Screen size
Mi 86.2"
Poco C81xWinner: 6.9"+9.7%
Quick verdict
Mi 8 and Poco C81x are close on the measured specs.
Measured wins
Mi 8
9
spec wins
Ties
3
equal specs
Poco C81x
9
spec wins
Screen size
Technology
Mi 8
GSM / CDMA / HSPA / LTE
Poco C81x
GSM / HSPA / LTE
2G bands
Mi 8
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
Poco C81x
GSM 850 / 900 / 1800 / 1900
3G bands
Mi 8
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Poco C81x
HSDPA 850 / 900 / 2100
4G bands
Mi 8
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 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
5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
Poco C81x
1, 3, 5, 8, 28, 40, 41
Speed
Mi 8
HSPA 42.2/5.76 Mbps, LTE (4CA) Cat16 1024/150 Mbps
Poco C81x
HSPA, LTE
Announced
Mi 8
2018, May. Released 2018, June
Poco C81x
2026, April 23
Status
Mi 8
Discontinued
Poco C81x
Available. Released 2026, April 23
Dimensions
Mi 8
154.9 x 74.8 x 7.6 mm (6.10 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 8
175 g (6.17 oz)
Poco C81x
193 g (6.81 oz)
Build
Mi 8
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame (7000 series)
Poco C81x
-
SIM
Mi 8
Nano-SIM + Nano-SIM
Poco C81x
Nano-SIM + Nano-SIM
Other
Mi 8
-
Poco C81x
Dust and splash resistant
Type
Mi 8
Super AMOLED, HDR10
Poco C81x
IPS LCD, 120Hz, 650 nits (HBM)
Size
Mi 8
6.21 inches, 97.1 cm2 (~83.8% screen-to-body ratio)
Poco C81x
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
Resolution
Mi 8
1080 x 2248 pixels (~402 ppi density)
Poco C81x
720 x 1640 pixels (~260 ppi density)
Protection
Mi 8
Corning Gorilla Glass 5
Poco C81x
-
OS
Mi 8
Android 8.1 (Oreo), upgradable to Android 10, MIUI 12
Poco C81x
Android 15, up to 2 major Android upgrades
Chipset
Mi 8
Qualcomm SDM845 Snapdragon 845 (10 nm)
Poco C81x
Unisoc T7250 (12 nm)
CPU
Mi 8
Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Poco C81x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Mi 8
Adreno 630
Poco C81x
Mali-G57 MP1
Card slot
Mi 8
No
Poco C81x
microSDXC (dedicated slot)
Internal
Mi 8
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM
Poco C81x
64GB 3GB RAM
Other
Mi 8
UFS 2.1
Poco C81x
-
Dual
Mi 8
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS 12 MP, f/2.4, 56mm (telephoto), 1/3.4", 1.0µm, AF, 2x optical zoom
Poco C81x
-
Features
Mi 8
Dual-LED flash, HDR, panorama
Poco C81x
LED flash, HDR
Video
Mi 8
4K@30/60fps, 1080p@30/120/240fps, 720p@960fps
Poco C81x
1080p@30fps
Single
Mi 8
-
Poco C81x
13 MP, f/2.2, (wide)
Single
Mi 8
20 MP, f/2.0, (wide), 1/3", 0.9µm
Poco C81x
8 MP, f/2.0, (wide)
Video
Mi 8
1080p@30fps
Poco C81x
1080p@30fps
Features
Mi 8
-
Poco C81x
HDR
Loudspeaker
Mi 8
Yes
Poco C81x
Yes
3.5mm jack
Mi 8
No
Poco C81x
Yes
WLAN
Mi 8
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 8
5.0, A2DP, LE, aptX HD
Poco C81x
5.2, A2DP, LE
Positioning
Mi 8
GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5)
Poco C81x
GPS, GALILEO, GLONASS, QZSS
NFC
Mi 8
Yes
Poco C81x
No
Radio
Mi 8
No
Poco C81x
FM radio
USB
Mi 8
USB Type-C
Poco C81x
USB Type-C 2.0, OTG
Sensors
Mi 8
Infrared Face ID, fingerprint (rear-mounted), accelerometer, gyro, proximity, barometer, compass
Poco C81x
Fingerprint (side-mounted), accelerometer, compass
Other
Mi 8
-
Poco C81x
Virtual proximity sensing
Type
Mi 8
Li-Po 3400 mAh, non-removable
Poco C81x
5200 mAh
Charging
Mi 8
18W wired, QC4
Poco C81x
15W wired 7.5W reverse wired
Colors
Mi 8
Black, Blue, White, Gold
Poco C81x
Ice Blue, Crystal Black
Models
Mi 8
M1803E1A
Poco C81x
-
SAR
Mi 8
0.70 W/kg (head) 1.66 W/kg (body)
Poco C81x
-
SAR EU
Mi 8
1.01 W/kg (head) 1.32 W/kg (body)
Poco C81x
-
Price
Mi 8
About 430 EUR
Poco C81x
About 90 EUR