Screen size
Poco C81xWinner: 6.9"+3.1%
Redmi Note 9 Pro Max6.7"
Quick verdict
Poco C81x and Redmi Note 9 Pro Max are close on the measured specs.
Measured wins
Poco C81x
7
spec wins
Ties
7
equal specs
Redmi Note 9 Pro Max
7
spec wins
Screen size
Technology
Poco C81x
GSM / HSPA / LTE
Redmi Note 9 Pro Max
GSM / HSPA / LTE
2G bands
Poco C81x
GSM 850 / 900 / 1800 / 1900
Redmi Note 9 Pro Max
GSM 850 / 900 / 1800 / 1900
3G bands
Poco C81x
HSDPA 850 / 900 / 2100
Redmi Note 9 Pro Max
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
equal specsMain camera
Front 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 Note 9 Pro Max
1, 3, 5, 8, 40, 41
Speed
Poco C81x
HSPA, LTE
Redmi Note 9 Pro Max
HSPA, LTE
Announced
Poco C81x
2026, April 23
Redmi Note 9 Pro Max
2020, March 12. Released 2020, May 12
Status
Poco C81x
Available. Released 2026, April 23
Redmi Note 9 Pro Max
Discontinued
Dimensions
Poco C81x
171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)
Redmi Note 9 Pro Max
165.5 x 76.7 x 8.8 mm (6.52 x 3.02 x 0.35 in)
Weight
Poco C81x
193 g (6.81 oz)
Redmi Note 9 Pro Max
209 g (7.37 oz)
SIM
Poco C81x
Nano-SIM + Nano-SIM
Redmi Note 9 Pro Max
Nano-SIM + Nano-SIM
Other
Poco C81x
Dust and splash resistant
Redmi Note 9 Pro Max
Water-repellent coating
Build
Poco C81x
-
Redmi Note 9 Pro Max
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Type
Poco C81x
IPS LCD, 120Hz, 650 nits (HBM)
Redmi Note 9 Pro Max
IPS LCD, 450 nits (typ)
Size
Poco C81x
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
Redmi Note 9 Pro Max
6.67 inches, 107.4 cm2 (~84.6% screen-to-body ratio)
Resolution
Poco C81x
720 x 1640 pixels (~260 ppi density)
Redmi Note 9 Pro Max
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection
Poco C81x
-
Redmi Note 9 Pro Max
Corning Gorilla Glass 5
OS
Poco C81x
Android 15, up to 2 major Android upgrades
Redmi Note 9 Pro Max
Android 10, upgradable to Android 12, MIUI 13
Chipset
Poco C81x
Unisoc T7250 (12 nm)
Redmi Note 9 Pro Max
Qualcomm SM7125 Snapdragon 720G (8 nm)
CPU
Poco C81x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Redmi Note 9 Pro Max
Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
GPU
Poco C81x
Mali-G57 MP1
Redmi Note 9 Pro Max
Adreno 618
Card slot
Poco C81x
microSDXC (dedicated slot)
Redmi Note 9 Pro Max
microSDXC (dedicated slot)
Internal
Poco C81x
64GB 3GB RAM
Redmi Note 9 Pro Max
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Other
Poco C81x
-
Redmi Note 9 Pro Max
UFS 2.1
Single
Poco C81x
13 MP, f/2.2, (wide)
Redmi Note 9 Pro Max
-
Features
Poco C81x
LED flash, HDR
Redmi Note 9 Pro Max
LED flash, HDR, panorama
Video
Poco C81x
1080p@30fps
Redmi Note 9 Pro Max
4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Quad
Poco C81x
-
Redmi Note 9 Pro Max
64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens
Single
Poco C81x
8 MP, f/2.0, (wide)
Redmi Note 9 Pro Max
32 MP, (wide), 1/2.8", 0.8µm
Features
Poco C81x
HDR
Redmi Note 9 Pro Max
HDR, panorama
Video
Poco C81x
1080p@30fps
Redmi Note 9 Pro Max
1080p@30fps
Loudspeaker
Poco C81x
Yes
Redmi Note 9 Pro Max
Yes
3.5mm jack
Poco C81x
Yes
Redmi Note 9 Pro Max
Yes
WLAN
Poco C81x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi Note 9 Pro Max
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Poco C81x
5.2, A2DP, LE
Redmi Note 9 Pro Max
5.0, A2DP, LE
Positioning
Poco C81x
GPS, GALILEO, GLONASS, QZSS
Redmi Note 9 Pro Max
GPS, GLONASS, GALILEO, BDS, NavIC
NFC
Poco C81x
No
Redmi Note 9 Pro Max
No
Radio
Poco C81x
FM radio
Redmi Note 9 Pro Max
FM radio, recording
USB
Poco C81x
USB Type-C 2.0, OTG
Redmi Note 9 Pro Max
USB Type-C 2.0
Infrared port
Poco C81x
-
Redmi Note 9 Pro Max
Yes
Sensors
Poco C81x
Fingerprint (side-mounted), accelerometer, compass
Redmi Note 9 Pro Max
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Other
Poco C81x
Virtual proximity sensing
Redmi Note 9 Pro Max
-
Type
Poco C81x
5200 mAh
Redmi Note 9 Pro Max
Li-Po 5020 mAh
Charging
Poco C81x
15W wired 7.5W reverse wired
Redmi Note 9 Pro Max
33W wired, 50% in 30 min
Colors
Poco C81x
Ice Blue, Crystal Black
Redmi Note 9 Pro Max
Aurora Blue, Glacier White, Interstellar Black
Price
Poco C81x
About 90 EUR
Redmi Note 9 Pro Max
About 180 EUR
Models
Poco C81x
-
Redmi Note 9 Pro Max
M2003J6B1I
SAR
Poco C81x
-
Redmi Note 9 Pro Max
0.88 W/kg (head) 0.47 W/kg (body)