Screen size
equal specsSmart Flo 503 (Mi-503)5.0"
Stellar 509 (Mi-509)5.0"
Quick verdict
Stellar 509 (Mi-509) leads the measured specs 3-1.
Measured wins
Smart Flo 503 (Mi-503)
1
spec wins
Ties
13
equal specs
Stellar 509 (Mi-509)
3
spec wins
Overall winner
Screen size
equal specsTechnology
Smart Flo 503 (Mi-503)
GSM
Stellar 509 (Mi-509)
GSM / HSPA
2G bands
Smart Flo 503 (Mi-503)
GSM 900 / 1800 - SIM 1 & SIM 2
Stellar 509 (Mi-509)
GSM 850 / 900 / 1800 / 1900
GPRS
Smart Flo 503 (Mi-503)
Class 12
Stellar 509 (Mi-509)
-
EDGE
Smart Flo 503 (Mi-503)
Class 12
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
equal specsRAM
Storage
equal specsMain camera
equal specsFront camera
equal specsBattery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Stellar 509 (Mi-509)
-
3G bands
Smart Flo 503 (Mi-503)
-
Stellar 509 (Mi-509)
HSDPA 2100
Speed
Smart Flo 503 (Mi-503)
-
Stellar 509 (Mi-509)
HSPA 21.1/5.76 Mbps
Announced
Smart Flo 503 (Mi-503)
2014, August. Released 2014, August
Stellar 509 (Mi-509)
2014, May. Released 2014, May
Status
Smart Flo 503 (Mi-503)
Discontinued
Stellar 509 (Mi-509)
Discontinued
Dimensions
Smart Flo 503 (Mi-503)
150.4 x 74.8 x 9.8 mm (5.92 x 2.94 x 0.39 in)
Stellar 509 (Mi-509)
145 x 79 x 9.5 mm (5.71 x 3.11 x 0.37 in)
Weight
Smart Flo 503 (Mi-503)
180 g (6.35 oz)
Stellar 509 (Mi-509)
120 g (4.23 oz)
SIM
Smart Flo 503 (Mi-503)
Dual SIM (Mini-SIM/ Micro-SIM)
Stellar 509 (Mi-509)
Mini-SIM
Type
Smart Flo 503 (Mi-503)
IPS LCD, 256K colors
Stellar 509 (Mi-509)
IPS LCD
Size
Smart Flo 503 (Mi-503)
5.0 inches, 68.9 cm2 (~61.2% screen-to-body ratio)
Stellar 509 (Mi-509)
5.0 inches, 68.9 cm2 (~60.1% screen-to-body ratio)
Resolution
Smart Flo 503 (Mi-503)
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Stellar 509 (Mi-509)
480 x 854 pixels, 16:9 ratio (~196 ppi density)
OS
Smart Flo 503 (Mi-503)
Android 4.4.2 (KitKat)
Stellar 509 (Mi-509)
Android 4.4.2 (KitKat)
Chipset
Smart Flo 503 (Mi-503)
Mediatek MT6571 (28 nm)
Stellar 509 (Mi-509)
Mediatek MT6582M (28 nm)
CPU
Smart Flo 503 (Mi-503)
Dual-core 1.3 GHz Cortex-A7
Stellar 509 (Mi-509)
Quad-core 1.3 GHz Cortex-A7
GPU
Smart Flo 503 (Mi-503)
Mali-400
Stellar 509 (Mi-509)
Mali-400MP2
Card slot
Smart Flo 503 (Mi-503)
microSDHC
Stellar 509 (Mi-509)
microSDHC (dedicated slot)
Internal
Smart Flo 503 (Mi-503)
4GB 512MB RAM
Stellar 509 (Mi-509)
4GB 1GB RAM
Single
Smart Flo 503 (Mi-503)
8 MP, AF
Stellar 509 (Mi-509)
8 MP, AF
Features
Smart Flo 503 (Mi-503)
LED flash, panorama
Stellar 509 (Mi-509)
LED flash, panorama, HDR
Video
Smart Flo 503 (Mi-503)
720p@30fps
Stellar 509 (Mi-509)
720p@30fps
Single
Smart Flo 503 (Mi-503)
2 MP
Stellar 509 (Mi-509)
2 MP
Video
Smart Flo 503 (Mi-503)
Stellar 509 (Mi-509)
Loudspeaker
Smart Flo 503 (Mi-503)
Yes
Stellar 509 (Mi-509)
Yes
3.5mm jack
Smart Flo 503 (Mi-503)
Yes
Stellar 509 (Mi-509)
Yes
WLAN
Smart Flo 503 (Mi-503)
Wi-Fi 802.11 b/g/n, hotspot
Stellar 509 (Mi-509)
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth
Smart Flo 503 (Mi-503)
4.0, A2DP, EDR
Stellar 509 (Mi-509)
3.0, A2DP
Positioning
Smart Flo 503 (Mi-503)
GPS
Stellar 509 (Mi-509)
GPS
NFC
Smart Flo 503 (Mi-503)
No
Stellar 509 (Mi-509)
No
Radio
Smart Flo 503 (Mi-503)
FM radio
Stellar 509 (Mi-509)
FM radio
USB
Smart Flo 503 (Mi-503)
microUSB 2.0
Stellar 509 (Mi-509)
microUSB 2.0
Sensors
Smart Flo 503 (Mi-503)
Accelerometer, proximity
Stellar 509 (Mi-509)
Accelerometer, proximity
Type
Smart Flo 503 (Mi-503)
Li-Ion 2000 mAh battery
Stellar 509 (Mi-509)
Li-Ion 2000 mAh battery
Stand-by
Smart Flo 503 (Mi-503)
Up to 200 h
Stellar 509 (Mi-509)
Up to 170 h
Talk time
Smart Flo 503 (Mi-503)
Up to 5 h
Stellar 509 (Mi-509)
Up to 4 h 30 min
Music play
Smart Flo 503 (Mi-503)
Up to 30 h
Stellar 509 (Mi-509)
Up to 30 h
Colors
Smart Flo 503 (Mi-503)
White, Gray
Stellar 509 (Mi-509)
White
SAR EU
Smart Flo 503 (Mi-503)
0.82 W/kg (head)
Stellar 509 (Mi-509)
0.92 W/kg (head)