Screen size
Poco C81xWinner: 6.9"+8.4%
Redmi Note 7S6.3"
Quick verdict
Redmi Note 7S leads the measured specs 8-6.
Measured wins
Poco C81x
6
spec wins
Ties
7
equal specs
Redmi Note 7S
8
spec wins
Overall winner
Screen size
Technology
Poco C81x
GSM / HSPA / LTE
Redmi Note 7S
GSM / HSPA / LTE
2G bands
Poco C81x
GSM 850 / 900 / 1800 / 1900
Redmi Note 7S
GSM 850 / 900 / 1800 / 1900
3G bands
Poco C81x
HSDPA 850 / 900 / 2100
Redmi Note 7S
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
equal specsStorage
Main 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 7S
1, 3, 5, 8, 40, 41
Speed
Poco C81x
HSPA, LTE
Redmi Note 7S
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/150 Mbps
Announced
Poco C81x
2026, April 23
Redmi Note 7S
2019, May. Released 2019, May
Status
Poco C81x
Available. Released 2026, April 23
Redmi Note 7S
Discontinued
Dimensions
Poco C81x
171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)
Redmi Note 7S
159.2 x 75.2 x 8.1 mm (6.27 x 2.96 x 0.32 in)
Weight
Poco C81x
193 g (6.81 oz)
Redmi Note 7S
186 g (6.56 oz)
SIM
Poco C81x
Nano-SIM + Nano-SIM
Redmi Note 7S
Nano-SIM + Nano-SIM
Other
Poco C81x
Dust and splash resistant
Redmi Note 7S
Splash resistant
Build
Poco C81x
-
Redmi Note 7S
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Type
Poco C81x
IPS LCD, 120Hz, 650 nits (HBM)
Redmi Note 7S
IPS LCD
Size
Poco C81x
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
Redmi Note 7S
6.3 inches, 97.4 cm2 (~81.4% screen-to-body ratio)
Resolution
Poco C81x
720 x 1640 pixels (~260 ppi density)
Redmi Note 7S
1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Protection
Poco C81x
-
Redmi Note 7S
Corning Gorilla Glass 5
OS
Poco C81x
Android 15, up to 2 major Android upgrades
Redmi Note 7S
Android 9.0 (Pie), planned upgrade to Android 10, MIUI 12
Chipset
Poco C81x
Unisoc T7250 (12 nm)
Redmi Note 7S
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
Poco C81x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Redmi Note 7S
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
Poco C81x
Mali-G57 MP1
Redmi Note 7S
Adreno 512
Card slot
Poco C81x
microSDXC (dedicated slot)
Redmi Note 7S
microSDXC (uses shared SIM slot)
Internal
Poco C81x
64GB 3GB RAM
Redmi Note 7S
32GB 3GB RAM, 64GB 4GB RAM
Other
Poco C81x
-
Redmi Note 7S
eMMC 5.1
Single
Poco C81x
13 MP, f/2.2, (wide)
Redmi Note 7S
-
Features
Poco C81x
LED flash, HDR
Redmi Note 7S
Dual-LED flash, HDR, panorama
Video
Poco C81x
1080p@30fps
Redmi Note 7S
1080p@30/60/120fps, (gyro-EIS)
Dual
Poco C81x
-
Redmi Note 7S
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF Auxiliary lens
Single
Poco C81x
8 MP, f/2.0, (wide)
Redmi Note 7S
13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Features
Poco C81x
HDR
Redmi Note 7S
HDR
Video
Poco C81x
1080p@30fps
Redmi Note 7S
1080p@30fps
Loudspeaker
Poco C81x
Yes
Redmi Note 7S
Yes
3.5mm jack
Poco C81x
Yes
Redmi Note 7S
Yes
WLAN
Poco C81x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi Note 7S
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Poco C81x
5.2, A2DP, LE
Redmi Note 7S
5.0, A2DP, LE
Positioning
Poco C81x
GPS, GALILEO, GLONASS, QZSS
Redmi Note 7S
GPS, GLONASS, BDS
NFC
Poco C81x
No
Redmi Note 7S
No
Radio
Poco C81x
FM radio
Redmi Note 7S
FM radio, recording
USB
Poco C81x
USB Type-C 2.0, OTG
Redmi Note 7S
USB Type-C 2.0
Infrared port
Poco C81x
-
Redmi Note 7S
Yes
Sensors
Poco C81x
Fingerprint (side-mounted), accelerometer, compass
Redmi Note 7S
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Other
Poco C81x
Virtual proximity sensing
Redmi Note 7S
-
Type
Poco C81x
5200 mAh
Redmi Note 7S
Li-Po 4000 mAh, non-removable
Charging
Poco C81x
15W wired 7.5W reverse wired
Redmi Note 7S
18W wired, QC4
Colors
Poco C81x
Ice Blue, Crystal Black
Redmi Note 7S
Onyx Black, Sapphire Blue, Ruby Red, Astro White
Price
Poco C81x
About 90 EUR
Redmi Note 7S
About 140 EUR
Models
Poco C81x
-
Redmi Note 7S
M1901F71