Screen size
equal specs55b Cobalt5.5"
Diamond Gamma5.5"
Quick verdict
Diamond Gamma leads the measured specs 6-2.
Measured wins
55b Cobalt
2
spec wins
Ties
9
equal specs
Diamond Gamma
6
spec wins
Overall winner
Screen size
equal specsTechnology
55b Cobalt
GSM / HSPA / LTE
Diamond Gamma
GSM / HSPA / LTE
2G bands
55b Cobalt
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Diamond Gamma
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
55b Cobalt
HSDPA 900 / 2100
Diamond Gamma
HSDPA 850 / 900 / 1900 / 2100
4G bands
55b Cobalt
LTE 800 / 1800 / 2100 / 2600
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
equal specsFront 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
Diamond Gamma
1, 3, 7, 20
Speed
55b Cobalt
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Diamond Gamma
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
55b Cobalt
2017, January. Released 2017, January
Diamond Gamma
2017, June. Released 2017, July
Status
55b Cobalt
Discontinued
Diamond Gamma
Discontinued
Dimensions
55b Cobalt
155 x 79 x 0 mm (6.10 x 3.11 x 0.0 in)
Diamond Gamma
-
Weight
55b Cobalt
188 g (6.63 oz)
Diamond Gamma
-
SIM
55b Cobalt
Dual SIM (Mini-SIM, dual stand-by)
Diamond Gamma
Nano-SIM + Nano-SIM
Type
55b Cobalt
IPS LCD
Diamond Gamma
IPS LCD
Size
55b Cobalt
5.5 inches, 83.4 cm2 (~68.1% screen-to-body ratio)
Diamond Gamma
5.5 inches, 83.4 cm2
Resolution
55b Cobalt
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Diamond Gamma
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
OS
55b Cobalt
Android 6.0 (Marshmallow)
Diamond Gamma
Android 7 (Nougat), nubia UI 4
Chipset
55b Cobalt
Qualcomm MSM8909 Snapdragon 210 (28 nm)
Diamond Gamma
Qualcomm MSM8940 Snapdragon 435 (28 nm)
CPU
55b Cobalt
Quad-core 1.1 GHz
Diamond Gamma
Octa-core 1.4 GHz Cortex-A53
GPU
55b Cobalt
Adreno 304
Diamond Gamma
Adreno 505
Card slot
55b Cobalt
microSDXC
Diamond Gamma
microSDXC (uses shared SIM slot)
Internal
55b Cobalt
16GB 1GB RAM, 32GB 2GB RAM
Diamond Gamma
32GB 3GB RAM
Other
55b Cobalt
eMMC 4.5
Diamond Gamma
eMMC 5.1
Single
55b Cobalt
13 MP, AF
Diamond Gamma
13 MP, f/2.2, PDAF
Features
55b Cobalt
LED flash, HDR, panorama
Diamond Gamma
LED flash, HDR, panorama
Video
55b Cobalt
720p@30fps
Diamond Gamma
1080p@30fps
Single
55b Cobalt
2 MP
Diamond Gamma
5 MP, f/2.4
Video
55b Cobalt
Diamond Gamma
Loudspeaker
55b Cobalt
Yes
Diamond Gamma
Yes
3.5mm jack
55b Cobalt
Yes
Diamond Gamma
Yes
WLAN
55b Cobalt
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Diamond Gamma
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
55b Cobalt
4.0, A2DP
Diamond Gamma
4.2, A2DP, LE
Positioning
55b Cobalt
GPS
Diamond Gamma
GPS
NFC
55b Cobalt
No
Diamond Gamma
No
Radio
55b Cobalt
FM radio
Diamond Gamma
No
USB
55b Cobalt
microUSB 2.0
Diamond Gamma
microUSB 2.0, OTG
Sensors
55b Cobalt
Fingerprint (rear-mounted), accelerometer, proximity
Diamond Gamma
Fingerprint (front-mounted), accelerometer, proximity
Type
55b Cobalt
Li-Ion 2600 mAh, removable
Diamond Gamma
Li-Ion 3000 mAh, non-removable
Colors
55b Cobalt
Gray
Diamond Gamma
Black
SAR EU
55b Cobalt
0.98 W/kg (head) 1.76 W/kg (body)
Diamond Gamma
-
Price
55b Cobalt
-
Diamond Gamma
About 200 EUR