Screen size
Diamond Gamma5.5"
Oxygen 57Winner: 5.7"+3.7%
Quick verdict
Oxygen 57 leads the measured specs 6-2.
Measured wins
Diamond Gamma
2
spec wins
Ties
9
equal specs
Oxygen 57
6
spec wins
Overall winner
Screen size
Technology
Diamond Gamma
GSM / HSPA / LTE
Oxygen 57
GSM / HSPA / LTE
2G bands
Diamond Gamma
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Oxygen 57
GSM 850 / 900 / 1800 / 1900
3G bands
Diamond Gamma
HSDPA 850 / 900 / 1900 / 2100
Oxygen 57
HSDPA 900 / 2100
4G bands
Diamond Gamma
1, 3, 7, 20
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
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
Oxygen 57
1, 3, 7, 20
Speed
Diamond Gamma
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Oxygen 57
HSPA, LTE
Announced
Diamond Gamma
2017, June. Released 2017, July
Oxygen 57
2019, February. Released 2019, May
Status
Diamond Gamma
Discontinued
Oxygen 57
Discontinued
Dimensions
Diamond Gamma
-
Oxygen 57
147.8 x 70.7 x 9.3 mm (5.82 x 2.78 x 0.37 in)
Weight
Diamond Gamma
-
Oxygen 57
150 g (5.29 oz)
SIM
Diamond Gamma
Nano-SIM + Nano-SIM
Oxygen 57
Nano-SIM + Nano-SIM
Type
Diamond Gamma
IPS LCD
Oxygen 57
IPS LCD
Size
Diamond Gamma
5.5 inches, 83.4 cm2
Oxygen 57
5.71 inches, 81.4 cm2 (~77.9% screen-to-body ratio)
Resolution
Diamond Gamma
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Oxygen 57
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
OS
Diamond Gamma
Android 7 (Nougat), nubia UI 4
Oxygen 57
Android 9.0 (Pie)
Chipset
Diamond Gamma
Qualcomm MSM8940 Snapdragon 435 (28 nm)
Oxygen 57
Unisoc SC9863 (28 nm)
CPU
Diamond Gamma
Octa-core 1.4 GHz Cortex-A53
Oxygen 57
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU
Diamond Gamma
Adreno 505
Oxygen 57
IMG8322
Card slot
Diamond Gamma
microSDXC (uses shared SIM slot)
Oxygen 57
microSD
Internal
Diamond Gamma
32GB 3GB RAM
Oxygen 57
32GB 3GB RAM
Other
Diamond Gamma
eMMC 5.1
Oxygen 57
-
Single
Diamond Gamma
13 MP, f/2.2, PDAF
Oxygen 57
-
Features
Diamond Gamma
LED flash, HDR, panorama
Oxygen 57
LED flash
Video
Diamond Gamma
1080p@30fps
Oxygen 57
1080p@30fps
Dual
Diamond Gamma
-
Oxygen 57
8 MP, AF 0.3 MP
Single
Diamond Gamma
5 MP, f/2.4
Oxygen 57
5 MP
Video
Diamond Gamma
Oxygen 57
Loudspeaker
Diamond Gamma
Yes
Oxygen 57
Yes
3.5mm jack
Diamond Gamma
Yes
Oxygen 57
Yes
WLAN
Diamond Gamma
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Oxygen 57
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Diamond Gamma
4.2, A2DP, LE
Oxygen 57
4.2, A2DP, LE
Positioning
Diamond Gamma
GPS
Oxygen 57
GPS, GLONASS, BDS
NFC
Diamond Gamma
No
Oxygen 57
No
Radio
Diamond Gamma
No
Oxygen 57
No
USB
Diamond Gamma
microUSB 2.0, OTG
Oxygen 57
microUSB 2.0
Sensors
Diamond Gamma
Fingerprint (front-mounted), accelerometer, proximity
Oxygen 57
Fingerprint (rear-mounted), accelerometer, proximity
Type
Diamond Gamma
Li-Ion 3000 mAh, non-removable
Oxygen 57
Li-Ion 2800 mAh, removable
Colors
Diamond Gamma
Black
Oxygen 57
Dark Violet
Price
Diamond Gamma
About 200 EUR
Oxygen 57
About 100 EUR