Screen size
equal specsQuick verdict
50 Saphir leads the measured specs 5-3.
Measured wins
50 Saphir
5
spec wins
Overall winner
Ties
11
equal specs
50b Cobalt
3
spec wins
Screen size
equal specsTechnology
50 Saphir
GSM / HSPA / LTE
50b Cobalt
GSM / HSPA / LTE
2G bands
50 Saphir
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
50b Cobalt
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
50 Saphir
HSDPA 900 / 2100
50b Cobalt
HSDPA 900 / 2100
4G bands
50 Saphir
LTE 800 / 1800 / 2100 / 2600
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
equal specsMain 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 Saphir
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 Saphir
2017, February. Released 2017, June
50b Cobalt
2017, January. Released 2017, January
Status
50 Saphir
Discontinued
50b Cobalt
Discontinued
Dimensions
50 Saphir
146.6 x 75.9 x 13.9 mm (5.77 x 2.99 x 0.55 in)
50b Cobalt
144 x 72 x 0 mm (5.67 x 2.83 x 0.0 in)
Weight
50 Saphir
-
50b Cobalt
160 g (5.64 oz)
SIM
50 Saphir
Nano-SIM + Nano-SIM
50b Cobalt
Dual SIM (Mini-SIM, dual stand-by)
Other
50 Saphir
IP68 dust tight and water resistant (immersible up to 1m for 30 min)
50b Cobalt
-
Type
50 Saphir
IPS LCD
50b Cobalt
IPS LCD
Size
50 Saphir
5.0 inches, 68.9 cm2 (~61.9% screen-to-body ratio)
50b Cobalt
5.0 inches, 68.9 cm2 (~66.5% screen-to-body ratio)
Resolution
50 Saphir
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
50b Cobalt
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
50 Saphir
Corning Gorilla Glass 4
50b Cobalt
-
OS
50 Saphir
Android 6.0 (Marshmallow)
50b Cobalt
Android 6.0 (Marshmallow)
Chipset
50 Saphir
Mediatek MT6737 (28 nm)
50b Cobalt
Qualcomm MSM8909 Snapdragon 210 (28 nm)
CPU
50 Saphir
Quad-core 1.5 GHz Cortex-A53
50b Cobalt
Quad-core 1.1 GHz
GPU
50 Saphir
Mali-T720MP2
50b Cobalt
Adreno 304
Card slot
50 Saphir
microSDXC
50b Cobalt
microSDXC
Internal
50 Saphir
16GB 2GB RAM
50b Cobalt
16GB 1GB RAM, 32GB 2GB RAM
Other
50 Saphir
eMMC 5.0
50b Cobalt
eMMC 4.5
Single
50 Saphir
8 MP, AF
50b Cobalt
13 MP, AF
Features
50 Saphir
LED flash
50b Cobalt
LED flash, HDR, panorama
Video
50 Saphir
1080p@30fps
50b Cobalt
720p@30fps
Single
50 Saphir
2 MP
50b Cobalt
2 MP
Video
50 Saphir
50b Cobalt
Loudspeaker
50 Saphir
Yes
50b Cobalt
Yes
3.5mm jack
50 Saphir
Yes
50b Cobalt
Yes
WLAN
50 Saphir
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA
50b Cobalt
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
50 Saphir
4.0, A2DP, LE
50b Cobalt
4.0, A2DP
Positioning
50 Saphir
GPS
50b Cobalt
GPS
NFC
50 Saphir
No
50b Cobalt
No
Radio
50 Saphir
FM radio
50b Cobalt
FM radio
USB
50 Saphir
microUSB 2.0, OTG
50b Cobalt
microUSB 2.0
Sensors
50 Saphir
Accelerometer, proximity, compass
50b Cobalt
Fingerprint (rear-mounted), accelerometer, proximity
Type
50 Saphir
Li-Ion 5000 mAh, non-removable
50b Cobalt
Li-Ion 2100 mAh, removable
Charging
50 Saphir
10W wired
50b Cobalt
-
Stand-by
50 Saphir
Up to 740 h (2G) / Up to 550 h (3G)
50b Cobalt
-
Talk time
50 Saphir
Up to 37 h (2G) / Up to 27 h (3G)
50b Cobalt
-
Colors
50 Saphir
Black
50b Cobalt
Gray
SAR EU
50 Saphir
0.55 W/kg (head) 0.80 W/kg (body)
50b Cobalt
0.35 W/kg (head) 1.62 W/kg (body)