Screen size
50b Cobalt5.0"
55b CobaltWinner: 5.5"+9.1%
Quick verdict
50b Cobalt and 55b Cobalt are close on the measured specs.
Measured wins
50b Cobalt
2
spec wins
Ties
13
equal specs
55b Cobalt
2
spec wins
Screen size
Technology
50b Cobalt
GSM / HSPA / LTE
55b Cobalt
GSM / HSPA / LTE
2G bands
50b Cobalt
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
55b Cobalt
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
50b Cobalt
HSDPA 900 / 2100
55b Cobalt
HSDPA 900 / 2100
4G bands
50b Cobalt
LTE 800 / 1800 / 2100 / 2600
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
equal specsMain camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
55b Cobalt
LTE 800 / 1800 / 2100 / 2600
Speed
50b Cobalt
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
55b Cobalt
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Announced
50b Cobalt
2017, January. Released 2017, January
55b Cobalt
2017, January. Released 2017, January
Status
50b Cobalt
Discontinued
55b Cobalt
Discontinued
Dimensions
50b Cobalt
144 x 72 x 0 mm (5.67 x 2.83 x 0.0 in)
55b Cobalt
155 x 79 x 0 mm (6.10 x 3.11 x 0.0 in)
Weight
50b Cobalt
160 g (5.64 oz)
55b Cobalt
188 g (6.63 oz)
SIM
50b Cobalt
Dual SIM (Mini-SIM, dual stand-by)
55b Cobalt
Dual SIM (Mini-SIM, dual stand-by)
Type
50b Cobalt
IPS LCD
55b Cobalt
IPS LCD
Size
50b Cobalt
5.0 inches, 68.9 cm2 (~66.5% screen-to-body ratio)
55b Cobalt
5.5 inches, 83.4 cm2 (~68.1% screen-to-body ratio)
Resolution
50b Cobalt
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
55b Cobalt
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
OS
50b Cobalt
Android 6.0 (Marshmallow)
55b Cobalt
Android 6.0 (Marshmallow)
Chipset
50b Cobalt
Qualcomm MSM8909 Snapdragon 210 (28 nm)
55b Cobalt
Qualcomm MSM8909 Snapdragon 210 (28 nm)
CPU
50b Cobalt
Quad-core 1.1 GHz
55b Cobalt
Quad-core 1.1 GHz
GPU
50b Cobalt
Adreno 304
55b Cobalt
Adreno 304
Card slot
50b Cobalt
microSDXC
55b Cobalt
microSDXC
Internal
50b Cobalt
16GB 1GB RAM, 32GB 2GB RAM
55b Cobalt
16GB 1GB RAM, 32GB 2GB RAM
Other
50b Cobalt
eMMC 4.5
55b Cobalt
eMMC 4.5
Single
50b Cobalt
13 MP, AF
55b Cobalt
13 MP, AF
Features
50b Cobalt
LED flash, HDR, panorama
55b Cobalt
LED flash, HDR, panorama
Video
50b Cobalt
720p@30fps
55b Cobalt
720p@30fps
Single
50b Cobalt
2 MP
55b Cobalt
2 MP
Video
50b Cobalt
55b Cobalt
Loudspeaker
50b Cobalt
Yes
55b Cobalt
Yes
3.5mm jack
50b Cobalt
Yes
55b Cobalt
Yes
WLAN
50b Cobalt
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
55b Cobalt
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
50b Cobalt
4.0, A2DP
55b Cobalt
4.0, A2DP
Positioning
50b Cobalt
GPS
55b Cobalt
GPS
NFC
50b Cobalt
No
55b Cobalt
No
Radio
50b Cobalt
FM radio
55b Cobalt
FM radio
USB
50b Cobalt
microUSB 2.0
55b Cobalt
microUSB 2.0
Sensors
50b Cobalt
Fingerprint (rear-mounted), accelerometer, proximity
55b Cobalt
Fingerprint (rear-mounted), accelerometer, proximity
Type
50b Cobalt
Li-Ion 2100 mAh, removable
55b Cobalt
Li-Ion 2600 mAh, removable
Colors
50b Cobalt
Gray
55b Cobalt
Gray
SAR EU
50b Cobalt
0.35 W/kg (head) 1.62 W/kg (body)
55b Cobalt
0.98 W/kg (head) 1.76 W/kg (body)