Screen size
equal specs50 Graphite5.0"
50b Cobalt5.0"
Quick verdict
50 Graphite leads the measured specs 4-1.
Measured wins
50 Graphite
4
spec wins
Overall winner
Ties
12
equal specs
50b Cobalt
1
spec wins
Screen size
equal specsTechnology
50 Graphite
GSM / HSPA / LTE
50b Cobalt
GSM / HSPA / LTE
2G bands
50 Graphite
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
50b Cobalt
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
50 Graphite
HSDPA 900 / 2100
50b Cobalt
HSDPA 900 / 2100
4G bands
50 Graphite
LTE 800 / 1800 / 2100 / 2600
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
equal specsThickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
50b Cobalt
LTE 800 / 1800 / 2100 / 2600
Speed
50 Graphite
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 Graphite
2017, February. Released 2017, June
50b Cobalt
2017, January. Released 2017, January
Status
50 Graphite
Discontinued
50b Cobalt
Discontinued
Dimensions
50 Graphite
144 x 72.7 x 8.9 mm (5.67 x 2.86 x 0.35 in)
50b Cobalt
144 x 72 x 0 mm (5.67 x 2.83 x 0.0 in)
Weight
50 Graphite
160 g (5.64 oz)
50b Cobalt
160 g (5.64 oz)
SIM
50 Graphite
Dual SIM
50b Cobalt
Dual SIM (Mini-SIM, dual stand-by)
Type
50 Graphite
IPS LCD
50b Cobalt
IPS LCD
Size
50 Graphite
5.0 inches, 68.9 cm2 (~65.8% screen-to-body ratio)
50b Cobalt
5.0 inches, 68.9 cm2 (~66.5% screen-to-body ratio)
Resolution
50 Graphite
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
50b Cobalt
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
50 Graphite
Android 7.0 (Nougat)
50b Cobalt
Android 6.0 (Marshmallow)
Chipset
50 Graphite
Mediatek MT6737 (28 nm)
50b Cobalt
Qualcomm MSM8909 Snapdragon 210 (28 nm)
CPU
50 Graphite
Quad-core 1.5 GHz Cortex-A53
50b Cobalt
Quad-core 1.1 GHz
GPU
50 Graphite
Mali-T720MP2
50b Cobalt
Adreno 304
Card slot
50 Graphite
microSDXC
50b Cobalt
microSDXC
Internal
50 Graphite
16GB 1GB RAM
50b Cobalt
16GB 1GB RAM, 32GB 2GB RAM
Other
50 Graphite
eMMC 5.0
50b Cobalt
eMMC 4.5
Dual
50 Graphite
13 MP, AF Auxiliary lens
50b Cobalt
-
Features
50 Graphite
LED flash, HDR, panorama
50b Cobalt
LED flash, HDR, panorama
Video
50 Graphite
1080p@30fps
50b Cobalt
720p@30fps
Single
50 Graphite
-
50b Cobalt
13 MP, AF
Single
50 Graphite
5 MP
50b Cobalt
2 MP
Video
50 Graphite
50b Cobalt
Loudspeaker
50 Graphite
Yes
50b Cobalt
Yes
3.5mm jack
50 Graphite
Yes
50b Cobalt
Yes
WLAN
50 Graphite
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
50b Cobalt
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
50 Graphite
4.1, A2DP, LE
50b Cobalt
4.0, A2DP
Positioning
50 Graphite
GPS
50b Cobalt
GPS
NFC
50 Graphite
No
50b Cobalt
No
Radio
50 Graphite
FM radio
50b Cobalt
FM radio
USB
50 Graphite
microUSB 2.0, OTG
50b Cobalt
microUSB 2.0
Sensors
50 Graphite
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
50b Cobalt
Fingerprint (rear-mounted), accelerometer, proximity
Type
50 Graphite
Li-Ion 2400 mAh, non-removable
50b Cobalt
Li-Ion 2100 mAh, removable
Colors
50 Graphite
Black
50b Cobalt
Gray
Price
50 Graphite
About 130 EUR
50b Cobalt
-
SAR EU
50 Graphite
-
50b Cobalt
0.35 W/kg (head) 1.62 W/kg (body)