Screen size
equal specsNoir X905.0"
Noir Z45.0"
Quick verdict
Noir Z4 leads the measured specs 9-1.
Measured wins
Noir X90
1
spec wins
Ties
6
equal specs
Noir Z4
9
spec wins
Overall winner
Screen size
equal specsTechnology
Noir X90
GSM / HSPA
Noir Z4
GSM / HSPA
2G bands
Noir X90
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Noir Z4
GSM 850 / 900 / 1800 / 1900
3G bands
Noir X90
HSDPA 900 / 2100
Noir Z4
HSDPA 900 / 2100
Speed
Noir X90
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
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 Z4
HSPA 21.1/5.76 Mbps
Announced
Noir X90
2015, January. Released 2015, January
Noir Z4
2013, October. Released 2013, October
Status
Noir X90
Discontinued
Noir Z4
Discontinued
Dimensions
Noir X90
9.3 mm thickness
Noir Z4
144 x 69 x 7.7 mm (5.67 x 2.72 x 0.30 in)
Weight
Noir X90
-
Noir Z4
-
SIM
Noir X90
Dual SIM
Noir Z4
Micro-SIM
Type
Noir X90
TFT
Noir Z4
IPS LCD
Size
Noir X90
5.0 inches, 68.9 cm2
Noir Z4
5.0 inches, 68.9 cm2 (~69.4% screen-to-body ratio)
Resolution
Noir X90
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Noir Z4
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
Protection
Noir X90
-
Noir Z4
Corning Gorilla Glass 3
OS
Noir X90
Android 4.4.2 (KitKat)
Noir Z4
Android 4.2 (Jelly Bean)
Chipset
Noir X90
Mediatek MT6572A
Noir Z4
Mediatek MT6589T (28 nm)
CPU
Noir X90
Dual-core 1.3 GHz Cortex-A7
Noir Z4
Quad-core 1.5 GHz Cortex-A7
GPU
Noir X90
Mali-400
Noir Z4
PowerVR SGX544
Card slot
Noir X90
microSDHC
Noir Z4
No
Internal
Noir X90
8GB 1GB RAM
Noir Z4
32GB 2GB RAM
Single
Noir X90
5 MP, AF
Noir Z4
13 MP, AF
Features
Noir X90
LED flash
Noir Z4
LED flash, panorama
Video
Noir X90
Yes
Noir Z4
1080p@30fps
Single
Noir X90
VGA
Noir Z4
5 MP
Video
Noir X90
Noir Z4
Loudspeaker
Noir X90
Yes
Noir Z4
Yes
3.5mm jack
Noir X90
Yes
Noir Z4
Yes
WLAN
Noir X90
Wi-Fi 802.11 b/g/n, hotspot
Noir Z4
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth
Noir X90
4.0, A2DP
Noir Z4
4.0, A2DP
Positioning
Noir X90
A-GPS only
Noir Z4
GPS
NFC
Noir X90
No
Noir Z4
No
Radio
Noir X90
FM radio
Noir Z4
Stereo FM radio
USB
Noir X90
microUSB 2.0
Noir Z4
microUSB 2.0
Sensors
Noir X90
Accelerometer
Noir Z4
Accelerometer, gyro, proximity, compass
Type
Noir X90
Li-Ion 1800 mAh battery
Noir Z4
Li-Ion 2000 mAh battery
Colors
Noir X90
Black
Noir Z4
Black
Price
Noir X90
About 80 EUR
Noir Z4
About 200 EUR