Screen size
equal specsQuick verdict
50 Graphite leads the measured specs 7-1.
Measured wins
50 Cobalt
1
spec wins
Ties
9
equal specs
50 Graphite
7
spec wins
Overall winner
Screen size
equal specsTechnology
50 Cobalt
GSM / HSPA / LTE
50 Graphite
GSM / HSPA / LTE
2G bands
50 Cobalt
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
50 Graphite
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
50 Cobalt
HSDPA 900 / 2100
50 Graphite
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
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
50 Graphite
LTE 800 / 1800 / 2100 / 2600
Speed
50 Cobalt
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
50 Graphite
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Announced
50 Cobalt
2016, January. Released 2016, March
50 Graphite
2017, February. Released 2017, June
Status
50 Cobalt
Discontinued
50 Graphite
Discontinued
Dimensions
50 Cobalt
141.5 x 71.5 x 9.2 mm (5.57 x 2.81 x 0.36 in)
50 Graphite
144 x 72.7 x 8.9 mm (5.67 x 2.86 x 0.35 in)
Weight
50 Cobalt
135 g (4.76 oz)
50 Graphite
160 g (5.64 oz)
SIM
50 Cobalt
Dual SIM (Micro-SIM, dual stand-by)
50 Graphite
Dual SIM
Type
50 Cobalt
IPS LCD
50 Graphite
IPS LCD
Size
50 Cobalt
5.0 inches, 68.9 cm2 (~68.1% screen-to-body ratio)
50 Graphite
5.0 inches, 68.9 cm2 (~65.8% screen-to-body ratio)
Resolution
50 Cobalt
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
50 Graphite
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
50 Cobalt
Android 5.1.1 (Lollipop)
50 Graphite
Android 7.0 (Nougat)
Chipset
50 Cobalt
Mediatek MT6735P (28 nm)
50 Graphite
Mediatek MT6737 (28 nm)
CPU
50 Cobalt
Quad-core 1.0 GHz Cortex-A53
50 Graphite
Quad-core 1.5 GHz Cortex-A53
GPU
50 Cobalt
Mali-T720MP2
50 Graphite
Mali-T720MP2
Card slot
50 Cobalt
microSDXC
50 Graphite
microSDXC
Internal
50 Cobalt
8GB 1GB RAM
50 Graphite
16GB 1GB RAM
Other
50 Cobalt
-
50 Graphite
eMMC 5.0
Single
50 Cobalt
8 MP, AF
50 Graphite
-
Features
50 Cobalt
LED flash, HDR, panorama
50 Graphite
LED flash, HDR, panorama
Video
50 Cobalt
720p@30fps
50 Graphite
1080p@30fps
Dual
50 Cobalt
-
50 Graphite
13 MP, AF Auxiliary lens
Single
50 Cobalt
2 MP
50 Graphite
5 MP
Video
50 Cobalt
50 Graphite
Loudspeaker
50 Cobalt
Yes
50 Graphite
Yes
3.5mm jack
50 Cobalt
Yes
50 Graphite
Yes
WLAN
50 Cobalt
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot
50 Graphite
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
50 Cobalt
4.0, A2DP
50 Graphite
4.1, A2DP, LE
Positioning
50 Cobalt
GPS
50 Graphite
GPS
NFC
50 Cobalt
No
50 Graphite
No
Radio
50 Cobalt
Stereo FM radio, RDS, recording
50 Graphite
FM radio
USB
50 Cobalt
microUSB 2.0
50 Graphite
microUSB 2.0, OTG
Sensors
50 Cobalt
Accelerometer, gyro, proximity
50 Graphite
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
50 Cobalt
Li-Ion 2000 mAh, non-removable
50 Graphite
Li-Ion 2400 mAh, non-removable
Stand-by
50 Cobalt
Up to 330 h
50 Graphite
-
Talk time
50 Cobalt
Up to 20 h
50 Graphite
-
Colors
50 Cobalt
Blue/Gray
50 Graphite
Black
SAR EU
50 Cobalt
0.28 W/kg (head) 1.25 W/kg (body)
50 Graphite
-
Price
50 Cobalt
-
50 Graphite
About 130 EUR