Screen size
equal specs50 Cobalt5.0"
50b Cobalt5.0"
Quick verdict
50b Cobalt leads the measured specs 5-1.
Measured wins
50 Cobalt
1
spec wins
Ties
11
equal specs
50b Cobalt
5
spec wins
Overall winner
Screen size
equal specsTechnology
50 Cobalt
GSM / HSPA / LTE
50b Cobalt
GSM / HSPA / LTE
2G bands
50 Cobalt
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
50b Cobalt
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
50 Cobalt
HSDPA 900 / 2100
50b Cobalt
HSDPA 900 / 2100
4G bands
50 Cobalt
1, 7, 9, 20
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
equal specsStorage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
50b Cobalt
LTE 800 / 1800 / 2100 / 2600
Speed
50 Cobalt
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
50b Cobalt
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Announced
50 Cobalt
2016, January. Released 2016, March
50b Cobalt
2017, January. Released 2017, January
Status
50 Cobalt
Discontinued
50b Cobalt
Discontinued
Dimensions
50 Cobalt
141.5 x 71.5 x 9.2 mm (5.57 x 2.81 x 0.36 in)
50b Cobalt
144 x 72 x 0 mm (5.67 x 2.83 x 0.0 in)
Weight
50 Cobalt
135 g (4.76 oz)
50b Cobalt
160 g (5.64 oz)
SIM
50 Cobalt
Dual SIM (Micro-SIM, dual stand-by)
50b Cobalt
Dual SIM (Mini-SIM, dual stand-by)
Type
50 Cobalt
IPS LCD
50b Cobalt
IPS LCD
Size
50 Cobalt
5.0 inches, 68.9 cm2 (~68.1% screen-to-body ratio)
50b Cobalt
5.0 inches, 68.9 cm2 (~66.5% screen-to-body ratio)
Resolution
50 Cobalt
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
50b Cobalt
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
50 Cobalt
Android 5.1.1 (Lollipop)
50b Cobalt
Android 6.0 (Marshmallow)
Chipset
50 Cobalt
Mediatek MT6735P (28 nm)
50b Cobalt
Qualcomm MSM8909 Snapdragon 210 (28 nm)
CPU
50 Cobalt
Quad-core 1.0 GHz Cortex-A53
50b Cobalt
Quad-core 1.1 GHz
GPU
50 Cobalt
Mali-T720MP2
50b Cobalt
Adreno 304
Card slot
50 Cobalt
microSDXC
50b Cobalt
microSDXC
Internal
50 Cobalt
8GB 1GB RAM
50b Cobalt
16GB 1GB RAM, 32GB 2GB RAM
Other
50 Cobalt
-
50b Cobalt
eMMC 4.5
Single
50 Cobalt
8 MP, AF
50b Cobalt
13 MP, AF
Features
50 Cobalt
LED flash, HDR, panorama
50b Cobalt
LED flash, HDR, panorama
Video
50 Cobalt
720p@30fps
50b Cobalt
720p@30fps
Single
50 Cobalt
2 MP
50b Cobalt
2 MP
Video
50 Cobalt
50b Cobalt
Loudspeaker
50 Cobalt
Yes
50b Cobalt
Yes
3.5mm jack
50 Cobalt
Yes
50b Cobalt
Yes
WLAN
50 Cobalt
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot
50b Cobalt
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
50 Cobalt
4.0, A2DP
50b Cobalt
4.0, A2DP
Positioning
50 Cobalt
GPS
50b Cobalt
GPS
NFC
50 Cobalt
No
50b Cobalt
No
Radio
50 Cobalt
Stereo FM radio, RDS, recording
50b Cobalt
FM radio
USB
50 Cobalt
microUSB 2.0
50b Cobalt
microUSB 2.0
Sensors
50 Cobalt
Accelerometer, gyro, proximity
50b Cobalt
Fingerprint (rear-mounted), accelerometer, proximity
Type
50 Cobalt
Li-Ion 2000 mAh, non-removable
50b Cobalt
Li-Ion 2100 mAh, removable
Stand-by
50 Cobalt
Up to 330 h
50b Cobalt
-
Talk time
50 Cobalt
Up to 20 h
50b Cobalt
-
Colors
50 Cobalt
Blue/Gray
50b Cobalt
Gray
SAR EU
50 Cobalt
0.28 W/kg (head) 1.25 W/kg (body)
50b Cobalt
0.35 W/kg (head) 1.62 W/kg (body)