Screen size
C176.5"
C51Winner: 6.8"+4.1%
Quick verdict
C51 leads the measured specs 6-4.
Measured wins
C17
4
spec wins
Ties
10
equal specs
C51
6
spec wins
Overall winner
Screen size
Technology
C17
GSM / HSPA / LTE
C51
GSM / HSPA / LTE
2G bands
C17
GSM 850 / 900 / 1800 / 1900
C51
GSM 850 / 900 / 1800 / 1900
3G bands
C17
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
C51
HSDPA 900 / 2100
4G bands
C17
1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 25, 26, 28, 66
Resolution
Refresh rate
Peak brightness
equal specsPixel density
CPU speed
RAM
Storage
equal specsMain camera
equal specsFront camera
equal specsBattery
Wired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
C51
1, 3, 5, 7, 8, 19, 20, 38, 40, 41
Speed
C17
HSPA, LTE
C51
HSPA, LTE
Announced
C17
2025, December
C51
2024, May
Status
C17
Available. Released 2026, January
C51
Available. Released 2024, June
Dimensions
C17
163.6 x 75.9 x 9.3 mm (6.44 x 2.99 x 0.37 in)
C51
168.1 x 78.2 x 9.4 mm (6.62 x 3.08 x 0.37 in)
Weight
C17
198 g (6.98 oz)
C51
205 g (7.23 oz)
SIM
C17
Nano-SIM + Nano-SIM
C51
Nano-SIM
Other
C17
-
C51
Drop resistant up to 0.8m
Type
C17
IPS LCD, 450 nits
C51
IPS LCD, 450 nits
Size
C17
6.52 inches, 102.6 cm2 (~82.7% screen-to-body ratio)
C51
6.8 inches, 111.6 cm2 (~84.9% screen-to-body ratio)
Resolution
C17
540 x 1200 pixels, 20:9 ratio (~202 ppi density)
C51
720 x 1600 pixels, 20:9 ratio (~258 ppi density)
Protection
C17
Sharp glass
C51
Corning Gorilla Glass 5
OS
C17
Android 16
C51
Android 13
Chipset
C17
Unisoc T310 (12 nm)
C51
Unisoc T606 (12 nm)
CPU
C17
Quad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)
C51
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
C17
PowerVR GE8300
C51
Mali-G57 MP1
Card slot
C17
microSDXC (uses shared SIM slot)
C51
microSDXC (dedicated slot)
Internal
C17
128GB 4GB RAM
C51
128GB 6GB RAM
Other
C17
-
C51
UFS
Single
C17
13 MP, f/2.2, (wide), 1/3.06"
C51
13 MP, f/2.2, (wide), 1/3.06", AF
Features
C17
LED flash, HDR, panorama
C51
LED flash, panorama
Video
C17
1080p@30fps
C51
1080p@30fps
Single
C17
5 MP, f/2.2, (wide), 1/5.0"
C51
5 MP, f/2.2, (wide), 1/5"
Video
C17
1080p@30fps
C51
Yes
Loudspeaker
C17
Yes
C51
Yes
3.5mm jack
C17
Yes
C51
Yes
WLAN
C17
Wi-Fi 802.11 a/b/g/n/ac, dual-band
C51
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
C17
5.0, A2DP, LE
C51
5.0, A2DP, LE
Positioning
C17
GPS, GALILEO, GLONASS, BDS
C51
GPS, GALILEO, GLONASS, BDS
NFC
C17
No
C51
No
Radio
C17
FM radio
C51
FM radio
USB
C17
USB Type-C
C51
USB Type-C 2.0, OTG
Sensors
C17
Fingerprint (side-mounted), accelerometer, proximity
C51
Fingerprint (side-mounted), accelerometer, proximity
Type
C17
Li-Po 5000 mAh
C51
Li-Po 5150 mAh
Charging
C17
10W wired
C51
10W wired
Colors
C17
Orange, White, Blue
C51
Gray, Blue, Purple