Screen size
equal specsStellar 507 (Mi-507)5.0"
Stellar 509 (Mi-509)5.0"
Quick verdict
Stellar 509 (Mi-509) leads the measured specs 5-1.
Measured wins
Stellar 507 (Mi-507)
1
spec wins
Ties
11
equal specs
Stellar 509 (Mi-509)
5
spec wins
Overall winner
Screen size
equal specsTechnology
Stellar 507 (Mi-507)
GSM / HSPA
Stellar 509 (Mi-509)
GSM / HSPA
2G bands
Stellar 507 (Mi-507)
GSM 900 / 1800 - SIM 1 & SIM 2
Stellar 509 (Mi-509)
GSM 850 / 900 / 1800 / 1900
3G bands
Stellar 507 (Mi-507)
HSDPA 2100
Stellar 509 (Mi-509)
HSDPA 2100
Speed
Stellar 507 (Mi-507)
HSPA 21.1/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
equal specsRAM
Storage
equal specsMain camera
equal specsFront 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
Stellar 509 (Mi-509)
HSPA 21.1/5.76 Mbps
Announced
Stellar 507 (Mi-507)
2014, August. Released 2014, August
Stellar 509 (Mi-509)
2014, May. Released 2014, May
Status
Stellar 507 (Mi-507)
Discontinued
Stellar 509 (Mi-509)
Discontinued
Dimensions
Stellar 507 (Mi-507)
145.2 x 72.7 x 10.7 mm (5.72 x 2.86 x 0.42 in)
Stellar 509 (Mi-509)
145 x 79 x 9.5 mm (5.71 x 3.11 x 0.37 in)
Weight
Stellar 507 (Mi-507)
184 g (6.49 oz)
Stellar 509 (Mi-509)
120 g (4.23 oz)
SIM
Stellar 507 (Mi-507)
Dual SIM (Mini-SIM/ Micro-SIM)
Stellar 509 (Mi-509)
Mini-SIM
Type
Stellar 507 (Mi-507)
TFT, 256K colors
Stellar 509 (Mi-509)
IPS LCD
Size
Stellar 507 (Mi-507)
5.0 inches, 68.9 cm2 (~65.3% screen-to-body ratio)
Stellar 509 (Mi-509)
5.0 inches, 68.9 cm2 (~60.1% screen-to-body ratio)
Resolution
Stellar 507 (Mi-507)
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
Stellar 507 (Mi-507)
Android 4.4.2 (KitKat)
Stellar 509 (Mi-509)
Android 4.4.2 (KitKat)
Chipset
Stellar 507 (Mi-507)
Mediatek MT6572 (28 nm)
Stellar 509 (Mi-509)
Mediatek MT6582M (28 nm)
CPU
Stellar 507 (Mi-507)
Dual-core 1.3 GHz Cortex-A7
Stellar 509 (Mi-509)
Quad-core 1.3 GHz Cortex-A7
GPU
Stellar 507 (Mi-507)
Mali-400
Stellar 509 (Mi-509)
Mali-400MP2
Card slot
Stellar 507 (Mi-507)
microSDHC
Stellar 509 (Mi-509)
microSDHC (dedicated slot)
Internal
Stellar 507 (Mi-507)
4GB 512MB RAM
Stellar 509 (Mi-509)
4GB 1GB RAM
Single
Stellar 507 (Mi-507)
8 MP, AF
Stellar 509 (Mi-509)
8 MP, AF
Features
Stellar 507 (Mi-507)
LED flash, panorama
Stellar 509 (Mi-509)
LED flash, panorama, HDR
Video
Stellar 507 (Mi-507)
720p@30fps
Stellar 509 (Mi-509)
720p@30fps
Single
Stellar 507 (Mi-507)
1.3 MP
Stellar 509 (Mi-509)
2 MP
Video
Stellar 507 (Mi-507)
Stellar 509 (Mi-509)
Loudspeaker
Stellar 507 (Mi-507)
Yes
Stellar 509 (Mi-509)
Yes
3.5mm jack
Stellar 507 (Mi-507)
Yes
Stellar 509 (Mi-509)
Yes
WLAN
Stellar 507 (Mi-507)
Wi-Fi 802.11 b/g/n, hotspot
Stellar 509 (Mi-509)
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth
Stellar 507 (Mi-507)
4.0, A2DP, EDR
Stellar 509 (Mi-509)
3.0, A2DP
Positioning
Stellar 507 (Mi-507)
GPS
Stellar 509 (Mi-509)
GPS
NFC
Stellar 507 (Mi-507)
No
Stellar 509 (Mi-509)
No
Radio
Stellar 507 (Mi-507)
FM radio
Stellar 509 (Mi-509)
FM radio
USB
Stellar 507 (Mi-507)
microUSB 2.0
Stellar 509 (Mi-509)
microUSB 2.0
Sensors
Stellar 507 (Mi-507)
Accelerometer, proximity
Stellar 509 (Mi-509)
Accelerometer, proximity
Type
Stellar 507 (Mi-507)
Li-Ion 1800 mAh battery
Stellar 509 (Mi-509)
Li-Ion 2000 mAh battery
Stand-by
Stellar 507 (Mi-507)
Up to 200 h
Stellar 509 (Mi-509)
Up to 170 h
Talk time
Stellar 507 (Mi-507)
Up to 8 h
Stellar 509 (Mi-509)
Up to 4 h 30 min
Music play
Stellar 507 (Mi-507)
Up to 28 h
Stellar 509 (Mi-509)
Up to 30 h
Colors
Stellar 507 (Mi-507)
Red/Black, Blue/Black
Stellar 509 (Mi-509)
White
SAR EU
Stellar 507 (Mi-507)
0.94 W/kg (head)
Stellar 509 (Mi-509)
0.92 W/kg (head)