Screen size
Noir X450Winner: 5.0"+6%
Noir X5504.7"
Quick verdict
Noir X550 leads the measured specs 4-3.
Measured wins
Noir X450
3
spec wins
Ties
10
equal specs
Noir X550
4
spec wins
Overall winner
Screen size
Technology
Noir X450
GSM / HSPA
Noir X550
GSM / HSPA
2G bands
Noir X450
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Noir X550
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Noir X450
HSDPA 900 / 2100
Noir X550
HSDPA 900 / 2100
Speed
Noir X450
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
equal specsMain camera
Front 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 X450
2015, May. Released 2015, May
Noir X550
2015, January. Released 2015, January
Status
Noir X450
Discontinued
Noir X550
Discontinued
Dimensions
Noir X450
142.8 x 74.3 x 8.6 mm (5.62 x 2.93 x 0.34 in)
Noir X550
139.1 x 69.2 x 7.9 mm (5.48 x 2.72 x 0.31 in)
Weight
Noir X450
150 g (5.29 oz)
Noir X550
-
SIM
Noir X450
Dual SIM
Noir X550
Dual SIM
Type
Noir X450
TFT
Noir X550
IPS LCD
Size
Noir X450
5.0 inches, 68.9 cm2 (~64.9% screen-to-body ratio)
Noir X550
4.7 inches, 60.9 cm2 (~63.3% screen-to-body ratio)
Resolution
Noir X450
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Noir X550
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
OS
Noir X450
Android 4.4.2 (KitKat)
Noir X550
Android 4.4.2 (KitKat)
Chipset
Noir X450
Mediatek MT6582M (28 nm)
Noir X550
Mediatek MT6582 (28 nm)
CPU
Noir X450
Quad-core 1.3 GHz Cortex-A7
Noir X550
Quad-core 1.3 GHz Cortex-A7
GPU
Noir X450
Mali-400MP2
Noir X550
Mali-400MP2
Card slot
Noir X450
microSDHC
Noir X550
microSDHC
Internal
Noir X450
8GB 1GB RAM
Noir X550
8GB 1GB RAM
Single
Noir X450
5 MP, AF
Noir X550
8 MP
Features
Noir X450
LED flash, panorama
Noir X550
LED flash
Video
Noir X450
1080p@30fps
Noir X550
Yes
Single
Noir X450
2 MP
Noir X550
2 MP
Features
Noir X450
LED flash
Noir X550
-
Video
Noir X450
Noir X550
Loudspeaker
Noir X450
Yes
Noir X550
Yes
3.5mm jack
Noir X450
Yes
Noir X550
Yes
WLAN
Noir X450
Wi-Fi 802.11 b/g/n, hotspot
Noir X550
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Noir X450
4.0, A2DP
Noir X550
4.0, A2DP
Positioning
Noir X450
GPS
Noir X550
A-GPS only
NFC
Noir X450
No
Noir X550
No
Radio
Noir X450
FM radio
Noir X550
FM radio
USB
Noir X450
microUSB 2.0
Noir X550
microUSB 2.0
Sensors
Noir X450
Accelerometer, proximity, compass
Noir X550
Accelerometer
Type
Noir X450
Li-Ion 1950 mAh battery
Noir X550
Li-Ion 1800 mAh battery
Stand-by
Noir X450
Up to 162 h (2G) / Up to 108 h (3G)
Noir X550
-
Talk time
Noir X450
Up to 13 h 30 min (2G) / Up to 9 h 30 min (3G)
Noir X550
-
Colors
Noir X450
Black
Noir X550
Black
Price
Noir X450
About 160 EUR
Noir X550
About 120 EUR