Screen size
Oxygen 57Winner: 5.7"+12%
Saphir 50X5.0"
Quick verdict
Oxygen 57 leads the measured specs 10-2.
Measured wins
Oxygen 57
10
spec wins
Overall winner
Ties
6
equal specs
Saphir 50X
2
spec wins
Screen size
Technology
Oxygen 57
GSM / HSPA / LTE
Saphir 50X
GSM / HSPA / LTE
2G bands
Oxygen 57
GSM 850 / 900 / 1800 / 1900
Saphir 50X
GSM 850 / 900 / 1800 / 1900
3G bands
Oxygen 57
HSDPA 900 / 2100
Saphir 50X
HSDPA 850 / 900 / 2100
4G bands
Oxygen 57
1, 3, 7, 20
Resolution
Refresh rate
Peak brightness
Pixel density
CPU 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
Saphir 50X
1, 3, 7, 20
Speed
Oxygen 57
HSPA, LTE
Saphir 50X
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Announced
Oxygen 57
2019, February. Released 2019, May
Saphir 50X
2018, April. Released 2018, April
Status
Oxygen 57
Discontinued
Saphir 50X
Discontinued
Dimensions
Oxygen 57
147.8 x 70.7 x 9.3 mm (5.82 x 2.78 x 0.37 in)
Saphir 50X
146.6 x 76 x 13 mm (5.77 x 2.99 x 0.51 in)
Weight
Oxygen 57
150 g (5.29 oz)
Saphir 50X
210 g (7.41 oz)
SIM
Oxygen 57
Nano-SIM + Nano-SIM
Saphir 50X
Nano-SIM + Nano-SIM
Other
Oxygen 57
-
Saphir 50X
IP68 dust tight and water resistant (immersible up to 1m for 30 min)
Type
Oxygen 57
IPS LCD
Saphir 50X
S-IPS LCD
Size
Oxygen 57
5.71 inches, 81.4 cm2 (~77.9% screen-to-body ratio)
Saphir 50X
5.0 inches, 68.9 cm2 (~61.9% screen-to-body ratio)
Resolution
Oxygen 57
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Saphir 50X
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
Oxygen 57
-
Saphir 50X
Corning Gorilla Glass 4
OS
Oxygen 57
Android 9.0 (Pie)
Saphir 50X
Android 7.0 (Nougat)
Chipset
Oxygen 57
Unisoc SC9863 (28 nm)
Saphir 50X
Mediatek MT6737VWT
CPU
Oxygen 57
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
Saphir 50X
Quad-core 1.3 GHz Cortex-A53
GPU
Oxygen 57
IMG8322
Saphir 50X
Mali-T720MP2
Card slot
Oxygen 57
microSD
Saphir 50X
microSDXC
Internal
Oxygen 57
32GB 3GB RAM
Saphir 50X
16GB 2GB RAM
Other
Oxygen 57
-
Saphir 50X
eMMC 5.0
Dual
Oxygen 57
8 MP, AF 0.3 MP
Saphir 50X
-
Features
Oxygen 57
LED flash
Saphir 50X
LED flash
Video
Oxygen 57
1080p@30fps
Saphir 50X
1080p@30fps
Single
Oxygen 57
-
Saphir 50X
8 MP, AF
Single
Oxygen 57
5 MP
Saphir 50X
2 MP
Video
Oxygen 57
Saphir 50X
Loudspeaker
Oxygen 57
Yes
Saphir 50X
Yes
3.5mm jack
Oxygen 57
Yes
Saphir 50X
Yes
WLAN
Oxygen 57
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Saphir 50X
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA
Bluetooth
Oxygen 57
4.2, A2DP, LE
Saphir 50X
4.0, A2DP, LE
Positioning
Oxygen 57
GPS, GLONASS, BDS
Saphir 50X
GPS
NFC
Oxygen 57
No
Saphir 50X
No
Radio
Oxygen 57
No
Saphir 50X
FM radio
USB
Oxygen 57
microUSB 2.0
Saphir 50X
microUSB 2.0, OTG
Sensors
Oxygen 57
Fingerprint (rear-mounted), accelerometer, proximity
Saphir 50X
Accelerometer, proximity, compass
Type
Oxygen 57
Li-Ion 2800 mAh, removable
Saphir 50X
Li-Ion 4000 mAh, non-removable
Colors
Oxygen 57
Dark Violet
Saphir 50X
Black
Price
Oxygen 57
About 100 EUR
Saphir 50X
About 150 EUR
SAR EU
Oxygen 57
-
Saphir 50X
0.55 W/kg (head) 0.80 W/kg (body)