Xiaomi Mi 9 vs Xiaomi Poco C81x: Which is better?

Screen size

Mi 96.4"

Poco C81x6.9"+7.1%

Technology

Mi 9

GSM / CDMA / HSPA / LTE

Poco C81x

GSM / HSPA / LTE

2G bands

Mi 9

GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA

Poco C81x

GSM 850 / 900 / 1800 / 1900

3G bands

Mi 9

HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100

Poco C81x

HSDPA 850 / 900 / 2100

4G bands

Mi 9

1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 38, 39, 40 - Global, 1, 2, 3, 4, 5, 7, 8, 12, 17, 34, 38, 39, 40, 41 - China

Resolution

Mi 91080 × 2340 px+53%

Poco C81x720 × 1,640 px

Refresh rate

Mi 9—

Poco C81x120 Hz

Peak brightness

Mi 9—

Poco C81x650 nits

Pixel density

Mi 9403 ppi+35%

Poco C81x260 ppi

CPU speed

Mi 9Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)+37%

Poco C81xOcta-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)

RAM

Mi 96.0 GB+50%

Poco C81x3.0 GB

Storage

equal specs

Mi 964 GB

Poco C81x64 GB

Main camera

Mi 948.0 MP+73%

Poco C81x13.0 MP

Front camera

Mi 920.0 MP+60%

Poco C81x8.0 MP

Battery

Mi 93,300 mAh

Poco C81x5,200 mAh+37%

Wired charging

Mi 927 W+44%

Poco C81x15 W

Weight

Mi 9173 g+12%

Poco C81x193 g

Thickness

Mi 97.6 mm+9.2%

Poco C81x8.3 mm

IP rating

Mi 9Glass front (Gorilla Glass 6), glass back (Gorilla Glass 5), aluminum frame

Poco C81x—

Wi‑Fi

Mi 9Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA

Poco C81xwifi 5

Bluetooth

equal specs

Mi 95.0, A2DP, LE, aptX HD

Poco C81x5

USB

equal specs

Mi 9USB Type-C 2.0, OTG

Poco C81x2.0

5G support

equal specs

Mi 9No

Poco C81xNo

NFC

Mi 9Yes+100%

Poco C81xNo

3.5mm jack

Mi 9No

Poco C81xYes+100%

SD card

Mi 9No

Poco C81xYes+100%

Stereo speakers

Mi 9—

Poco C81x—

Speed

Mi 9

HSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/150 Mbps

Poco C81x

HSPA, LTE

Announced

Mi 9

2019, February 20. Released 2019, March 25

Poco C81x

2026, April 23

Status

Mi 9

Discontinued

Poco C81x

Available. Released 2026, April 23

Dimensions

Mi 9

157.5 x 74.7 x 7.6 mm (6.20 x 2.94 x 0.30 in)

Poco C81x

171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)

Weight

Mi 9

173 g (6.10 oz)

Poco C81x

193 g (6.81 oz)

Build

Mi 9

Glass front (Gorilla Glass 6), glass back (Gorilla Glass 5), aluminum frame

Poco C81x

SIM

Mi 9

Nano-SIM + Nano-SIM

Poco C81x

Nano-SIM + Nano-SIM

Other

Mi 9

Poco C81x

Dust and splash resistant

Type

Mi 9

Super AMOLED, HDR10

Poco C81x

IPS LCD, 120Hz, 650 nits (HBM)

Size

Mi 9

6.39 inches, 100.2 cm2 (~85.2% screen-to-body ratio)

Poco C81x

6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)

Resolution

Mi 9

1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)

Poco C81x

720 x 1640 pixels (~260 ppi density)

Protection

Mi 9

Corning Gorilla Glass 6

Poco C81x

Mi 9

Android 9.0 (Pie), upgradable to Android 10, MIUI 12.5

Poco C81x

Android 15, up to 2 major Android upgrades

Chipset

Mi 9

Qualcomm SM8150 Snapdragon 855 (7 nm)

Poco C81x

Unisoc T7250 (12 nm)

CPU

Mi 9

Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)

Poco C81x

Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)

GPU

Mi 9

Adreno 640

Poco C81x

Mali-G57 MP1

Card slot

Mi 9

Poco C81x

microSDXC (dedicated slot)

Internal

Mi 9

64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM

Poco C81x

64GB 3GB RAM

Other

Mi 9

UFS 2.1

Poco C81x

Triple

Mi 9

48 MP, f/1.8, 27mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 54mm (telephoto), 1/3.6", 1.0µm, PDAF, 2x optical zoom 16 MP, f/2.2, 13mm (ultrawide), 1/3.0", 1.0µm, PDAF

Poco C81x

Features

Mi 9

Laser AF, Dual-LED flash, HDR, panorama

Poco C81x

LED flash, HDR

Video

Mi 9

4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps

Poco C81x

1080p@30fps

Single

Mi 9

Poco C81x

13 MP, f/2.2, (wide)

Single

Mi 9

20 MP, f/2.0, (wide), 1/3", 0.9µm

Poco C81x

8 MP, f/2.0, (wide)

Features

Mi 9

HDR

Poco C81x

HDR

Video

Mi 9

1080p@30fps

Poco C81x

1080p@30fps

Loudspeaker

Mi 9

Yes

Poco C81x

Yes

3.5mm jack

Mi 9

Poco C81x

Yes

WLAN

Mi 9

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA

Poco C81x

Wi-Fi 802.11 a/b/g/n/ac, dual-band

Bluetooth

Mi 9

5.0, A2DP, LE, aptX HD

Poco C81x

5.2, A2DP, LE

Positioning

Mi 9

GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5)

Poco C81x

GPS, GALILEO, GLONASS, QZSS

NFC

Mi 9

Yes

Poco C81x

Infrared port

Mi 9

Yes

Poco C81x

Radio

Mi 9

Poco C81x

FM radio

USB

Mi 9

USB Type-C 2.0, OTG

Poco C81x

USB Type-C 2.0, OTG

Sensors

Mi 9

Fingerprint (under display, optical), accelerometer, gyro, compass

Poco C81x

Fingerprint (side-mounted), accelerometer, compass

Other

Mi 9

Virtual proximity sensing

Poco C81x

Virtual proximity sensing

Type

Mi 9

Li-Po 3300 mAh, non-removable

Poco C81x

5200 mAh

Charging

Mi 9

27W wired, QC4 20W wireless

Poco C81x

15W wired 7.5W reverse wired

Colors

Mi 9

Lavender Violet, Ocean Blue, Piano Black

Poco C81x

Ice Blue, Crystal Black

Models

Mi 9

M1902F1G

Poco C81x

SAR

Mi 9

0.99 W/kg (head) 1.04 W/kg (body)

Poco C81x

SAR EU

Mi 9

1.39 W/kg (head) 1.30 W/kg (body)

Poco C81x

Price

Mi 9

About 590 EUR

Poco C81x

About 90 EUR

Mi 9 vs Poco C81x

Which is better?

Choose Mi 9 for

Choose Poco C81x for

Biggest differences

Mi 9

Poco C81x

Head-to-head comparison

Display

Specifications Comparison

Network

Performance

Cameras

Battery

Build

Connectivity

Display

Performance

Cameras

Battery

Build

Connectivity

Launch

Body

Display

Platform

Memory

Main Camera

Selfie camera

Sound

Comms

Features

Battery

Misc