Screen size
Quick verdict
Poco C81x leads the measured specs 9-8.
Measured wins
Mi Mix 2S
8
spec wins
Ties
4
equal specs
Poco C81x
9
spec wins
Overall winner
Screen size
Technology
Mi Mix 2S
GSM / CDMA / HSPA / EVDO / LTE
Poco C81x
GSM / HSPA / LTE
2G bands
Mi Mix 2S
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
Poco C81x
GSM 850 / 900 / 1800 / 1900
3G bands
Mi Mix 2S
HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 , CDMA2000 1xEV-DO
Poco C81x
HSDPA 850 / 900 / 2100
4G bands
Mi Mix 2S
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 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
equal specs5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
Poco C81x
1, 3, 5, 8, 28, 40, 41
Speed
Mi Mix 2S
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat18 1200/100 Mbps
Poco C81x
HSPA, LTE
Announced
Mi Mix 2S
2018, March. Released 2018, April
Poco C81x
2026, April 23
Status
Mi Mix 2S
Discontinued
Poco C81x
Available. Released 2026, April 23
Dimensions
Mi Mix 2S
150.9 x 74.9 x 8.1 mm (5.94 x 2.95 x 0.32 in)
Poco C81x
171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)
Weight
Mi Mix 2S
191 g (6.74 oz)
Poco C81x
193 g (6.81 oz)
Build
Mi Mix 2S
Glass front (Gorilla Glass 4), ceramic back, aluminum frame
Poco C81x
-
SIM
Mi Mix 2S
Nano-SIM + Nano-SIM
Poco C81x
Nano-SIM + Nano-SIM
Other
Mi Mix 2S
-
Poco C81x
Dust and splash resistant
Type
Mi Mix 2S
IPS LCD
Poco C81x
IPS LCD, 120Hz, 650 nits (HBM)
Size
Mi Mix 2S
5.99 inches, 92.6 cm2 (~81.9% screen-to-body ratio)
Poco C81x
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
Resolution
Mi Mix 2S
1080 x 2160 pixels, 18:9 ratio (~403 ppi density)
Poco C81x
720 x 1640 pixels (~260 ppi density)
Protection
Mi Mix 2S
Corning Gorilla Glass 4
Poco C81x
-
OS
Mi Mix 2S
Android 8.0 (Oreo), upgradable to Android 10, MIUI 12
Poco C81x
Android 15, up to 2 major Android upgrades
Chipset
Mi Mix 2S
Qualcomm SDM845 Snapdragon 845 (10 nm)
Poco C81x
Unisoc T7250 (12 nm)
CPU
Mi Mix 2S
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 Mix 2S
Adreno 630
Poco C81x
Mali-G57 MP1
Card slot
Mi Mix 2S
No
Poco C81x
microSDXC (dedicated slot)
Internal
Mi Mix 2S
64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
Poco C81x
64GB 3GB RAM
Other
Mi Mix 2S
UFS 2.1
Poco C81x
-
Dual
Mi Mix 2S
12 MP, f/1.8, (wide), 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS 12 MP, f/2.4, (telephoto), 1/3.4", 1.0µm, AF, 2x optical zoom
Poco C81x
-
Features
Mi Mix 2S
Dual-LED dual-tone flash, HDR, panorama
Poco C81x
LED flash, HDR
Video
Mi Mix 2S
4K@30fps, 1080p@30/120fps, 720p@240fps
Poco C81x
1080p@30fps
Single
Mi Mix 2S
-
Poco C81x
13 MP, f/2.2, (wide)
Single
Mi Mix 2S
5 MP, f/2.0, (wide), 1/4.0", 1.4µm
Poco C81x
8 MP, f/2.0, (wide)
Video
Mi Mix 2S
1080p@30fps
Poco C81x
1080p@30fps
Features
Mi Mix 2S
-
Poco C81x
HDR
Loudspeaker
Mi Mix 2S
Yes
Poco C81x
Yes
3.5mm jack
Mi Mix 2S
No
Poco C81x
Yes
WLAN
Mi Mix 2S
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Poco C81x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Mi Mix 2S
5.0, A2DP, LE
Poco C81x
5.2, A2DP, LE
Positioning
Mi Mix 2S
GPS, GLONASS, BDS
Poco C81x
GPS, GALILEO, GLONASS, QZSS
NFC
Mi Mix 2S
Yes
Poco C81x
No
Radio
Mi Mix 2S
No
Poco C81x
FM radio
USB
Mi Mix 2S
USB Type-C 2.0
Poco C81x
USB Type-C 2.0, OTG
Sensors
Mi Mix 2S
Fingerprint (rear-mounted), accelerometer, gyro, compass
Poco C81x
Fingerprint (side-mounted), accelerometer, compass
Other
Mi Mix 2S
Virtual proximity sensing
Poco C81x
Virtual proximity sensing
Type
Mi Mix 2S
Li-Ion 3400 mAh, non-removable
Poco C81x
5200 mAh
Charging
Mi Mix 2S
18W wired, QC3 7.5W wireless (Qi)
Poco C81x
15W wired 7.5W reverse wired
Colors
Mi Mix 2S
Black, White
Poco C81x
Ice Blue, Crystal Black
Models
Mi Mix 2S
M1803D5XA
Poco C81x
-
SAR
Mi Mix 2S
0.54 W/kg (head) 1.59 W/kg (body)
Poco C81x
-
Price
Mi Mix 2S
About 270 EUR
Poco C81x
About 90 EUR