Screen size
Astro 6Winner: 6.0"+8.3%
Nitro 55 LTE5.5"
Quick verdict
Nitro 55 LTE leads the measured specs 3-2.
Measured wins
Astro 6
2
spec wins
Ties
12
equal specs
Nitro 55 LTE
3
spec wins
Overall winner
Screen size
Technology
Astro 6
GSM / HSPA
Nitro 55 LTE
GSM / HSPA / LTE
2G bands
Astro 6
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Nitro 55 LTE
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Astro 6
HSDPA 850 / 1900 / 2100
Nitro 55 LTE
HSDPA 850 / 1700 / 2100
Speed
Astro 6
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
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
Nitro 55 LTE
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
4G bands
Astro 6
-
Nitro 55 LTE
2, 4, 5, 7, 12, 17
Announced
Astro 6
2015, June. Released 2015, September
Nitro 55 LTE
2016, November. Released 2017, January
Status
Astro 6
Discontinued
Nitro 55 LTE
Discontinued
Dimensions
Astro 6
166 x 84 x 8.8 mm (6.54 x 3.31 x 0.35 in)
Nitro 55 LTE
153 x 77.6 x 7.9 mm (6.02 x 3.06 x 0.31 in)
Weight
Astro 6
150 g (5.29 oz)
Nitro 55 LTE
163 g (5.75 oz)
SIM
Astro 6
Dual SIM (dual stand-by)
Nitro 55 LTE
Dual SIM (dual stand-by)
Type
Astro 6
IPS LCD
Nitro 55 LTE
IPS LCD
Size
Astro 6
6.0 inches, 99.2 cm2 (~71.2% screen-to-body ratio)
Nitro 55 LTE
5.5 inches, 83.4 cm2 (~70.2% screen-to-body ratio)
Resolution
Astro 6
540 x 960 pixels, 16:9 ratio (~184 ppi density)
Nitro 55 LTE
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
OS
Astro 6
Android 4.4.2 (KitKat)
Nitro 55 LTE
Android 6.0 (Marshmallow)
Chipset
Astro 6
Mediatek MT6582M (28 nm)
Nitro 55 LTE
Mediatek MT6737 (28 nm)
CPU
Astro 6
Quad-core 1.3 GHz Cortex-A7
Nitro 55 LTE
Quad-core 1.3 GHz Cortex-A7
GPU
Astro 6
Mali-400MP2
Nitro 55 LTE
Mali-T720MP2
Card slot
Astro 6
microSDHC
Nitro 55 LTE
microSDHC
Internal
Astro 6
8GB 1GB RAM
Nitro 55 LTE
8GB 1GB RAM
Other
Astro 6
-
Nitro 55 LTE
eMMC 5.0
Single
Astro 6
8 MP, AF
Nitro 55 LTE
8 MP, AF
Features
Astro 6
LED flash
Nitro 55 LTE
LED flash
Video
Astro 6
720p
Nitro 55 LTE
720p@30fps
Single
Astro 6
2 MP
Nitro 55 LTE
2 MP
Video
Astro 6
Nitro 55 LTE
Loudspeaker
Astro 6
Yes
Nitro 55 LTE
Yes
3.5mm jack
Astro 6
Yes
Nitro 55 LTE
Yes
WLAN
Astro 6
Wi-Fi 802.11 b/g/n, hotspot
Nitro 55 LTE
Wi-Fi 802.11 b/g/n
Bluetooth
Astro 6
4.0, A2DP
Nitro 55 LTE
4.0, A2DP
Positioning
Astro 6
GPS
Nitro 55 LTE
GPS
NFC
Astro 6
No
Nitro 55 LTE
No
Radio
Astro 6
Stereo FM radio
Nitro 55 LTE
Stereo FM radio
USB
Astro 6
microUSB 2.0
Nitro 55 LTE
microUSB 2.0
Sensors
Astro 6
Accelerometer, proximity
Nitro 55 LTE
Fingerprint (rear-mounted), accelerometer, proximity
Type
Astro 6
Li-Ion 3000 mAh, removable
Nitro 55 LTE
Li-Ion 3000 mAh, removable
Stand-by
Astro 6
Up to 380 h (3G)
Nitro 55 LTE
Up to 280 h
Talk time
Astro 6
Up to 15 h (3G)
Nitro 55 LTE
Up to 15 h
Colors
Astro 6
White, Black, Blue, Red
Nitro 55 LTE
Dark Blue, White, Gold