Screen size
BT501.4"
C61Winner: 6.9"+79%
Quick verdict
C61 leads the measured specs 13-5.
Measured wins
BT50
5
spec wins
Ties
2
equal specs
C61
13
spec wins
Overall winner
Screen size
Technology
BT50
No cellular connectivity
C61
GSM / HSPA / LTE
2G bands
BT50
N/A
C61
GSM 850 / 900 / 1800 / 1900
3G bands
BT50
N/A
C61
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
BT50
N/A
C61
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
3.5mm jack
equal specsSD 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
BT50
No
C61
HSPA, LTE
GPRS
BT50
No
C61
-
EDGE
BT50
No
C61
-
Announced
BT50
2024, January 15
C61
2025, March
Status
BT50
Available. Released 2024, January
C61
Available. Released 2025, May
Dimensions
BT50
51.2 x 51.2 x 13 mm (2.02 x 2.02 x 0.51 in)
C61
170.7 x 79.6 x 9.5 mm (6.72 x 3.13 x 0.37 in)
Weight
BT50
76 g (2.68 oz)
C61
216 g (7.62 oz)
SIM
BT50
No
C61
Nano-SIM + Nano-SIM
Other
BT50
IP68 dust tight and water resistant (1ATM)
C61
-
Type
BT50
AMOLED, 600 nits
C61
IPS LCD, 90Hz, 450 nits
Size
BT50
1.43 inches
C61
6.88 inches, 112.4 cm2 (~82.7% screen-to-body ratio)
Resolution
BT50
466 x 466 pixels (~326 ppi density)
C61
720 x 1640 pixels (~260 ppi density)
Protection
BT50
-
C61
Corning Gorilla Glass, Mohs level 5
OS
BT50
Proprietary OS
C61
Android 15
Chipset
BT50
-
C61
Unisoc T615 (12 nm)
CPU
BT50
-
C61
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
BT50
-
C61
Mali-G57 MP1
Card slot
BT50
No
C61
microSDXC (uses shared SIM slot)
Internal
BT50
-
C61
128GB 4GB RAM
Other
BT50
No
C61
-
Loudspeaker
BT50
Yes
C61
Yes
3.5mm jack
BT50
No
C61
No
WLAN
BT50
No
C61
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
BT50
5.2
C61
5.0, A2DP, LE
Positioning
BT50
No
C61
GPS, GALILEO, GLONASS, BDS
NFC
BT50
No
C61
Yes
Radio
BT50
No
C61
FM radio
USB
BT50
No
C61
USB Type-C
Sensors
BT50
Accelerometer, heart rate, SpO2
C61
Fingerprint (side-mounted), accelerometer, compass
Type
BT50
Li-Po 400 mAh
C61
Li-Po 5150 mAh
Charging
BT50
-
C61
10W wired
Colors
BT50
Silver, Gray
C61
Gold, Purple, Blue, Black
Price
BT50
About 100 EUR
C61
$ 114.99 / £ 81.99
Single
BT50
-
C61
13 MP, f/2.2, (wide), 1/3.06", AF
Features
BT50
-
C61
LED flash, HDR, panorama
Video
BT50
-
C61
1080p@30fps
Single
BT50
-
C61
5 MP, f/2.2, (wide), 1/5.0"
Video
BT50
-
C61
720p@30fps