Screen size
45 Helium 4G4.5"
50 DiamondWinner: 5.0"+10%
Quick verdict
50 Diamond leads the measured specs 11-1.
Measured wins
45 Helium 4G
1
spec wins
Ties
5
equal specs
50 Diamond
11
spec wins
Overall winner
Screen size
Technology
45 Helium 4G
GSM / HSPA / LTE
50 Diamond
GSM / HSPA / LTE
2G bands
45 Helium 4G
GSM 850 / 900 / 1800 / 1900
50 Diamond
GSM 850 / 900 / 1800 / 1900
3G bands
45 Helium 4G
HSDPA 900 / 2100 / 1800
50 Diamond
HSDPA 850 / 900 / 2100
4G bands
45 Helium 4G
1, 3, 7, 8
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
50 Diamond
1, 3, 7, 20
Speed
45 Helium 4G
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
50 Diamond
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Announced
45 Helium 4G
2014. Released 2014
50 Diamond
2014, October. Released 2015, January
Status
45 Helium 4G
Discontinued
50 Diamond
Discontinued
Dimensions
45 Helium 4G
135 x 67 x 9.8 mm (5.31 x 2.64 x 0.39 in)
50 Diamond
146 x 70.4 x 8 mm (5.75 x 2.77 x 0.31 in)
Weight
45 Helium 4G
140 g (4.94 oz)
50 Diamond
142 g (5.01 oz)
SIM
45 Helium 4G
Micro-SIM
50 Diamond
Dual SIM (Micro-SIM, dual stand-by)
Type
45 Helium 4G
IPS LCD
50 Diamond
IPS LCD
Size
45 Helium 4G
4.5 inches, 57.6 cm2 (~63.7% screen-to-body ratio)
50 Diamond
5.0 inches, 69.2 cm2 (~67.4% screen-to-body ratio)
Resolution
45 Helium 4G
480 x 800 pixels, 5:3 ratio (~207 ppi density)
50 Diamond
1080 x 1920 pixels, 16:9 ratio (~440 ppi density)
OS
45 Helium 4G
Android 4.3 (Jelly Bean)
50 Diamond
Android 4.4.4 (KitKat)
Chipset
45 Helium 4G
Qualcomm MSM8926 Snapdragon 400 (28 nm)
50 Diamond
Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU
45 Helium 4G
Quad-core 1.2 GHz Cortex-A7
50 Diamond
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
45 Helium 4G
Adreno 305
50 Diamond
Adreno 405
Card slot
45 Helium 4G
microSDHC (dedicated slot)
50 Diamond
microSDXC
Internal
45 Helium 4G
4GB 1GB RAM
50 Diamond
16GB 2GB RAM
Other
45 Helium 4G
eMMC 4.5
50 Diamond
eMMC 4.5
Single
45 Helium 4G
5 MP, AF
50 Diamond
16 MP, AF
Features
45 Helium 4G
LED flash
50 Diamond
LED flash
Video
45 Helium 4G
1080p@30fps
50 Diamond
1080p@30fps
Single
45 Helium 4G
VGA
50 Diamond
8 MP
Video
45 Helium 4G
50 Diamond
Loudspeaker
45 Helium 4G
Yes
50 Diamond
Yes
3.5mm jack
45 Helium 4G
Yes
50 Diamond
Yes
WLAN
45 Helium 4G
Wi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct, DLNA
50 Diamond
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
45 Helium 4G
4.0, A2DP, EDR, LE
50 Diamond
4.0, A2DP
Positioning
45 Helium 4G
GPS, GLONASS
50 Diamond
GPS
NFC
45 Helium 4G
No
50 Diamond
Yes
Radio
45 Helium 4G
FM radio
50 Diamond
FM radio
USB
45 Helium 4G
microUSB 2.0
50 Diamond
microUSB 2.0
Sensors
45 Helium 4G
Accelerometer, proximity, compass
50 Diamond
Accelerometer, proximity, compass
Type
45 Helium 4G
Li-Ion 1850 mAh, removable
50 Diamond
Li-Po 2700 mAh, non-removable
Talk time
45 Helium 4G
Up to 9 h (2G) / Up to 7 h (3G)
50 Diamond
-
Colors
45 Helium 4G
Black
50 Diamond
Black, Electric yellow
Price
45 Helium 4G
About 230 EUR
50 Diamond
About 200 EUR
SAR EU
45 Helium 4G
-
50 Diamond
0.40 W/kg (head) 0.71 W/kg (body)