Screen size
equal specss4009 Crystal4.0"
s4014.0"
Quick verdict
s4009 Crystal and s401 are close on the measured specs.
Measured wins
s4009 Crystal
3
spec wins
Ties
10
equal specs
s401
3
spec wins
Screen size
equal specsTechnology
s4009 Crystal
GSM / HSPA
s401
GSM / UMTS
2G bands
s4009 Crystal
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
s401
GSM 850 / 900 / 1800 / 1900 - SIM1 & SIM 2 (optional)
3G bands
s4009 Crystal
HSDPA 850 / 1900 / 2100
s401
UMTS 850 / 1900 / 2100
Speed
s4009 Crystal
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
equal specsFront 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
s401
HSPA 21.1/5.76 Mbps
Announced
s4009 Crystal
2017, June. Released 2017, June
s401
2014, June. Released 2014, June
Status
s4009 Crystal
Discontinued
s401
Discontinued
Dimensions
s4009 Crystal
127 x 66 x 10.7 mm (5.0 x 2.60 x 0.42 in)
s401
126 x 65 x 10.4 mm (4.96 x 2.56 x 0.41 in)
Weight
s4009 Crystal
-
s401
100 g (3.53 oz)
SIM
s4009 Crystal
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
s401
Single SIM or Dual SIM (dual stand-by)
Other
s4009 Crystal
-
s401
Flashlight
Type
s4009 Crystal
TFT
s401
TFT
Size
s4009 Crystal
4.0 inches, 45.5 cm2 (~54.3% screen-to-body ratio)
s401
4.0 inches, 45.5 cm2 (~55.6% screen-to-body ratio)
Resolution
s4009 Crystal
480 x 800 pixels, 5:3 ratio (~233 ppi density)
s401
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
s4009 Crystal
Android 6.0 (Marshmallow)
s401
Android 4.2 (Jelly Bean)
Chipset
s4009 Crystal
Mediatek MT6570 (28 nm)
s401
-
CPU
s4009 Crystal
Dual-core 1.3 GHz Cortex-A7
s401
Dual-core 1.0 GHz
GPU
s4009 Crystal
Mali-400
s401
-
Card slot
s4009 Crystal
microSDXC
s401
microSDHC
Internal
s4009 Crystal
8GB 512MB RAM
s401
4GB 512MB RAM
Single
s4009 Crystal
5 MP, f/2.4
s401
5 MP
Features
s4009 Crystal
LED flash, panorama
s401
LED flash
Video
s4009 Crystal
720p@30fps
s401
Yes
Single
s4009 Crystal
2 MP
s401
VGA
Video
s4009 Crystal
s401
Loudspeaker
s4009 Crystal
Yes
s401
Yes
3.5mm jack
s4009 Crystal
Yes
s401
Yes
WLAN
s4009 Crystal
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
s401
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
s4009 Crystal
4.0, A2DP, LE
s401
4.0, A2DP
Positioning
s4009 Crystal
GPS
s401
No
NFC
s4009 Crystal
No
s401
No
Radio
s4009 Crystal
Stereo FM radio
s401
FM radio
USB
s4009 Crystal
microUSB 2.0
s401
2.0
Sensors
s4009 Crystal
Accelerometer
s401
Accelerometer, proximity
Type
s4009 Crystal
Li-Ion 1200 mAh, removable
s401
Li-Ion 1400 mAh, removable
Stand-by
s4009 Crystal
Up to 150 h (3G)
s401
Up to 240 h (3G)
Talk time
s4009 Crystal
Up to 4 h (3G)
s401
Up to 6 h (3G)
Colors
s4009 Crystal
Black/Gold
s401
Blue
SAR
s4009 Crystal
1.13 W/kg (head) 0.81 W/kg (body)
s401
-