Screen size
equal specss4002 Leo4.0"
s4009 Crystal4.0"
Quick verdict
s4002 Leo and s4009 Crystal are close on the measured specs.
Measured wins
s4002 Leo
2
spec wins
Ties
12
equal specs
s4009 Crystal
2
spec wins
Screen size
equal specsTechnology
s4002 Leo
GSM
s4009 Crystal
GSM / HSPA
2G bands
s4002 Leo
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
s4009 Crystal
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
s4002 Leo
Yes
s4009 Crystal
-
EDGE
s4002 Leo
Yes
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
equal specsRAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
s4009 Crystal
-
3G bands
s4002 Leo
-
s4009 Crystal
HSDPA 850 / 1900 / 2100
Speed
s4002 Leo
-
s4009 Crystal
HSPA 21.1/5.76 Mbps
Announced
s4002 Leo
2015, January. Released 2015, January
s4009 Crystal
2017, June. Released 2017, June
Status
s4002 Leo
Discontinued
s4009 Crystal
Discontinued
Dimensions
s4002 Leo
122 x 63 x 10.7 mm (4.80 x 2.48 x 0.42 in)
s4009 Crystal
127 x 66 x 10.7 mm (5.0 x 2.60 x 0.42 in)
Weight
s4002 Leo
112 g (3.95 oz)
s4009 Crystal
-
SIM
s4002 Leo
Dual SIM (Mini-SIM)
s4009 Crystal
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
Type
s4002 Leo
TFT
s4009 Crystal
TFT
Size
s4002 Leo
4.0 inches, 45.5 cm2 (~59.3% screen-to-body ratio)
s4009 Crystal
4.0 inches, 45.5 cm2 (~54.3% screen-to-body ratio)
Resolution
s4002 Leo
480 x 800 pixels, 5:3 ratio (~233 ppi density)
s4009 Crystal
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
s4002 Leo
Android 4.4.2 (KitKat)
s4009 Crystal
Android 6.0 (Marshmallow)
Chipset
s4002 Leo
Mediatek MT6571E
s4009 Crystal
Mediatek MT6570 (28 nm)
CPU
s4002 Leo
Dual-core 1.3 GHz Cortex-A7
s4009 Crystal
Dual-core 1.3 GHz Cortex-A7
GPU
s4002 Leo
Mali-400
s4009 Crystal
Mali-400
Card slot
s4002 Leo
microSDHC
s4009 Crystal
microSDXC
Internal
s4002 Leo
512MB 256MB RAM
s4009 Crystal
8GB 512MB RAM
Single
s4002 Leo
5 MP
s4009 Crystal
5 MP, f/2.4
Features
s4002 Leo
LED flash
s4009 Crystal
LED flash, panorama
Video
s4002 Leo
720p@30fps
s4009 Crystal
720p@30fps
Single
s4002 Leo
1.3 MP
s4009 Crystal
2 MP
Video
s4002 Leo
s4009 Crystal
Loudspeaker
s4002 Leo
Yes
s4009 Crystal
Yes
3.5mm jack
s4002 Leo
Yes
s4009 Crystal
Yes
WLAN
s4002 Leo
Wi-Fi 802.11 b/g/n, hotspot
s4009 Crystal
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
s4002 Leo
4.0, LE
s4009 Crystal
4.0, A2DP, LE
Positioning
s4002 Leo
GPS
s4009 Crystal
GPS
NFC
s4002 Leo
No
s4009 Crystal
No
Radio
s4002 Leo
FM radio
s4009 Crystal
Stereo FM radio
USB
s4002 Leo
microUSB 2.0
s4009 Crystal
microUSB 2.0
Sensors
s4002 Leo
Accelerometer
s4009 Crystal
Accelerometer
Type
s4002 Leo
Li-Ion 1450 mAh battery
s4009 Crystal
Li-Ion 1200 mAh, removable
Stand-by
s4002 Leo
Up to 240 h (3G)
s4009 Crystal
Up to 150 h (3G)
Talk time
s4002 Leo
Up to 7 h (3G)
s4009 Crystal
Up to 4 h (3G)
Colors
s4002 Leo
Black, White, Yellow, Blue
s4009 Crystal
Black/Gold
SAR EU
s4002 Leo
0.49 W/kg (head) 0.74 W/kg (body)
s4009 Crystal
-
Price
s4002 Leo
About 50 EUR
s4009 Crystal
-
SAR
s4002 Leo
-
s4009 Crystal
1.13 W/kg (head) 0.81 W/kg (body)