Device comparison

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Device A

Spark Go 5G

Tecno · Phones

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Device B

Oukitel · Phones

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Complete comparison

Every available group and stored value, aligned by field.

Differences only

LAUNCH DATE3 fields

Specification	Spark Go 5G	C66
Announced	2025, August 14	22 December 2025 (official Oukitel store listing)
Released	2025, August 21	22 December 2025
Status	Available. Released 2025, August 21	Available

NETWORK7 fields

BODY5 fields

Specification	Spark Go 5G	C66
Build	Glass front, plastic back, plastic frame	Glass front (Panda glass)
Dimensions	167.7 x 77.7 x 8 mm (6.60 x 3.06 x 0.31 in)	164.5 x 78 x 8.7 mm
IP Rating	IP64 Dust Tight and Water Resistant (water splashes)	—
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM (or Nano-SIM + microSD)
Weight	194 g (6.84 oz)	195 g

DISPLAY7 fields

Specification	Spark Go 5G	C66
Brightness	700 nits (peak)	450 nits
Protection	—	Panda glass
Refresh Rate	120Hz	120Hz
Resolution	720 x 1600 pixels, 20:9 ratio (~260 ppi density)	720 x 1560 pixels (~255 ppi density)
Screen-to-body	~84.2%	—
Size	6.74 inches, 109.7 cm2 (~84.2% screen-to-body ratio)	6.73 inches
Type	IPS LCD, 120Hz	HD+ display, 120Hz, 450 nits

PLATFORM4 fields

Specification	Spark Go 5G	C66
CPU	Octa-core (2x2.5 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)	Octa-core (2x 1.8 GHz Cortex-A75 + 6x 1.6 GHz Cortex-A55)
Chipset	Mediatek Dimensity 6400 (6 nm)	Unisoc T615 (12 nm)
GPU	Mali-G57 MC2	Mali-G57 (1 core @ 850 MHz)
OS	Android 15, HIOS 15	Android 16 (OTA supported)

MEMORY5 fields

Specification	Spark Go 5G	C66
Card slot	microSDXC (dedicated slot)	microSD, up to 1TB (uses SIM 2 slot)
Internal	128GB	128GB / 256GB / 512GB
RAM	4GB RAM	4GB / 8GB; virtual RAM expansion up to 16GB (4+12) / 24GB (8+16)
Storage Type	—	uMCP
Storage/RAM variants	128GB; 4GB RAM	8GB+512GB (Oukitel store); 4GB+128GB (Jumia Nigeria); spec sheet lists 4GB/8GB RAM and 128GB/256GB/512GB storage

MAIN CAMERA3 fields

Specification	Spark Go 5G	C66
Features	Dual-LED flash	LED flash, HDR, panorama, portrait, beauty, AI
MAIN CAMERA	50 MP	64 MP, f/1.8, 1/2" (OmniVision OV64B40), 80.3° FoV, AF \| 0.08 MP, 1/10" (GC6133), depth
Video	1440p@30fps, 1080p@30fps	1080p@30fps

SELFIE CAMERA3 fields

SOUND2 fields

Specification	Spark Go 5G	C66
3.5mm jack	Yes	No (headphones via USB Type-C)
Loudspeaker	Yes	Yes, with audio amplifier

COMMUNICATION6 fields

FEATURES2 fields

Specification	Spark Go 5G	C66
Other features	—	0.8 m drop resistance (16 drops); operating temperature -20°C to +55°C; protective case in box
Sensors	Fingerprint (side-mounted); unspecified sensors	Side-mounted fingerprint, accelerometer (G-sensor), compass, ambient light (no proximity sensor listed)

BATTERY3 fields

Specification	Spark Go 5G	C66
Capacity	6000 mAh	5000 mAh
Charging Type	18W wired	18W wired (50% in 40 min, 80% in 65 min, 100% in 123 min); reverse charging
Type	Li-Po 6000 mAh	Li-Po (polymer) 5000 mAh

ADDITIONAL INFORMATION5 fields

Specification	Spark Go 5G	C66
Colors	Sky Blue, Ink Black, Turquoise Green	Orange; Black; Grey; Gold; Purple
Compatibility	—	4G-only (no 5G); no FM radio; no LTE band 13/71; hybrid SIM/microSD slot; Android 16 at launch
Launch Price (USD)	$110.00 (reference only — see Price in Nigeria above for the actual retail price)	—
Models	KM8	C66
Price in Nigeria	₦160,000	₦165,600

TESTS2 fields

Specification	Spark Go 5G	C66
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	Spark Go 5G	C66
Security	Biometric security: Fingerprint (side-mounted).	Side-mounted fingerprint; face unlock