Screen size
equal specs50 Helium 4G5.0"
Diamond S5.0"
Quick verdict
Diamond S leads the measured specs 8-0.
Measured wins
50 Helium 4G
0
spec wins
Ties
9
equal specs
Diamond S
8
spec wins
Overall winner
Screen size
equal specsTechnology
50 Helium 4G
GSM / HSPA / LTE
Diamond S
GSM / HSPA / LTE
2G bands
50 Helium 4G
GSM 850 / 900 / 1800 / 1900
Diamond S
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
50 Helium 4G
HSDPA 900 / 2100 / 1800
Diamond S
HSDPA 850 / 900 / 1900 / 2100
4G bands
50 Helium 4G
1, 3, 7, 8
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
Front camera
Battery
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
Diamond S
3, 7, 20
Speed
50 Helium 4G
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Diamond S
HSPA, LTE
Announced
50 Helium 4G
2014. Released 2014
Diamond S
2015, September. Released 2015, November
Status
50 Helium 4G
Discontinued
Diamond S
Discontinued
Dimensions
50 Helium 4G
145 x 71.5 x 9 mm (5.71 x 2.81 x 0.35 in)
Diamond S
145 x 71.5 x 6.5 mm (5.71 x 2.81 x 0.26 in)
Weight
50 Helium 4G
160 g (5.64 oz)
Diamond S
118 g (4.16 oz)
SIM
50 Helium 4G
Micro-SIM
Diamond S
Dual SIM
Type
50 Helium 4G
IPS LCD
Diamond S
Super AMOLED
Size
50 Helium 4G
5.0 inches, 68.9 cm2 (~66.5% screen-to-body ratio)
Diamond S
5.0 inches, 68.9 cm2 (~66.5% screen-to-body ratio)
Resolution
50 Helium 4G
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Diamond S
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
50 Helium 4G
-
Diamond S
Corning Gorilla Glass 3
OS
50 Helium 4G
Android 4.3 (Jelly Bean)
Diamond S
Android 5.1.1 (Lollipop)
Chipset
50 Helium 4G
Qualcomm MSM8926 Snapdragon 400 (28 nm)
Diamond S
Mediatek MT6753 (28 nm)
CPU
50 Helium 4G
Quad-core 1.2 GHz Cortex-A7
Diamond S
Octa-core 1.3 GHz Cortex-A53
GPU
50 Helium 4G
Adreno 305
Diamond S
Mali-T720MP3
Card slot
50 Helium 4G
microSDHC (dedicated slot)
Diamond S
microSDXC
Internal
50 Helium 4G
8GB 1GB RAM
Diamond S
16GB 2GB RAM
Other
50 Helium 4G
eMMC 4.5
Diamond S
-
Single
50 Helium 4G
8 MP, AF
Diamond S
16 MP, 1/2.8", 1.12µm, AF
Features
50 Helium 4G
LED flash
Diamond S
LED flash
Video
50 Helium 4G
1080p@30fps
Diamond S
1080p@30fps
Single
50 Helium 4G
2 MP
Diamond S
8 MP
Video
50 Helium 4G
Diamond S
Loudspeaker
50 Helium 4G
Yes
Diamond S
Yes
3.5mm jack
50 Helium 4G
Yes
Diamond S
Yes
WLAN
50 Helium 4G
Wi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct, DLNA
Diamond S
Wi-Fi 802.11 b/g/n
Bluetooth
50 Helium 4G
4.0, A2DP, EDR, LE
Diamond S
4.0, LE
Positioning
50 Helium 4G
GPS, GLONASS
Diamond S
GPS
NFC
50 Helium 4G
No
Diamond S
No
Radio
50 Helium 4G
FM radio
Diamond S
FM radio
USB
50 Helium 4G
microUSB 2.0
Diamond S
microUSB 2.0, OTG
Sensors
50 Helium 4G
Accelerometer, proximity, compass
Diamond S
Accelerometer, proximity, compass
Type
50 Helium 4G
Li-Ion 2000 mAh, removable
Diamond S
Li-Ion 2300 mAh, non-removable
Talk time
50 Helium 4G
Up to 10 h (2G) / Up to 8 h (3G)
Diamond S
-
Colors
50 Helium 4G
Black
Diamond S
Black
SAR EU
50 Helium 4G
0.37 W/kg (head) 0.89 W/kg (body)
Diamond S
0.33 W/kg (head) 1.60 W/kg (body)
Price
50 Helium 4G
About 280 EUR
Diamond S
-