Screen size
Black Shark6.0"
Poco C81xWinner: 6.9"+13%
Quick verdict
Poco C81x leads the measured specs 9-8.
Measured wins
Black Shark
8
spec wins
Ties
5
equal specs
Poco C81x
9
spec wins
Overall winner
Screen size
Technology
Black Shark
GSM / CDMA / HSPA / EVDO / LTE
Poco C81x
GSM / HSPA / LTE
2G bands
Black Shark
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
Poco C81x
GSM 850 / 900 / 1800 / 1900
3G bands
Black Shark
HSDPA 850 / 900 / 1900 / 2100 , CDMA2000 1xEV-DO
Poco C81x
HSDPA 850 / 900 / 2100
4G bands
Black Shark
1, 3, 4, 5, 7, 8, 12, 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
equal specs3.5mm jack
SD card
Stereo speakers
Poco C81x
1, 3, 5, 8, 28, 40, 41
Speed
Black Shark
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat16 1024/150 Mbps
Poco C81x
HSPA, LTE
Announced
Black Shark
2018, April. Released 2018, April
Poco C81x
2026, April 23
Status
Black Shark
Discontinued
Poco C81x
Available. Released 2026, April 23
Dimensions
Black Shark
161.6 x 75.4 x 9.3 mm (6.36 x 2.97 x 0.37 in)
Poco C81x
171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)
Weight
Black Shark
190 g (6.70 oz)
Poco C81x
193 g (6.81 oz)
Build
Black Shark
Glass front, aluminum back, aluminum frame
Poco C81x
-
SIM
Black Shark
Nano-SIM + Nano-SIM
Poco C81x
Nano-SIM + Nano-SIM
Other
Black Shark
-
Poco C81x
Dust and splash resistant
Type
Black Shark
IPS LCD
Poco C81x
IPS LCD, 120Hz, 650 nits (HBM)
Size
Black Shark
5.99 inches, 92.6 cm2 (~76.0% screen-to-body ratio)
Poco C81x
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
Resolution
Black Shark
1080 x 2160 pixels, 18:9 ratio (~403 ppi density)
Poco C81x
720 x 1640 pixels (~260 ppi density)
OS
Black Shark
Android 8.0 (Oreo)
Poco C81x
Android 15, up to 2 major Android upgrades
Chipset
Black Shark
Qualcomm SDM845 Snapdragon 845 (10 nm)
Poco C81x
Unisoc T7250 (12 nm)
CPU
Black Shark
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
Black Shark
Adreno 630
Poco C81x
Mali-G57 MP1
Card slot
Black Shark
No
Poco C81x
microSDXC (dedicated slot)
Internal
Black Shark
64GB 6GB RAM, 128GB 8GB RAM
Poco C81x
64GB 3GB RAM
Other
Black Shark
UFS 2.1
Poco C81x
-
Dual
Black Shark
12 MP, f/1.8, 1/2.9", 1.25µm, dual pixel PDAF 20 MP, f/1.8, 1.0µm, AF, 2x optical zoom
Poco C81x
-
Features
Black Shark
Dual-LED dual-tone flash, HDR, panorama
Poco C81x
LED flash, HDR
Video
Black Shark
4K@30fps, 1080p@30fps, 720p@120fps
Poco C81x
1080p@30fps
Single
Black Shark
-
Poco C81x
13 MP, f/2.2, (wide)
Single
Black Shark
20 MP, f/2.2, (wide), 1/2.8", 1.0µm
Poco C81x
8 MP, f/2.0, (wide)
Video
Black Shark
1080p@30fps
Poco C81x
1080p@30fps
Features
Black Shark
-
Poco C81x
HDR
Loudspeaker
Black Shark
Yes, with stereo speakers
Poco C81x
Yes
3.5mm jack
Black Shark
No
Poco C81x
Yes
WLAN
Black Shark
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
Black Shark
5.0, A2DP, aptX HD, LE
Poco C81x
5.2, A2DP, LE
Positioning
Black Shark
GPS, GLONASS, BDS
Poco C81x
GPS, GALILEO, GLONASS, QZSS
NFC
Black Shark
No
Poco C81x
No
Radio
Black Shark
No
Poco C81x
FM radio
USB
Black Shark
USB Type-C 2.0
Poco C81x
USB Type-C 2.0, OTG
Sensors
Black Shark
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Poco C81x
Fingerprint (side-mounted), accelerometer, compass
Other
Black Shark
-
Poco C81x
Virtual proximity sensing
Type
Black Shark
Li-Ion 4000 mAh, non-removable
Poco C81x
5200 mAh
Charging
Black Shark
18W wired, QC3
Poco C81x
15W wired 7.5W reverse wired
Colors
Black Shark
Black, Gray, Royal Blue
Poco C81x
Ice Blue, Crystal Black
Models
Black Shark
SKR-H0, SKR-A0, SHARK KSR-H0
Poco C81x
-
Price
Black Shark
About 400 EUR
Poco C81x
About 90 EUR