Screen size
BT501.4"
C17Winner: 6.5"+78%
Quick verdict
C17 leads the measured specs 13-5.
Measured wins
BT50
5
spec wins
Ties
2
equal specs
C17
13
spec wins
Overall winner
Screen size
Technology
BT50
No cellular connectivity
C17
GSM / HSPA / LTE
2G bands
BT50
N/A
C17
GSM 850 / 900 / 1800 / 1900
3G bands
BT50
N/A
C17
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
BT50
N/A
C17
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
SD card
Stereo speakers
1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 25, 26, 28, 66
Speed
BT50
No
C17
HSPA, LTE
GPRS
BT50
No
C17
-
EDGE
BT50
No
C17
-
Announced
BT50
2024, January 15
C17
2025, December
Status
BT50
Available. Released 2024, January
C17
Available. Released 2026, January
Dimensions
BT50
51.2 x 51.2 x 13 mm (2.02 x 2.02 x 0.51 in)
C17
163.6 x 75.9 x 9.3 mm (6.44 x 2.99 x 0.37 in)
Weight
BT50
76 g (2.68 oz)
C17
198 g (6.98 oz)
SIM
BT50
No
C17
Nano-SIM + Nano-SIM
Other
BT50
IP68 dust tight and water resistant (1ATM)
C17
-
Type
BT50
AMOLED, 600 nits
C17
IPS LCD, 450 nits
Size
BT50
1.43 inches
C17
6.52 inches, 102.6 cm2 (~82.7% screen-to-body ratio)
Resolution
BT50
466 x 466 pixels (~326 ppi density)
C17
540 x 1200 pixels, 20:9 ratio (~202 ppi density)
Protection
BT50
-
C17
Sharp glass
OS
BT50
Proprietary OS
C17
Android 16
Chipset
BT50
-
C17
Unisoc T310 (12 nm)
CPU
BT50
-
C17
Quad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)
GPU
BT50
-
C17
PowerVR GE8300
Card slot
BT50
No
C17
microSDXC (uses shared SIM slot)
Internal
BT50
-
C17
128GB 4GB RAM
Other
BT50
No
C17
-
Loudspeaker
BT50
Yes
C17
Yes
3.5mm jack
BT50
No
C17
Yes
WLAN
BT50
No
C17
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
BT50
5.2
C17
5.0, A2DP, LE
Positioning
BT50
No
C17
GPS, GALILEO, GLONASS, BDS
NFC
BT50
No
C17
No
Radio
BT50
No
C17
FM radio
USB
BT50
No
C17
USB Type-C
Sensors
BT50
Accelerometer, heart rate, SpO2
C17
Fingerprint (side-mounted), accelerometer, proximity
Type
BT50
Li-Po 400 mAh
C17
Li-Po 5000 mAh
Charging
BT50
-
C17
10W wired
Colors
BT50
Silver, Gray
C17
Orange, White, Blue
Price
BT50
About 100 EUR
C17
-
Single
BT50
-
C17
13 MP, f/2.2, (wide), 1/3.06"
Features
BT50
-
C17
LED flash, HDR, panorama
Video
BT50
-
C17
1080p@30fps
Single
BT50
-
C17
5 MP, f/2.2, (wide), 1/5.0"
Video
BT50
-
C17
1080p@30fps