Screen size
equal specss4007 Leo IV4.0"
s4009 Crystal4.0"
Quick verdict
s4007 Leo IV leads the measured specs 3-1.
Measured wins
s4007 Leo IV
3
spec wins
Overall winner
Ties
12
equal specs
s4009 Crystal
1
spec wins
Screen size
equal specsTechnology
s4007 Leo IV
GSM / HSPA
s4009 Crystal
GSM / HSPA
2G bands
s4007 Leo IV
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
s4009 Crystal
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
s4007 Leo IV
HSDPA 850 / 1900
s4009 Crystal
HSDPA 850 / 1900 / 2100
Speed
s4007 Leo IV
HSPA 21.1/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
equal specsRAM
Storage
Main camera
equal specsFront camera
equal specsBattery
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
s4009 Crystal
HSPA 21.1/5.76 Mbps
Announced
s4007 Leo IV
2016, July. Released 2016, July
s4009 Crystal
2017, June. Released 2017, June
Status
s4007 Leo IV
Discontinued
s4009 Crystal
Discontinued
Dimensions
s4007 Leo IV
126 x 65 x 10.5 mm (4.96 x 2.56 x 0.41 in)
s4009 Crystal
127 x 66 x 10.7 mm (5.0 x 2.60 x 0.42 in)
Weight
s4007 Leo IV
113 g (3.99 oz)
s4009 Crystal
-
SIM
s4007 Leo IV
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
s4009 Crystal
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
Type
s4007 Leo IV
IPS LCD
s4009 Crystal
TFT
Size
s4007 Leo IV
4.0 inches, 45.5 cm2 (~55.6% screen-to-body ratio)
s4009 Crystal
4.0 inches, 45.5 cm2 (~54.3% screen-to-body ratio)
Resolution
s4007 Leo IV
480 x 800 pixels, 5:3 ratio (~233 ppi density)
s4009 Crystal
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
s4007 Leo IV
Android 4.4 (KitKat)
s4009 Crystal
Android 6.0 (Marshmallow)
Chipset
s4007 Leo IV
Mediatek MT6572 (28 nm)
s4009 Crystal
Mediatek MT6570 (28 nm)
CPU
s4007 Leo IV
Dual-core 1.3 GHz Cortex-A7
s4009 Crystal
Dual-core 1.3 GHz Cortex-A7
GPU
s4007 Leo IV
Mali-400
s4009 Crystal
Mali-400
Card slot
s4007 Leo IV
microSDHC
s4009 Crystal
microSDXC
Internal
s4007 Leo IV
4GB 512MB RAM
s4009 Crystal
8GB 512MB RAM
Single
s4007 Leo IV
5 MP, f/2.8
s4009 Crystal
5 MP, f/2.4
Features
s4007 Leo IV
LED flash, panorama
s4009 Crystal
LED flash, panorama
Video
s4007 Leo IV
1080p@30fps
s4009 Crystal
720p@30fps
Single
s4007 Leo IV
2 MP, f/2.8
s4009 Crystal
2 MP
Video
s4007 Leo IV
s4009 Crystal
Loudspeaker
s4007 Leo IV
Yes
s4009 Crystal
Yes
3.5mm jack
s4007 Leo IV
Yes
s4009 Crystal
Yes
WLAN
s4007 Leo IV
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
s4009 Crystal
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
s4007 Leo IV
4.0, A2DP, LE
s4009 Crystal
4.0, A2DP, LE
Positioning
s4007 Leo IV
GPS
s4009 Crystal
GPS
NFC
s4007 Leo IV
No
s4009 Crystal
No
Radio
s4007 Leo IV
Stereo FM radio
s4009 Crystal
Stereo FM radio
USB
s4007 Leo IV
microUSB 2.0
s4009 Crystal
microUSB 2.0
Sensors
s4007 Leo IV
Accelerometer
s4009 Crystal
Accelerometer
Type
s4007 Leo IV
Li-Ion 1300 mAh battery
s4009 Crystal
Li-Ion 1200 mAh, removable
Stand-by
s4007 Leo IV
Up to 192 h (3G)
s4009 Crystal
Up to 150 h (3G)
Talk time
s4007 Leo IV
Up to 5 h (3G)
s4009 Crystal
Up to 4 h (3G)
Colors
s4007 Leo IV
White, Black
s4009 Crystal
Black/Gold
SAR
s4007 Leo IV
0.47 W/kg (head) 0.51 W/kg (body)
s4009 Crystal
1.13 W/kg (head) 0.81 W/kg (body)