Screen size
s4009 Crystal4.0"
s4510 LunaWinner: 4.5"+11%
Quick verdict
s4009 Crystal and s4510 Luna are close on the measured specs.
Measured wins
s4009 Crystal
4
spec wins
Ties
8
equal specs
s4510 Luna
4
spec wins
Screen size
Technology
s4009 Crystal
GSM / HSPA
s4510 Luna
GSM / HSPA
2G bands
s4009 Crystal
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
s4510 Luna
GSM 850 / 900 / 1800 / 1900
3G bands
s4009 Crystal
HSDPA 850 / 1900 / 2100
s4510 Luna
HSDPA 850 / 1700 / 1900 / 2100
Speed
s4009 Crystal
HSPA 21.1/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
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
s4510 Luna
HSPA 21.1/5.76 Mbps
Announced
s4009 Crystal
2017, June. Released 2017, June
s4510 Luna
2014, September. Released 2014, September
Status
s4009 Crystal
Discontinued
s4510 Luna
Discontinued
Dimensions
s4009 Crystal
127 x 66 x 10.7 mm (5.0 x 2.60 x 0.42 in)
s4510 Luna
136 x 67.5 x 10.2 mm (5.35 x 2.66 x 0.40 in)
Weight
s4009 Crystal
-
s4510 Luna
142 g (5.01 oz)
SIM
s4009 Crystal
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
s4510 Luna
Mini-SIM
Type
s4009 Crystal
TFT
s4510 Luna
IPS LCD
Size
s4009 Crystal
4.0 inches, 45.5 cm2 (~54.3% screen-to-body ratio)
s4510 Luna
4.5 inches, 57.6 cm2 (~62.8% screen-to-body ratio)
Resolution
s4009 Crystal
480 x 800 pixels, 5:3 ratio (~233 ppi density)
s4510 Luna
480 x 800 pixels, 5:3 ratio (~207 ppi density)
OS
s4009 Crystal
Android 6.0 (Marshmallow)
s4510 Luna
Android 4.4.2 (KitKat)
Chipset
s4009 Crystal
Mediatek MT6570 (28 nm)
s4510 Luna
Mediatek MT6572 (28 nm)
CPU
s4009 Crystal
Dual-core 1.3 GHz Cortex-A7
s4510 Luna
Dual-core 1.2 GHz Cortex-A7
GPU
s4009 Crystal
Mali-400
s4510 Luna
Mali-400
Card slot
s4009 Crystal
microSDXC
s4510 Luna
microSDHC (dedicated slot)
Internal
s4009 Crystal
8GB 512MB RAM
s4510 Luna
4GB 512MB RAM
Single
s4009 Crystal
5 MP, f/2.4
s4510 Luna
5 MP
Features
s4009 Crystal
LED flash, panorama
s4510 Luna
-
Video
s4009 Crystal
720p@30fps
s4510 Luna
720p@30fps
Single
s4009 Crystal
2 MP
s4510 Luna
VGA
Video
s4009 Crystal
s4510 Luna
Loudspeaker
s4009 Crystal
Yes
s4510 Luna
Yes
3.5mm jack
s4009 Crystal
Yes
s4510 Luna
Yes
WLAN
s4009 Crystal
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
s4510 Luna
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
s4009 Crystal
4.0, A2DP, LE
s4510 Luna
4.0, A2DP
Positioning
s4009 Crystal
GPS
s4510 Luna
GPS
NFC
s4009 Crystal
No
s4510 Luna
No
Radio
s4009 Crystal
Stereo FM radio
s4510 Luna
FM radio
USB
s4009 Crystal
microUSB 2.0
s4510 Luna
microUSB 2.0
Sensors
s4009 Crystal
Accelerometer
s4510 Luna
Accelerometer, proximity
Type
s4009 Crystal
Li-Ion 1200 mAh, removable
s4510 Luna
Li-Ion 1650 mAh, removable
Stand-by
s4009 Crystal
Up to 150 h (3G)
s4510 Luna
Up to 192 h (3G)
Talk time
s4009 Crystal
Up to 4 h (3G)
s4510 Luna
Up to 8 h (3G)
Colors
s4009 Crystal
Black/Gold
s4510 Luna
Black, Blue, Yellow
SAR
s4009 Crystal
1.13 W/kg (head) 0.81 W/kg (body)
s4510 Luna
0.91 W/kg (head) 0.84 W/kg (body)
Price
s4009 Crystal
-
s4510 Luna
About 90 EUR