Screen size
equal specss5028 Bolt5.0"
s5030 Helix II5.0"
Quick verdict
s5030 Helix II leads the measured specs 8-0.
Measured wins
s5028 Bolt
0
spec wins
Ties
9
equal specs
s5030 Helix II
8
spec wins
Overall winner
Screen size
equal specsTechnology
s5028 Bolt
GSM / HSPA
s5030 Helix II
GSM / HSPA
2G bands
s5028 Bolt
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
s5030 Helix II
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
s5028 Bolt
HSDPA 850 / 1900
s5030 Helix II
HSDPA 850 / 1700(AWS) / 1900 / 2100
Speed
s5028 Bolt
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain 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
s5030 Helix II
HSPA 21.1/5.76 Mbps
Announced
s5028 Bolt
2017, April. Released 2017, April
s5030 Helix II
2016, June. Released 2016, June
Status
s5028 Bolt
Discontinued
s5030 Helix II
Discontinued
Dimensions
s5028 Bolt
144.8 x 72.8 x 10 mm (5.70 x 2.87 x 0.39 in)
s5030 Helix II
147.1 x 72 x 7.5 mm (5.79 x 2.83 x 0.30 in)
Weight
s5028 Bolt
154 g (5.43 oz)
s5030 Helix II
132 g (4.66 oz)
SIM
s5028 Bolt
Dual SIM (Micro-SIM/ Mini-SIM, dual stand-by)
s5030 Helix II
Nano-SIM + Micro-SIM
Type
s5028 Bolt
TFT
s5030 Helix II
IPS LCD
Size
s5028 Bolt
5.0 inches, 68.9 cm2 (~65.4% screen-to-body ratio)
s5030 Helix II
5.0 inches, 68.9 cm2 (~65.1% screen-to-body ratio)
Resolution
s5028 Bolt
480 x 854 pixels, 16:9 ratio (~196 ppi density)
s5030 Helix II
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
s5028 Bolt
-
s5030 Helix II
Asahi Dragontrail Glass
OS
s5028 Bolt
Android 6.0 (Marshmallow)
s5030 Helix II
Android 5.1 (Lollipop)
Chipset
s5028 Bolt
Spreadtrum SC7731C
s5030 Helix II
Mediatek MT6580 (28 nm)
CPU
s5028 Bolt
Quad-core 1.2 GHz Cortex-A7
s5030 Helix II
Quad-core 1.3 GHz Cortex-A7
GPU
s5028 Bolt
Mali-400
s5030 Helix II
Mali-400MP2
Card slot
s5028 Bolt
microSDHC
s5030 Helix II
microSDHC
Internal
s5028 Bolt
8GB 1GB RAM
s5030 Helix II
8GB 1GB RAM
Single
s5028 Bolt
8 MP, f/2.4, AF
s5030 Helix II
8 MP, f/2.8, AF
Features
s5028 Bolt
LED flash, panorama
s5030 Helix II
LED flash, panorama
Video
s5028 Bolt
720p@30fps
s5030 Helix II
1080p@30fps
Single
s5028 Bolt
2 MP, f/2.8
s5030 Helix II
5 MP, f/2.8
Video
s5028 Bolt
s5030 Helix II
Features
s5028 Bolt
-
s5030 Helix II
LED flash
Loudspeaker
s5028 Bolt
Yes
s5030 Helix II
Yes, dual speakers
3.5mm jack
s5028 Bolt
Yes
s5030 Helix II
Yes
WLAN
s5028 Bolt
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
s5030 Helix II
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth
s5028 Bolt
2.1, A2DP
s5030 Helix II
4.0, A2DP, LE
Positioning
s5028 Bolt
GPS
s5030 Helix II
GPS
NFC
s5028 Bolt
No
s5030 Helix II
No
Radio
s5028 Bolt
Stereo FM radio
s5030 Helix II
Stereo FM radio
USB
s5028 Bolt
microUSB 2.0
s5030 Helix II
microUSB 2.0
Sensors
s5028 Bolt
Accelerometer
s5030 Helix II
Accelerometer, proximity
Type
s5028 Bolt
Li-Ion 2000 mAh battery
s5030 Helix II
Li-Ion 2200 mAh battery
Stand-by
s5028 Bolt
Up to 240 h (3G)
s5030 Helix II
Up to 240 h (3G)
Talk time
s5028 Bolt
Up to 8 h (3G)
s5030 Helix II
Up to 7 h (3G)
Colors
s5028 Bolt
Black, Gold
s5030 Helix II
Black