Screen size
Astro X55.0"
Nitro 5.5Winner: 5.5"+9.1%
Quick verdict
Nitro 5.5 leads the measured specs 8-1.
Measured wins
Astro X5
1
spec wins
Ties
7
equal specs
Nitro 5.5
8
spec wins
Overall winner
Screen size
Technology
Astro X5
GSM / HSPA
Nitro 5.5
GSM / HSPA
2G bands
Astro X5
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Nitro 5.5
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Astro X5
HSDPA 850 / 1900 / 2100
Nitro 5.5
HSDPA 850 / 1900 / 1700
Speed
Astro X5
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain 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
Nitro 5.5
HSPA 21.1/5.76 Mbps
Announced
Astro X5
2015, June. Released 2015, July
Nitro 5.5
2015, January. Released 2015, February
Status
Astro X5
Discontinued
Nitro 5.5
Discontinued
Dimensions
Astro X5
143.7 x 72.8 x 9.4 mm (5.66 x 2.87 x 0.37 in)
Nitro 5.5
156.2 x 78.8 x 8.7 mm (6.15 x 3.10 x 0.34 in)
Weight
Astro X5
154 g (5.43 oz)
Nitro 5.5
174 g (6.14 oz)
SIM
Astro X5
Dual SIM (dual stand-by)
Nitro 5.5
Dual SIM, (Dual stand-by)
Type
Astro X5
TFT
Nitro 5.5
IPS LCD
Size
Astro X5
5.0 inches, 68.9 cm2 (~65.9% screen-to-body ratio)
Nitro 5.5
5.5 inches, 83.4 cm2 (~67.8% screen-to-body ratio)
Resolution
Astro X5
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Nitro 5.5
540 x 960 pixels, 16:9 ratio (~200 ppi density)
OS
Astro X5
Android 4.4.2 (KitKat)
Nitro 5.5
Android 4.4.2 (KitKat)
Chipset
Astro X5
Mediatek MT6572M (28 nm)
Nitro 5.5
Mediatek MT6572 (28 nm)
CPU
Astro X5
Dual-core 1.0 GHz Cortex-A7
Nitro 5.5
Dual-core 1.2 GHz Cortex-A7
GPU
Astro X5
Mali-400
Nitro 5.5
Mali-400
Card slot
Astro X5
microSDHC
Nitro 5.5
microSDHC
Internal
Astro X5
4GB 512MB RAM
Nitro 5.5
4GB 512MB RAM
Single
Astro X5
5 MP
Nitro 5.5
8 MP, AF
Features
Astro X5
LED flash
Nitro 5.5
LED flash
Video
Astro X5
720p@30fps
Nitro 5.5
720p@30fps
Single
Astro X5
VGA
Nitro 5.5
2 MP
Video
Astro X5
Nitro 5.5
Loudspeaker
Astro X5
Yes
Nitro 5.5
Yes
3.5mm jack
Astro X5
Yes
Nitro 5.5
Yes
WLAN
Astro X5
Wi-Fi 802.11 b/g/n, hotspot
Nitro 5.5
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Astro X5
4.0, A2DP
Nitro 5.5
4.0, A2DP
Positioning
Astro X5
GPS
Nitro 5.5
GPS
NFC
Astro X5
No
Nitro 5.5
No
Radio
Astro X5
Stereo FM radio
Nitro 5.5
Stereo FM radio
USB
Astro X5
microUSB 2.0
Nitro 5.5
microUSB 2.0
Sensors
Astro X5
Accelerometer, proximity
Nitro 5.5
Accelerometer, proximity
Type
Astro X5
Li-Ion 2100 mAh, removable
Nitro 5.5
Li-Ion 2200 mAh, removable
Stand-by
Astro X5
Up to 170 h (3G)
Nitro 5.5
Up to 350 h
Talk time
Astro X5
Up to 12 h (3G)
Nitro 5.5
Up to 14 h
Colors
Astro X5
White, Black, Blue, Rose Red
Nitro 5.5
White, Black, Blue, Pink, Yellow