Screen size
s4009 CrystalWinner: 4.0"+40%
s8102.4"
Quick verdict
s4009 Crystal leads the measured specs 12-1.
Measured wins
s4009 Crystal
12
spec wins
Overall winner
Ties
3
equal specs
s810
1
spec wins
Screen size
Technology
s4009 Crystal
GSM / HSPA
s810
GSM / UMTS
2G bands
s4009 Crystal
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
s810
GSM 850 / 900 / 1800 / 1900
3G bands
s4009 Crystal
HSDPA 850 / 1900 / 2100
s810
UMTS 850 / 1900 / 2100
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
3.5mm jack
equal specsSD card
equal specsStereo speakers
s810
HSPA 3.6/0.384 Mbps
Announced
s4009 Crystal
2017, June. Released 2017, June
s810
2011. Released 2011
Status
s4009 Crystal
Discontinued
s810
Discontinued
Dimensions
s4009 Crystal
127 x 66 x 10.7 mm (5.0 x 2.60 x 0.42 in)
s810
115 x 54 x 13.5 mm (4.53 x 2.13 x 0.53 in)
Weight
s4009 Crystal
-
s810
101.6 g (3.56 oz)
SIM
s4009 Crystal
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
s810
Mini-SIM
Keyboard
s4009 Crystal
-
s810
QWERTY
Type
s4009 Crystal
TFT
s810
TFT
Size
s4009 Crystal
4.0 inches, 45.5 cm2 (~54.3% screen-to-body ratio)
s810
2.4 inches, 17.8 cm2 (~28.7% screen-to-body ratio)
Resolution
s4009 Crystal
480 x 800 pixels, 5:3 ratio (~233 ppi density)
s810
240 x 320 pixels, 4:3 ratio (~167 ppi density)
OS
s4009 Crystal
Android 6.0 (Marshmallow)
s810
-
Chipset
s4009 Crystal
Mediatek MT6570 (28 nm)
s810
-
CPU
s4009 Crystal
Dual-core 1.3 GHz Cortex-A7
s810
-
GPU
s4009 Crystal
Mali-400
s810
-
Card slot
s4009 Crystal
microSDXC
s810
microSDHC (dedicated slot)
Internal
s4009 Crystal
8GB 512MB RAM
s810
23MB
Phonebook
s4009 Crystal
-
s810
Yes
Call records
s4009 Crystal
-
s810
Yes
Single
s4009 Crystal
5 MP, f/2.4
s810
2 MP
Features
s4009 Crystal
LED flash, panorama
s810
-
Video
s4009 Crystal
720p@30fps
s810
Yes
Single
s4009 Crystal
2 MP
s810
-
Video
s4009 Crystal
s810
-
Other
s4009 Crystal
-
s810
No
Loudspeaker
s4009 Crystal
Yes
s810
Yes
3.5mm jack
s4009 Crystal
Yes
s810
Yes
WLAN
s4009 Crystal
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
s810
No
Bluetooth
s4009 Crystal
4.0, A2DP, LE
s810
2.0
Positioning
s4009 Crystal
GPS
s810
No
NFC
s4009 Crystal
No
s810
-
Radio
s4009 Crystal
Stereo FM radio
s810
FM radio
USB
s4009 Crystal
microUSB 2.0
s810
Proprietary
Sensors
s4009 Crystal
Accelerometer
s810
Messaging
s4009 Crystal
-
s810
SMS, MMS, Email, IM
Games
s4009 Crystal
-
s810
Yes
Java
s4009 Crystal
-
s810
Yes, MIDP 2.0
Other
s4009 Crystal
-
s810
MP3 player Organizer SNS applications Document viewer/editor Voice memo
Type
s4009 Crystal
Li-Ion 1200 mAh, removable
s810
Removable Li-Ion 1000 mAh battery
Stand-by
s4009 Crystal
Up to 150 h (3G)
s810
Up to 240 h
Talk time
s4009 Crystal
Up to 4 h (3G)
s810
Up to 3 h 30 min
Colors
s4009 Crystal
Black/Gold
s810
Black
SAR
s4009 Crystal
1.13 W/kg (head) 0.81 W/kg (body)
s810
-