Screen size
s4009 CrystalWinner: 4.0"+50%
s6352.0"
Quick verdict
s4009 Crystal leads the measured specs 10-1.
Measured wins
s4009 Crystal
10
spec wins
Overall winner
Ties
5
equal specs
s635
1
spec wins
Screen size
Technology
s4009 Crystal
GSM / HSPA
s635
GSM / HSPA
2G bands
s4009 Crystal
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
s635
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
s4009 Crystal
HSDPA 850 / 1900 / 2100
s635
HSDPA 850 / 1900 - SIM 1 only
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
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
s635
HSPA
Announced
s4009 Crystal
2017, June. Released 2017, June
s635
2012, October. Released 2012, October
Status
s4009 Crystal
Discontinued
s635
Discontinued
Dimensions
s4009 Crystal
127 x 66 x 10.7 mm (5.0 x 2.60 x 0.42 in)
s635
108 x 57.2 x 12.5 mm (4.25 x 2.25 x 0.49 in)
Weight
s4009 Crystal
-
s635
80 g (2.82 oz)
SIM
s4009 Crystal
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
s635
Dual SIM (Mini-SIM)
Keyboard
s4009 Crystal
-
s635
QWERTY
Type
s4009 Crystal
TFT
s635
TFT
Size
s4009 Crystal
4.0 inches, 45.5 cm2 (~54.3% screen-to-body ratio)
s635
2.0 inches, 12.4 cm2 (~20.1% screen-to-body ratio)
Resolution
s4009 Crystal
480 x 800 pixels, 5:3 ratio (~233 ppi density)
s635
320 x 240 pixels, 4:3 ratio (~200 ppi density)
OS
s4009 Crystal
Android 6.0 (Marshmallow)
s635
-
Chipset
s4009 Crystal
Mediatek MT6570 (28 nm)
s635
-
CPU
s4009 Crystal
Dual-core 1.3 GHz Cortex-A7
s635
-
GPU
s4009 Crystal
Mali-400
s635
-
Card slot
s4009 Crystal
microSDXC
s635
microSDHC (dedicated slot)
Internal
s4009 Crystal
8GB 512MB RAM
s635
-
Phonebook
s4009 Crystal
-
s635
Yes
Call records
s4009 Crystal
-
s635
Yes
Single
s4009 Crystal
5 MP, f/2.4
s635
1.3 MP
Features
s4009 Crystal
LED flash, panorama
s635
-
Video
s4009 Crystal
720p@30fps
s635
Yes
Single
s4009 Crystal
2 MP
s635
-
Video
s4009 Crystal
s635
-
Other
s4009 Crystal
-
s635
No
Loudspeaker
s4009 Crystal
Yes
s635
Yes
3.5mm jack
s4009 Crystal
Yes
s635
TBD
WLAN
s4009 Crystal
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
s635
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
s4009 Crystal
4.0, A2DP, LE
s635
2.1
Positioning
s4009 Crystal
GPS
s635
No
NFC
s4009 Crystal
No
s635
No
Radio
s4009 Crystal
Stereo FM radio
s635
FM radio
USB
s4009 Crystal
microUSB 2.0
s635
2.0
Sensors
s4009 Crystal
Accelerometer
s635
Messaging
s4009 Crystal
-
s635
SMS, MMS, Email
Games
s4009 Crystal
-
s635
Yes
Java
s4009 Crystal
-
s635
Yes
Other
s4009 Crystal
-
s635
SNS applications MP3/AAC player Organizer Predictive text input
Type
s4009 Crystal
Li-Ion 1200 mAh, removable
s635
Li-Ion 1100 mAh, removable
Stand-by
s4009 Crystal
Up to 150 h (3G)
s635
-
Talk time
s4009 Crystal
Up to 4 h (3G)
s635
-
Colors
s4009 Crystal
Black/Gold
s635
Black/Red, Black/Blue
SAR
s4009 Crystal
1.13 W/kg (head) 0.81 W/kg (body)
s635
-