection
Poco C81x
-
Redmi Note 8 2021
Corning Gorilla Glass 5
OS
Poco C81x
Android 15, up to 2 major Android upgrades
Redmi Note 8 2021
Android 11, MIUI 12.5
Chipset
Poco C81x
Unisoc T7250 (12 nm)
Redmi Note 8 2021
Mediatek MT6769Z Helio G85 (12 nm)
CPU
Poco C81x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Redmi Note 8 2021
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Poco C81x
Mali-G57 MP1
Redmi Note 8 2021
Mali-G52 MC2
Card slot
Poco C81x
microSDXC (dedicated slot)
Redmi Note 8 2021
microSDXC (dedicated slot)
Internal
Poco C81x
64GB 3GB RAM
Redmi Note 8 2021
64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
Other
Poco C81x
-
Redmi Note 8 2021
eMMC 5.1
Single
Poco C81x
13 MP, f/2.2, (wide)
Redmi Note 8 2021
-
Features
Poco C81x
LED flash, HDR
Redmi Note 8 2021
LED flash, HDR, panorama
Video
Poco C81x
1080p@30fps
Redmi Note 8 2021
1080p@30/120fps; gyro-EIS
Quad
Poco C81x
-
Redmi Note 8 2021
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Single
Poco C81x
8 MP, f/2.0, (wide)
Redmi Note 8 2021
13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Features
Poco C81x
HDR
Redmi Note 8 2021
HDR, panorama
Video
Poco C81x
1080p@30fps
Redmi Note 8 2021
1080p@30fps
Loudspeaker
Poco C81x
Yes
Redmi Note 8 2021
Yes
3.5mm jack
Poco C81x
Yes
Redmi Note 8 2021
Yes
WLAN
Poco C81x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi Note 8 2021
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Poco C81x
5.2, A2DP, LE
Redmi Note 8 2021
5.2, A2DP, LE
Positioning
Poco C81x
GPS, GALILEO, GLONASS, QZSS
Redmi Note 8 2021
GPS, GLONASS, GALILEO, BDS
NFC
Poco C81x
No
Redmi Note 8 2021
No
Radio
Poco C81x
FM radio
Redmi Note 8 2021
FM radio
USB
Poco C81x
USB Type-C 2.0, OTG
Redmi Note 8 2021
USB Type-C 2.0, OTG
Infrared port
Poco C81x
-
Redmi Note 8 2021
Yes
Sensors
Poco C81x
Fingerprint (side-mounted), accelerometer, compass
Redmi Note 8 2021
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Other
Poco C81x
Virtual proximity sensing
Redmi Note 8 2021
-
Type
Poco C81x
5200 mAh
Redmi Note 8 2021
Li-Po 4000 mAh
Charging
Poco C81x
15W wired 7.5W reverse wired
Redmi Note 8 2021
18W wired
Colors
Poco C81x
Ice Blue, Crystal Black
Redmi Note 8 2021
Neptune Blue, Moonlight White, Space Black
Price
Poco C81x
About 90 EUR
Redmi Note 8 2021
About 160 EUR
Models
Poco C81x
-
Redmi Note 8 2021
M1908C3JGG
SAR
Poco C81x
-
Redmi Note 8 2021
0.97 W/kg (head) 0.75 W/kg (body)
SAR EU
Poco C81x
-
Redmi Note 8 2021
0.57 W/kg (head) 0.94 W/kg (body)