Screen size
50 Cobalt5.0"
Diamond 2 PlusWinner: 5.5"+9.1%
Quick verdict
Diamond 2 Plus leads the measured specs 10-2.
Measured wins
50 Cobalt
2
spec wins
Ties
5
equal specs
Diamond 2 Plus
10
spec wins
Overall winner
Screen size
Technology
50 Cobalt
GSM / HSPA / LTE
Diamond 2 Plus
GSM / HSPA / LTE
2G bands
50 Cobalt
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Diamond 2 Plus
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
50 Cobalt
HSDPA 900 / 2100
Diamond 2 Plus
HSDPA 900 / 2100
4G bands
50 Cobalt
1, 7, 9, 20
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Diamond 2 Plus
1, 3, 7, 20
Speed
50 Cobalt
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Diamond 2 Plus
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Announced
50 Cobalt
2016, January. Released 2016, March
Diamond 2 Plus
2016, March. Released 2016, August
Status
50 Cobalt
Discontinued
Diamond 2 Plus
Discontinued
Dimensions
50 Cobalt
141.5 x 71.5 x 9.2 mm (5.57 x 2.81 x 0.36 in)
Diamond 2 Plus
148.3 x 73.8 x 8.3 mm (5.84 x 2.91 x 0.33 in)
Weight
50 Cobalt
135 g (4.76 oz)
Diamond 2 Plus
193 g (6.81 oz)
SIM
50 Cobalt
Dual SIM (Micro-SIM, dual stand-by)
Diamond 2 Plus
Hybrid Dual SIM (Micro-SIM, dual stand-by)
Type
50 Cobalt
IPS LCD
Diamond 2 Plus
IPS LCD
Size
50 Cobalt
5.0 inches, 68.9 cm2 (~68.1% screen-to-body ratio)
Diamond 2 Plus
5.5 inches, 83.4 cm2 (~76.2% screen-to-body ratio)
Resolution
50 Cobalt
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Diamond 2 Plus
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection
50 Cobalt
-
Diamond 2 Plus
Asahi Dragontrail Glass
OS
50 Cobalt
Android 5.1.1 (Lollipop)
Diamond 2 Plus
Android 6.0 (Marshmallow)
Chipset
50 Cobalt
Mediatek MT6735P (28 nm)
Diamond 2 Plus
Mediatek MT6755 Helio P10 (28 nm)
CPU
50 Cobalt
Quad-core 1.0 GHz Cortex-A53
Diamond 2 Plus
Octa-core (4x2.0 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
50 Cobalt
Mali-T720MP2
Diamond 2 Plus
Mali-T860MP2
Card slot
50 Cobalt
microSDXC
Diamond 2 Plus
microSDXC (uses shared SIM slot)
Internal
50 Cobalt
8GB 1GB RAM
Diamond 2 Plus
64GB 4GB RAM
Other
50 Cobalt
-
Diamond 2 Plus
eMMC 5.1
Single
50 Cobalt
8 MP, AF
Diamond 2 Plus
20.7 MP, f/2.4, PDAF
Features
50 Cobalt
LED flash, HDR, panorama
Diamond 2 Plus
Dual-LED dual-tone flash, HDR, panorama
Video
50 Cobalt
720p@30fps
Diamond 2 Plus
1080p@30fps
Single
50 Cobalt
2 MP
Diamond 2 Plus
8 MP, f/1.9, 22mm (wide)
Video
50 Cobalt
Diamond 2 Plus
1080p@30fps
Features
50 Cobalt
-
Diamond 2 Plus
HDR
Loudspeaker
50 Cobalt
Yes
Diamond 2 Plus
Yes
3.5mm jack
50 Cobalt
Yes
Diamond 2 Plus
Yes
WLAN
50 Cobalt
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot
Diamond 2 Plus
Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi Direct
Bluetooth
50 Cobalt
4.0, A2DP
Diamond 2 Plus
4.0, A2DP, LE, EDR, aptX
Positioning
50 Cobalt
GPS
Diamond 2 Plus
GPS, GLONASS, BDS
NFC
50 Cobalt
No
Diamond 2 Plus
No
Radio
50 Cobalt
Stereo FM radio, RDS, recording
Diamond 2 Plus
Stereo FM radio with RDS; recording
USB
50 Cobalt
microUSB 2.0
Diamond 2 Plus
USB Type-C 3.0, OTG
Sensors
50 Cobalt
Accelerometer, gyro, proximity
Diamond 2 Plus
Fingerprint (front-mounted), accelerometer, proximity, compass
Type
50 Cobalt
Li-Ion 2000 mAh, non-removable
Diamond 2 Plus
Li-Ion 2950 mAh, non-removable
Stand-by
50 Cobalt
Up to 330 h
Diamond 2 Plus
Up to 320 h (3G)
Talk time
50 Cobalt
Up to 20 h
Diamond 2 Plus
Up to 11 h (3G)
Colors
50 Cobalt
Blue/Gray
Diamond 2 Plus
Black
SAR EU
50 Cobalt
0.28 W/kg (head) 1.25 W/kg (body)
Diamond 2 Plus
0.57 W/kg (head) 1.65 W/kg (body)
Price
50 Cobalt
-
Diamond 2 Plus
About 250 EUR