Screen size
Noir A750Winner: 5.0"+6%
Noir X5504.7"
Quick verdict
Noir A750 leads the measured specs 6-3.
Measured wins
Noir A750
6
spec wins
Overall winner
Ties
8
equal specs
Noir X550
3
spec wins
Screen size
Technology
Noir A750
GSM / HSPA
Noir X550
GSM / HSPA
2G bands
Noir A750
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Noir X550
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Noir A750
HSDPA 900 / 2100
Noir X550
HSDPA 900 / 2100
Speed
Noir A750
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
equal specsStereo speakers
Noir X550
HSPA 21.1/5.76 Mbps
Announced
Noir A750
2015, February. Released 2015, February
Noir X550
2015, January. Released 2015, January
Status
Noir A750
Discontinued
Noir X550
Discontinued
Dimensions
Noir A750
144.5 x 73.8 x 8.9 mm (5.69 x 2.91 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 A750
158 g (5.29 oz)
Noir X550
-
SIM
Noir A750
Dual SIM
Noir X550
Dual SIM
Type
Noir A750
IPS LCD
Noir X550
IPS LCD
Size
Noir A750
5.0 inches, 68.9 cm2 (~64.6% screen-to-body ratio)
Noir X550
4.7 inches, 60.9 cm2 (~63.3% screen-to-body ratio)
Resolution
Noir A750
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Noir X550
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
OS
Noir A750
Android 4.2 (Jelly Bean)
Noir X550
Android 4.4.2 (KitKat)
Chipset
Noir A750
Mediatek MT6589 (28 nm)
Noir X550
Mediatek MT6582 (28 nm)
CPU
Noir A750
Quad-core 1.2 GHz Cortex-A7
Noir X550
Quad-core 1.3 GHz Cortex-A7
GPU
Noir A750
PowerVR SGX544
Noir X550
Mali-400MP2
Card slot
Noir A750
microSDHC
Noir X550
microSDHC
Internal
Noir A750
16GB 1GB RAM
Noir X550
8GB 1GB RAM
Single
Noir A750
13 MP, AF
Noir X550
8 MP
Features
Noir A750
LED flash, HDR, panorama
Noir X550
LED flash
Video
Noir A750
1080p@30fps
Noir X550
Yes
Single
Noir A750
5 MP
Noir X550
2 MP
Video
Noir A750
720p
Noir X550
Loudspeaker
Noir A750
Yes
Noir X550
Yes
3.5mm jack
Noir A750
Yes
Noir X550
Yes
WLAN
Noir A750
Wi-Fi 802.11 b/g/n, hotspot
Noir X550
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Noir A750
4.0, A2DP
Noir X550
4.0, A2DP
Positioning
Noir A750
GPS
Noir X550
A-GPS only
NFC
Noir A750
No
Noir X550
No
Radio
Noir A750
FM radio
Noir X550
FM radio
USB
Noir A750
microUSB 2.0, OTG
Noir X550
microUSB 2.0
Sensors
Noir A750
Accelerometer, proximity
Noir X550
Accelerometer
Type
Noir A750
Li-Ion 2000 mAh battery
Noir X550
Li-Ion 1800 mAh battery
Stand-by
Noir A750
Up to 220 h
Noir X550
-
Talk time
Noir A750
Up to 8 h
Noir X550
-
Colors
Noir A750
Black
Noir X550
Black
Price
Noir A750
About 220 EUR
Noir X550
About 120 EUR