Screen size
equal specs55 Cobalt Plus5.5"
Diamond 2 Plus5.5"
Quick verdict
Diamond 2 Plus leads the measured specs 8-2.
Measured wins
55 Cobalt Plus
2
spec wins
Ties
7
equal specs
Diamond 2 Plus
8
spec wins
Overall winner
Screen size
equal specsTechnology
55 Cobalt Plus
GSM / HSPA / LTE
Diamond 2 Plus
GSM / HSPA / LTE
2G bands
55 Cobalt Plus
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Diamond 2 Plus
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
55 Cobalt Plus
HSDPA 900 / 2100
Diamond 2 Plus
HSDPA 900 / 2100
4G bands
55 Cobalt Plus
1, 7, 9, 20
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
equal specsIP 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
55 Cobalt Plus
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
55 Cobalt Plus
2016, January. Released 2016, March
Diamond 2 Plus
2016, March. Released 2016, August
Status
55 Cobalt Plus
Discontinued
Diamond 2 Plus
Discontinued
Dimensions
55 Cobalt Plus
152.5 x 77 x 8.3 mm (6.00 x 3.03 x 0.33 in)
Diamond 2 Plus
148.3 x 73.8 x 8.3 mm (5.84 x 2.91 x 0.33 in)
Weight
55 Cobalt Plus
130 g (4.59 oz)
Diamond 2 Plus
193 g (6.81 oz)
SIM
55 Cobalt Plus
Dual SIM (Micro-SIM, dual stand-by)
Diamond 2 Plus
Hybrid Dual SIM (Micro-SIM, dual stand-by)
Type
55 Cobalt Plus
IPS LCD
Diamond 2 Plus
IPS LCD
Size
55 Cobalt Plus
5.5 inches, 83.4 cm2 (~71.0% screen-to-body ratio)
Diamond 2 Plus
5.5 inches, 83.4 cm2 (~76.2% screen-to-body ratio)
Resolution
55 Cobalt Plus
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Diamond 2 Plus
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection
55 Cobalt Plus
-
Diamond 2 Plus
Asahi Dragontrail Glass
OS
55 Cobalt Plus
Android 5.1.1 (Lollipop)
Diamond 2 Plus
Android 6.0 (Marshmallow)
Chipset
55 Cobalt Plus
Mediatek MT6735P (28 nm)
Diamond 2 Plus
Mediatek MT6755 Helio P10 (28 nm)
CPU
55 Cobalt Plus
Quad-core 1.0 GHz Cortex-A53
Diamond 2 Plus
Octa-core (4x2.0 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
55 Cobalt Plus
Mali-T720MP2
Diamond 2 Plus
Mali-T860MP2
Card slot
55 Cobalt Plus
microSDXC
Diamond 2 Plus
microSDXC (uses shared SIM slot)
Internal
55 Cobalt Plus
16GB 2GB RAM
Diamond 2 Plus
64GB 4GB RAM
Other
55 Cobalt Plus
-
Diamond 2 Plus
eMMC 5.1
Single
55 Cobalt Plus
13 MP, AF
Diamond 2 Plus
20.7 MP, f/2.4, PDAF
Features
55 Cobalt Plus
LED flash, HDR, panorama
Diamond 2 Plus
Dual-LED dual-tone flash, HDR, panorama
Video
55 Cobalt Plus
720p@30fps
Diamond 2 Plus
1080p@30fps
Single
55 Cobalt Plus
2 MP
Diamond 2 Plus
8 MP, f/1.9, 22mm (wide)
Video
55 Cobalt Plus
Diamond 2 Plus
1080p@30fps
Features
55 Cobalt Plus
-
Diamond 2 Plus
HDR
Loudspeaker
55 Cobalt Plus
Yes
Diamond 2 Plus
Yes
3.5mm jack
55 Cobalt Plus
Yes
Diamond 2 Plus
Yes
WLAN
55 Cobalt Plus
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
55 Cobalt Plus
4.0, A2DP
Diamond 2 Plus
4.0, A2DP, LE, EDR, aptX
Positioning
55 Cobalt Plus
GPS
Diamond 2 Plus
GPS, GLONASS, BDS
NFC
55 Cobalt Plus
No
Diamond 2 Plus
No
Radio
55 Cobalt Plus
Stereo FM radio, RDS, recording
Diamond 2 Plus
Stereo FM radio with RDS; recording
USB
55 Cobalt Plus
microUSB 2.0
Diamond 2 Plus
USB Type-C 3.0, OTG
Sensors
55 Cobalt Plus
Accelerometer, gyro, proximity
Diamond 2 Plus
Fingerprint (front-mounted), accelerometer, proximity, compass
Type
55 Cobalt Plus
Li-Ion 2700 mAh, non-removable
Diamond 2 Plus
Li-Ion 2950 mAh, non-removable
Stand-by
55 Cobalt Plus
Up to 450 h
Diamond 2 Plus
Up to 320 h (3G)
Talk time
55 Cobalt Plus
Up to 27 h
Diamond 2 Plus
Up to 11 h (3G)
Colors
55 Cobalt Plus
Blue/Gray
Diamond 2 Plus
Black
SAR EU
55 Cobalt Plus
0.25 W/kg (head) 1.28 W/kg (body)
Diamond 2 Plus
0.57 W/kg (head) 1.65 W/kg (body)
Price
55 Cobalt Plus
-
Diamond 2 Plus
About 250 EUR