Screen size
Noir S1Winner: 5.0"+6%
Noir X5504.7"
Quick verdict
Noir S1 and Noir X550 are close on the measured specs.
Measured wins
Noir S1
4
spec wins
Ties
9
equal specs
Noir X550
4
spec wins
Screen size
Technology
Noir S1
GSM / HSPA
Noir X550
GSM / HSPA
2G bands
Noir S1
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Noir X550
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Noir S1
HSDPA 850 / 2100
Noir X550
HSDPA 900 / 2100
Speed
Noir S1
HSPA 42.2/11.5 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
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
Noir X550
HSPA 21.1/5.76 Mbps
Announced
Noir S1
2015, July. Released 2015, July
Noir X550
2015, January. Released 2015, January
Status
Noir S1
Discontinued
Noir X550
Discontinued
Dimensions
Noir S1
143 x 71.8 x 8.9 mm (5.63 x 2.83 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 S1
152 g (5.36 oz)
Noir X550
-
SIM
Noir S1
Dual SIM
Noir X550
Dual SIM
Type
Noir S1
IPS LCD
Noir X550
IPS LCD
Size
Noir S1
5.0 inches, 68.9 cm2 (~67.1% screen-to-body ratio)
Noir X550
4.7 inches, 60.9 cm2 (~63.3% screen-to-body ratio)
Resolution
Noir S1
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Noir X550
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
OS
Noir S1
Android 5.0 (Lollipop)
Noir X550
Android 4.4.2 (KitKat)
Chipset
Noir S1
Mediatek MT6582M (28 nm)
Noir X550
Mediatek MT6582 (28 nm)
CPU
Noir S1
Quad-core 1.3 GHz Cortex-A7
Noir X550
Quad-core 1.3 GHz Cortex-A7
GPU
Noir S1
Mali-400MP2
Noir X550
Mali-400MP2
Card slot
Noir S1
microSDXC
Noir X550
microSDHC
Internal
Noir S1
8GB 1GB RAM
Noir X550
8GB 1GB RAM
Single
Noir S1
5 MP, AF
Noir X550
8 MP
Features
Noir S1
LED flash
Noir X550
LED flash
Video
Noir S1
720p
Noir X550
Yes
Single
Noir S1
5 MP
Noir X550
2 MP
Video
Noir S1
Noir X550
Loudspeaker
Noir S1
Yes
Noir X550
Yes
3.5mm jack
Noir S1
Yes
Noir X550
Yes
WLAN
Noir S1
Wi-Fi 802.11 b/g/n, hotspot
Noir X550
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Noir S1
4.0, LE
Noir X550
4.0, A2DP
Positioning
Noir S1
A-GPS only
Noir X550
A-GPS only
NFC
Noir S1
No
Noir X550
No
Radio
Noir S1
FM radio
Noir X550
FM radio
USB
Noir S1
microUSB 2.0
Noir X550
microUSB 2.0
Sensors
Noir S1
Accelerometer, proximity
Noir X550
Accelerometer
Type
Noir S1
Li-Ion 2000 mAh, removable
Noir X550
Li-Ion 1800 mAh battery
Stand-by
Noir S1
Up to 200 h (3G)
Noir X550
-
Talk time
Noir S1
Up to 10 h (3G)
Noir X550
-
Colors
Noir S1
Black
Noir X550
Black
Models
Noir S1
S1
Noir X550
-
Price
Noir S1
About 100 EUR
Noir X550
About 120 EUR