Screen size
Noir A5504.5"
Noir X550Winner: 4.7"+4.3%
Quick verdict
Noir X550 leads the measured specs 6-0.
Measured wins
Noir A550
0
spec wins
Ties
10
equal specs
Noir X550
6
spec wins
Overall winner
Screen size
Technology
Noir A550
GSM / HSPA
Noir X550
GSM / HSPA
2G bands
Noir A550
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Noir X550
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Noir A550
HSDPA 900 / 2100
Noir X550
HSDPA 900 / 2100
Speed
Noir A550
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
Main camera
equal specsFront camera
equal specsBattery
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
Noir X550
HSPA 21.1/5.76 Mbps
Announced
Noir A550
2014, April. Released 2014, April
Noir X550
2015, January. Released 2015, January
Status
Noir A550
Discontinued
Noir X550
Discontinued
Dimensions
Noir A550
132 x 66 x 8.9 mm (5.20 x 2.60 x 0.35 in)
Noir X550
139.1 x 69.2 x 7.9 mm (5.48 x 2.72 x 0.31 in)
Weight
Noir A550
-
Noir X550
-
SIM
Noir A550
Dual SIM
Noir X550
Dual SIM
Type
Noir A550
IPS LCD
Noir X550
IPS LCD
Size
Noir A550
4.5 inches, 55.8 cm2 (~64.1% screen-to-body ratio)
Noir X550
4.7 inches, 60.9 cm2 (~63.3% screen-to-body ratio)
Resolution
Noir A550
540 x 960 pixels, 16:9 ratio (~245 ppi density)
Noir X550
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
OS
Noir A550
Android 4.2 (Jelly Bean), upgradable to 4.4 (KitKat)
Noir X550
Android 4.4.2 (KitKat)
Chipset
Noir A550
Mediatek MT6582 (28 nm)
Noir X550
Mediatek MT6582 (28 nm)
CPU
Noir A550
Quad-core 1.3 GHz Cortex-A7
Noir X550
Quad-core 1.3 GHz Cortex-A7
GPU
Noir A550
Mali-400MP2
Noir X550
Mali-400MP2
Card slot
Noir A550
microSDHC
Noir X550
microSDHC
Internal
Noir A550
4GB 1GB RAM
Noir X550
8GB 1GB RAM
Single
Noir A550
8 MP, AF
Noir X550
8 MP
Features
Noir A550
LED flash
Noir X550
LED flash
Video
Noir A550
Yes
Noir X550
Yes
Single
Noir A550
2 MP
Noir X550
2 MP
Video
Noir A550
Noir X550
Loudspeaker
Noir A550
Yes
Noir X550
Yes
3.5mm jack
Noir A550
Yes
Noir X550
Yes
WLAN
Noir A550
Wi-Fi 802.11 b/g/n, hotspot
Noir X550
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Noir A550
4.0, A2DP
Noir X550
4.0, A2DP
Positioning
Noir A550
GPS
Noir X550
A-GPS only
NFC
Noir A550
No
Noir X550
No
Radio
Noir A550
FM radio
Noir X550
FM radio
USB
Noir A550
microUSB 2.0, OTG
Noir X550
microUSB 2.0
Sensors
Noir A550
Accelerometer, proximity, compass
Noir X550
Accelerometer
Type
Noir A550
Li-Ion 1700 mAh battery
Noir X550
Li-Ion 1800 mAh battery
Colors
Noir A550
Black
Noir X550
Black
Price
Noir A550
About 140 EUR
Noir X550
About 120 EUR