Screen size
BT1031.9"
C59Winner: 6.9"+72%
Quick verdict
C59 leads the measured specs 14-3.
Measured wins
BT103
3
spec wins
Ties
2
equal specs
C59
14
spec wins
Overall winner
Screen size
Technology
BT103
No cellular connectivity
C59
GSM / HSPA / LTE
2G bands
BT103
N/A
C59
GSM 850 / 900 / 1800 / 1900
3G bands
BT103
N/A
C59
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
BT103
N/A
C59
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
Speed
BT103
No
C59
HSPA, LTE
GPRS
BT103
No
C59
-
EDGE
BT103
No
C59
-
Announced
BT103
2024, June
C59
2025, April
Status
BT103
Available. Released 2024, June
C59
Available. Released 2025, May 05
Dimensions
BT103
49.5 x 40 x 10.9 mm (1.95 x 1.57 x 0.43 in)
C59
171.2 x 77.8 x 13.4 mm (6.74 x 3.06 x 0.53 in)
Weight
BT103
100 g (3.53 oz)
C59
293 g (10.34 oz)
SIM
BT103
No
C59
Nano-SIM + Nano-SIM
Type
BT103
TFT LCD
C59
IPS LCD, 90Hz, 450 nits
Size
BT103
1.91 inches
C59
6.88 inches, 112.4 cm2 (~84.4% screen-to-body ratio)
Resolution
BT103
320 x 380 pixels (~260 ppi density)
C59
720 x 1640 pixels (~260 ppi density)
Protection
BT103
Tempered glass
C59
HKC Glass, Mohs level 5
OS
BT103
Proprietary OS
C59
Android 15
Chipset
BT103
-
C59
Unisoc T606 (12 nm)
CPU
BT103
-
C59
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
BT103
-
C59
Mali-G57 MP1
Card slot
BT103
No
C59
microSDXC (uses shared SIM slot)
Internal
BT103
-
C59
256GB 8GB RAM
Other
BT103
No
C59
-
Loudspeaker
BT103
No
C59
Yes
3.5mm jack
BT103
No
C59
Yes
WLAN
BT103
No
C59
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
BT103
5.2
C59
5.0, A2DP, LE
Positioning
BT103
No
C59
GPS, GALILEO, GLONASS, BDS
NFC
BT103
No
C59
Yes
Radio
BT103
No
C59
FM radio
USB
BT103
No
C59
USB Type-C, OTG
Sensors
BT103
Accelerometer, heart rate, SpO2
C59
Fingerprint (side-mounted), accelerometer, compass
Type
BT103
300 mAh
C59
Li-Po 10000 mAh
Charging
BT103
-
C59
18W wired
Colors
BT103
Black, White
C59
Green, Purple, Blue, Grey
Single
BT103
-
C59
13 MP, f/2.2, (wide), 1/3.06", AF
Features
BT103
-
C59
LED flash, HDR, panorama
Video
BT103
-
C59
1080p@30fps
Single
BT103
-
C59
5 MP, f/2.2, (wide), 1/5.0"
Video
BT103
-
C59
720p@30fps