Screen size
s4009 CrystalWinner: 4.0"+30%
s7282.8"
Quick verdict
s4009 Crystal leads the measured specs 11-1.
Measured wins
s4009 Crystal
11
spec wins
Overall winner
Ties
4
equal specs
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1
spec wins
Screen size
Technology
s4009 Crystal
GSM / HSPA
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GSM / HSPA
2G bands
s4009 Crystal
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
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GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
s4009 Crystal
HSDPA 850 / 1900 / 2100
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HSDPA 850 / 1900
Speed
s4009 Crystal
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
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
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HSPA 7.2/0.384 Mbps
Announced
s4009 Crystal
2017, June. Released 2017, June
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2012, October. Released 2012, October
Status
s4009 Crystal
Discontinued
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Discontinued
Dimensions
s4009 Crystal
127 x 66 x 10.7 mm (5.0 x 2.60 x 0.42 in)
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104 x 56.8 x 12.9 mm (4.09 x 2.24 x 0.51 in)
Weight
s4009 Crystal
-
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90 g (3.17 oz)
SIM
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Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
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Dual SIM (Mini-SIM)
Type
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TFT
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TFT
Size
s4009 Crystal
4.0 inches, 45.5 cm2 (~54.3% screen-to-body ratio)
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2.8 inches, 24.3 cm2 (~41.1% screen-to-body ratio)
Resolution
s4009 Crystal
480 x 800 pixels, 5:3 ratio (~233 ppi density)
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240 x 320 pixels, 4:3 ratio (~143 ppi density)
OS
s4009 Crystal
Android 6.0 (Marshmallow)
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Android 2.3.5 (Gingerbread)
Chipset
s4009 Crystal
Mediatek MT6570 (28 nm)
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-
CPU
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Dual-core 1.3 GHz Cortex-A7
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650 MHz
GPU
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Mali-400
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-
Card slot
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microSDXC
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microSDHC (dedicated slot)
Internal
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8GB 512MB RAM
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-
Single
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5 MP, f/2.4
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3.2 MP
Features
s4009 Crystal
LED flash, panorama
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-
Video
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720p@30fps
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Yes
Single
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2 MP
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VGA
Video
s4009 Crystal
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Loudspeaker
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Yes
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Yes
3.5mm jack
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Yes
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Yes
WLAN
s4009 Crystal
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
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Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
s4009 Crystal
4.0, A2DP, LE
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2.0, A2DP
Positioning
s4009 Crystal
GPS
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GPS
NFC
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No
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No
Radio
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Stereo FM radio
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FM radio
USB
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microUSB 2.0
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Proprietary
Sensors
s4009 Crystal
Accelerometer
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Accelerometer, proximity
Other
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-
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Analog TV MP3 player
Type
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Li-Ion 1200 mAh, removable
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Li-Ion 1110 mAh, removable
Stand-by
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Up to 150 h (3G)
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-
Talk time
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Up to 4 h (3G)
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Colors
s4009 Crystal
Black/Gold
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Black, White
SAR
s4009 Crystal
1.13 W/kg (head) 0.81 W/kg (body)
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-