Screen size
45 Helium 4G4.5"
50c OxygenWinner: 5.0"+10%
Quick verdict
50c Oxygen leads the measured specs 9-0.
Measured wins
45 Helium 4G
0
spec wins
Ties
8
equal specs
50c Oxygen
9
spec wins
Overall winner
Screen size
Technology
45 Helium 4G
GSM / HSPA / LTE
50c Oxygen
GSM / HSPA
2G bands
45 Helium 4G
GSM 850 / 900 / 1800 / 1900
50c Oxygen
GSM 850 / 900 / 1800 / 1900
3G bands
45 Helium 4G
HSDPA 900 / 2100 / 1800
50c Oxygen
HSDPA 900 / 2100
4G bands
45 Helium 4G
1, 3, 7, 8
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
Weight
equal specsThickness
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
45 Helium 4G
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
50c Oxygen
HSPA 21.1/5.76 Mbps
Announced
45 Helium 4G
2014. Released 2014
50c Oxygen
2014, February. Released 2014, April
Status
45 Helium 4G
Discontinued
50c Oxygen
Discontinued
Dimensions
45 Helium 4G
135 x 67 x 9.8 mm (5.31 x 2.64 x 0.39 in)
50c Oxygen
145 x 69.8 x 7.6 mm (5.71 x 2.75 x 0.30 in)
Weight
45 Helium 4G
140 g (4.94 oz)
50c Oxygen
140 g (4.94 oz)
SIM
45 Helium 4G
Micro-SIM
50c Oxygen
Dual SIM
Type
45 Helium 4G
IPS LCD
50c Oxygen
IPS LCD
Size
45 Helium 4G
4.5 inches, 57.6 cm2 (~63.7% screen-to-body ratio)
50c Oxygen
5.0 inches, 68.9 cm2 (~68.1% screen-to-body ratio)
Resolution
45 Helium 4G
480 x 800 pixels, 5:3 ratio (~207 ppi density)
50c Oxygen
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
45 Helium 4G
Android 4.3 (Jelly Bean)
50c Oxygen
Android 4.2.2 (Jelly Bean)
Chipset
45 Helium 4G
Qualcomm MSM8926 Snapdragon 400 (28 nm)
50c Oxygen
Mediatek MT6592 (28 nm)
CPU
45 Helium 4G
Quad-core 1.2 GHz Cortex-A7
50c Oxygen
Octa-core 1.7 GHz Cortex-A7
GPU
45 Helium 4G
Adreno 305
50c Oxygen
Mali-450MP4
Card slot
45 Helium 4G
microSDHC (dedicated slot)
50c Oxygen
microSDHC
Internal
45 Helium 4G
4GB 1GB RAM
50c Oxygen
8GB 1GB RAM
Other
45 Helium 4G
eMMC 4.5
50c Oxygen
-
Single
45 Helium 4G
5 MP, AF
50c Oxygen
8 MP, AF
Features
45 Helium 4G
LED flash
50c Oxygen
LED flash
Video
45 Helium 4G
1080p@30fps
50c Oxygen
1080p@30fps
Single
45 Helium 4G
VGA
50c Oxygen
2 MP
Video
45 Helium 4G
50c Oxygen
Loudspeaker
45 Helium 4G
Yes
50c Oxygen
Yes
3.5mm jack
45 Helium 4G
Yes
50c Oxygen
Yes
WLAN
45 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
45 Helium 4G
4.0, A2DP, EDR, LE
50c Oxygen
4.0, A2DP, EDR
Positioning
45 Helium 4G
GPS, GLONASS
50c Oxygen
GPS
NFC
45 Helium 4G
No
50c Oxygen
No
Radio
45 Helium 4G
FM radio
50c Oxygen
Stereo FM radio
USB
45 Helium 4G
microUSB 2.0
50c Oxygen
microUSB 2.0
Sensors
45 Helium 4G
Accelerometer, proximity, compass
50c Oxygen
Accelerometer, proximity, compass
Type
45 Helium 4G
Li-Ion 1850 mAh, removable
50c Oxygen
Li-Ion 2000 mAh, removable
Talk time
45 Helium 4G
Up to 9 h (2G) / Up to 7 h (3G)
50c Oxygen
-
Colors
45 Helium 4G
Black
50c Oxygen
Black
Price
45 Helium 4G
About 230 EUR
50c Oxygen
About 240 EUR