Two devices. One clear decision.

LAUNCH DATE3 fields

Specification	C66	Poco C81x
Announced	22 December 2025 (official Oukitel store listing)	2026, April 23
Released	22 December 2025	2026, April 23
Status	Available	Available

NETWORK7 fields

Specification	C66	Poco C81x
2G Bands	GSM B2 / B3 / B5 / B8	GSM 850 / 900 / 1800 / 1900
3G Bands	WCDMA B1 / B2 / B4 / B5 / B8	HSDPA 850 / 900 / 2100
4G LTE	FDD 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28AB, 66; TDD 34, 38, 39, 40, 41	1, 3, 5, 8, 28, 40, 41
5G	No	No
EDGE/GPRS	Yes	—
Speed	HSPA, LTE	LTE
Technology	GSM / HSPA / LTE	2G / 3G / 4G

BODY5 fields

Specification	C66	Poco C81x
Build	Glass front (Panda glass)	Glass front, plastic back, plastic frame
Dimensions	164.5 x 78 x 8.7 mm	171.79 x 77.8 x 8.26 mm
IP Rating	—	IP52
SIM	Nano-SIM + Nano-SIM (or Nano-SIM + microSD)	Dual Nano-SIM
Weight	195 g	193 g

DISPLAY7 fields

Specification	C66	Poco C81x
Brightness	450 nits	650 nits HBM
Protection	Panda glass	—
Refresh Rate	120Hz	120Hz
Resolution	720 x 1560 pixels (~255 ppi density)	720 x 1640 pixels
Screen-to-body	—	~84.1%
Size	6.73 inches	6.88 inches
Type	HD+ display, 120Hz, 450 nits	IPS LCD, 120Hz, 650 nits (HBM)

PLATFORM4 fields

Specification	C66	Poco C81x
CPU	Octa-core (2x 1.8 GHz Cortex-A75 + 6x 1.6 GHz Cortex-A55)	Octa-core, up to 1.8GHz
Chipset	Unisoc T615 (12 nm)	Unisoc T7250
GPU	Mali-G57 (1 core @ 850 MHz)	Mali-G57, 850MHz
OS	Android 16 (OTA supported)	Android 15

MEMORY5 fields

Specification	C66	Poco C81x
Card slot	microSD, up to 1TB (uses SIM 2 slot)	Dedicated memory card slot; up to 2 TB
Internal	128GB / 256GB / 512GB	64 GB
RAM	4GB / 8GB; virtual RAM expansion up to 16GB (4+12) / 24GB (8+16)	3 GB
Storage Type	uMCP	—
Storage/RAM variants	8GB+512GB (Oukitel store); 4GB+128GB (Jumia Nigeria); spec sheet lists 4GB/8GB RAM and 128GB/256GB/512GB storage	64 GB; 3 GB RAM

MAIN CAMERA3 fields

Specification	C66	Poco C81x
Features	LED flash, HDR, panorama, portrait, beauty, AI	LED Flash, HDR
MAIN CAMERA	64 MP, f/1.8, 1/2" (OmniVision OV64B40), 80.3° FoV, AF | 0.08 MP, 1/10" (GC6133), depth	13 MP
Video	1080p@30fps	1080p@30fps

SELFIE CAMERA3 fields

Specification	C66	Poco C81x
Features	Beauty mode	HDR
Selfie camera	8 MP, f/2.0, 1/4" (Sony IMX219), 77.5° FoV, fixed focus	8 MP
Video	720p@30fps	1080p@30fps

SOUND2 fields

Specification	C66	Poco C81x
3.5mm jack	No (headphones via USB Type-C)	Yes
Loudspeaker	Yes, with audio amplifier	Yes

COMMUNICATION6 fields

Specification	C66	Poco C81x
Bluetooth	5.2	5.2
NFC	Yes	No
Positioning	GPS, GLONASS, BeiDou, Galileo	GPS; Galileo; GLONASS; QZSS
Radio	No	FM radio
USB	USB Type-C, OTG	USB-C
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band 2.4G + 5G	Wi-Fi 5

FEATURES2 fields

Specification	C66	Poco C81x
Other features	0.8 m drop resistance (16 drops); operating temperature -20°C to +55°C; protective case in box	—
Sensors	Side-mounted fingerprint, accelerometer (G-sensor), compass, ambient light (no proximity sensor listed)	Fingerprint (side-mounted), accelerometer, compass

BATTERY3 fields

Specification	C66	Poco C81x
Capacity	5000 mAh	5200mAh
Charging Type	18W wired (50% in 40 min, 80% in 65 min, 100% in 123 min); reverse charging	15W Wired
Type	Li-Po (polymer) 5000 mAh	Non-removable Li-Ion Battery

ADDITIONAL INFORMATION4 fields

Specification	C66	Poco C81x
Colors	Orange; Black; Grey; Gold; Purple	Ice Blue, Crystal Black
Compatibility	4G-only (no 5G); no FM radio; no LTE band 13/71; hybrid SIM/microSD slot; Android 16 at launch	India
Models	C66	MZB0O3FIN
Price in Nigeria	₦165,600	₦160,000

TESTS2 fields

Specification	C66	Poco C81x
Battery Endurance	Video 8 h, calling 35 h, music 24 h, gaming 8 h, standby 830 h (Oukitel manufacturer figures)	—
Performance	AnTuTu 10: 267,410 (Oukitel manufacturer figure)	—

SECURITY1 field

Specification	C66	Poco C81x
Security	Side-mounted fingerprint; face unlock	Fingerprint sensor