Screen size
equal specs50 Helium 4G5.0"
50c Oxygen5.0"
Quick verdict
50c Oxygen leads the measured specs 3-0.
Measured wins
50 Helium 4G
0
spec wins
Ties
14
equal specs
50c Oxygen
3
spec wins
Overall winner
Screen size
equal specsTechnology
50 Helium 4G
GSM / HSPA / LTE
50c Oxygen
GSM / HSPA
2G bands
50 Helium 4G
GSM 850 / 900 / 1800 / 1900
50c Oxygen
GSM 850 / 900 / 1800 / 1900
3G bands
50 Helium 4G
HSDPA 900 / 2100 / 1800
50c Oxygen
HSDPA 900 / 2100
4G bands
50 Helium 4G
1, 3, 7, 8
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
equal specsBattery
equal specsWired 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
50c Oxygen
-
Speed
50 Helium 4G
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
50c Oxygen
HSPA 21.1/5.76 Mbps
Announced
50 Helium 4G
2014. Released 2014
50c Oxygen
2014, February. Released 2014, April
Status
50 Helium 4G
Discontinued
50c Oxygen
Discontinued
Dimensions
50 Helium 4G
145 x 71.5 x 9 mm (5.71 x 2.81 x 0.35 in)
50c Oxygen
145 x 69.8 x 7.6 mm (5.71 x 2.75 x 0.30 in)
Weight
50 Helium 4G
160 g (5.64 oz)
50c Oxygen
140 g (4.94 oz)
SIM
50 Helium 4G
Micro-SIM
50c Oxygen
Dual SIM
Type
50 Helium 4G
IPS LCD
50c Oxygen
IPS LCD
Size
50 Helium 4G
5.0 inches, 68.9 cm2 (~66.5% screen-to-body ratio)
50c Oxygen
5.0 inches, 68.9 cm2 (~68.1% screen-to-body ratio)
Resolution
50 Helium 4G
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
50c Oxygen
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
50 Helium 4G
Android 4.3 (Jelly Bean)
50c Oxygen
Android 4.2.2 (Jelly Bean)
Chipset
50 Helium 4G
Qualcomm MSM8926 Snapdragon 400 (28 nm)
50c Oxygen
Mediatek MT6592 (28 nm)
CPU
50 Helium 4G
Quad-core 1.2 GHz Cortex-A7
50c Oxygen
Octa-core 1.7 GHz Cortex-A7
GPU
50 Helium 4G
Adreno 305
50c Oxygen
Mali-450MP4
Card slot
50 Helium 4G
microSDHC (dedicated slot)
50c Oxygen
microSDHC
Internal
50 Helium 4G
8GB 1GB RAM
50c Oxygen
8GB 1GB RAM
Other
50 Helium 4G
eMMC 4.5
50c Oxygen
-
Single
50 Helium 4G
8 MP, AF
50c Oxygen
8 MP, AF
Features
50 Helium 4G
LED flash
50c Oxygen
LED flash
Video
50 Helium 4G
1080p@30fps
50c Oxygen
1080p@30fps
Single
50 Helium 4G
2 MP
50c Oxygen
2 MP
Video
50 Helium 4G
50c Oxygen
Loudspeaker
50 Helium 4G
Yes
50c Oxygen
Yes
3.5mm jack
50 Helium 4G
Yes
50c Oxygen
Yes
WLAN
50 Helium 4G
Wi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct, DLNA
50c Oxygen
Wi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct, DLNA
Bluetooth
50 Helium 4G
4.0, A2DP, EDR, LE
50c Oxygen
4.0, A2DP, EDR
Positioning
50 Helium 4G
GPS, GLONASS
50c Oxygen
GPS
NFC
50 Helium 4G
No
50c Oxygen
No
Radio
50 Helium 4G
FM radio
50c Oxygen
Stereo FM radio
USB
50 Helium 4G
microUSB 2.0
50c Oxygen
microUSB 2.0
Sensors
50 Helium 4G
Accelerometer, proximity, compass
50c Oxygen
Accelerometer, proximity, compass
Type
50 Helium 4G
Li-Ion 2000 mAh, removable
50c Oxygen
Li-Ion 2000 mAh, removable
Talk time
50 Helium 4G
Up to 10 h (2G) / Up to 8 h (3G)
50c Oxygen
-
Colors
50 Helium 4G
Black
50c Oxygen
Black
SAR EU
50 Helium 4G
0.37 W/kg (head) 0.89 W/kg (body)
50c Oxygen
-
Price
50 Helium 4G
About 280 EUR
50c Oxygen
About 240 EUR