Screen size
Noir V4Winner: 5.7"+18%
Noir X5504.7"
Quick verdict
Noir V4 leads the measured specs 6-4.
Measured wins
Noir V4
6
spec wins
Overall winner
Ties
7
equal specs
Noir X550
4
spec wins
Screen size
Technology
Noir V4
GSM / HSPA
Noir X550
GSM / HSPA
2G bands
Noir V4
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Noir X550
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Noir V4
HSDPA 900 / 2100
Noir X550
HSDPA 900 / 2100
Speed
Noir V4
HSPA 21.1/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main 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
Stereo speakers
Noir X550
HSPA 21.1/5.76 Mbps
Announced
Noir V4
2014, January. Released 2014, January
Noir X550
2015, January. Released 2015, January
Status
Noir V4
Discontinued
Noir X550
Discontinued
Dimensions
Noir V4
161 x 82.5 x 9.3 mm (6.34 x 3.25 x 0.37 in)
Noir X550
139.1 x 69.2 x 7.9 mm (5.48 x 2.72 x 0.31 in)
Weight
Noir V4
220 g (7.76 oz)
Noir X550
-
SIM
Noir V4
Dual SIM
Noir X550
Dual SIM
Type
Noir V4
IPS LCD
Noir X550
IPS LCD
Size
Noir V4
5.7 inches, 89.6 cm2 (~67.4% screen-to-body ratio)
Noir X550
4.7 inches, 60.9 cm2 (~63.3% screen-to-body ratio)
Resolution
Noir V4
720 x 1280 pixels, 16:9 ratio (~258 ppi density)
Noir X550
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
OS
Noir V4
Android 4.2 (Jelly Bean)
Noir X550
Android 4.4.2 (KitKat)
Chipset
Noir V4
Mediatek MT6589 (28 nm)
Noir X550
Mediatek MT6582 (28 nm)
CPU
Noir V4
Quad-core 1.2 GHz Cortex-A7
Noir X550
Quad-core 1.3 GHz Cortex-A7
GPU
Noir V4
PowerVR SGX544
Noir X550
Mali-400MP2
Card slot
Noir V4
No
Noir X550
microSDHC
Internal
Noir V4
16GB 1GB RAM
Noir X550
8GB 1GB RAM
Single
Noir V4
12 MP, AF
Noir X550
8 MP
Features
Noir V4
Dual-LED flash, HDR
Noir X550
LED flash
Video
Noir V4
1080p@30fps
Noir X550
Yes
Single
Noir V4
5 MP
Noir X550
2 MP
Video
Noir V4
Noir X550
Loudspeaker
Noir V4
Yes
Noir X550
Yes
3.5mm jack
Noir V4
Yes
Noir X550
Yes
WLAN
Noir V4
Wi-Fi 802.11 b/g/n, hotspot
Noir X550
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Noir V4
4.0, A2DP
Noir X550
4.0, A2DP
Positioning
Noir V4
GPS
Noir X550
A-GPS only
NFC
Noir V4
No
Noir X550
No
Radio
Noir V4
FM radio
Noir X550
FM radio
USB
Noir V4
microUSB 2.0, OTG
Noir X550
microUSB 2.0
Sensors
Noir V4
Accelerometer, proximity, compass
Noir X550
Accelerometer
Type
Noir V4
Li-Ion 2600 mAh battery
Noir X550
Li-Ion 1800 mAh battery
Stand-by
Noir V4
Up to 220 h (3G)
Noir X550
-
Talk time
Noir V4
Up to 8 h (3G)
Noir X550
-
Colors
Noir V4
Black
Noir X550
Black
Price
Noir V4
About 180 EUR
Noir X550
About 120 EUR