Screen size
Mi-451 3G—
Stellar 439 (Mi-439)Winner: 4.0"
Quick verdict
Stellar 439 (Mi-439) leads the measured specs 7-3.
Measured wins
Mi-451 3G
3
spec wins
Ties
6
equal specs
Stellar 439 (Mi-439)
7
spec wins
Overall winner
Screen size
Technology
Mi-451 3G
GSM / HSPA
Stellar 439 (Mi-439)
GSM / HSPA
2G bands
Mi-451 3G
GSM 900 / 1800 - SIM 1 & SIM 2
Stellar 439 (Mi-439)
GSM 900 / 1800 - SIM 1 & SIM 2
3G bands
Mi-451 3G
HSDPA 2100
Stellar 439 (Mi-439)
HSDPA 2100
Speed
Mi-451 3G
HSPA
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Stellar 439 (Mi-439)
HSPA 21.1/5.76 Mbps
Announced
Mi-451 3G
2014. Released 2014
Stellar 439 (Mi-439)
2014, August. Released 2014, August
Status
Mi-451 3G
Discontinued
Stellar 439 (Mi-439)
Discontinued
Dimensions
Mi-451 3G
134.5 x 69.5 x 8.7 mm (5.30 x 2.74 x 0.34 in)
Stellar 439 (Mi-439)
125 x 63 x 10 mm (4.92 x 2.48 x 0.39 in)
Weight
Mi-451 3G
156 g (5.50 oz)
Stellar 439 (Mi-439)
113.8 g (4.02 oz)
SIM
Mi-451 3G
Dual SIM
Stellar 439 (Mi-439)
Dual SIM (Mini-SIM)
Type
Mi-451 3G
TFT
Stellar 439 (Mi-439)
TFT, 256K colors
Size
Mi-451 3G
, -
Stellar 439 (Mi-439)
4.0 inches, 45.5 cm2 (~57.8% screen-to-body ratio)
Resolution
Mi-451 3G
480 x 854 pixels, 16:9 ratio
Stellar 439 (Mi-439)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
Mi-451 3G
Android 4.4 (KitKat)
Stellar 439 (Mi-439)
Android 4.4.2 (KitKat)
Chipset
Mi-451 3G
-
Stellar 439 (Mi-439)
Mediatek MT6572M (28 nm)
CPU
Mi-451 3G
-
Stellar 439 (Mi-439)
Dual-core 1.0 GHz Cortex-A7
GPU
Mi-451 3G
-
Stellar 439 (Mi-439)
Mali-400
Card slot
Mi-451 3G
microSDHC
Stellar 439 (Mi-439)
microSDHC
Internal
Mi-451 3G
-
Stellar 439 (Mi-439)
4GB 512MB RAM
Single
Mi-451 3G
3.15 MP
Stellar 439 (Mi-439)
3.15 MP
Video
Mi-451 3G
Yes
Stellar 439 (Mi-439)
720p@25fps
Single
Mi-451 3G
1.3 MP
Stellar 439 (Mi-439)
1.3 MP
Video
Mi-451 3G
Stellar 439 (Mi-439)
Loudspeaker
Mi-451 3G
Yes
Stellar 439 (Mi-439)
Yes, dual speakers
3.5mm jack
Mi-451 3G
Yes
Stellar 439 (Mi-439)
Yes
WLAN
Mi-451 3G
Wi-Fi 802.11 b/g/n
Stellar 439 (Mi-439)
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Mi-451 3G
2.0
Stellar 439 (Mi-439)
3.0, A2DP
Positioning
Mi-451 3G
A-GPS only
Stellar 439 (Mi-439)
A-GPS
NFC
Mi-451 3G
No
Stellar 439 (Mi-439)
No
Radio
Mi-451 3G
FM radio
Stellar 439 (Mi-439)
FM radio
USB
Mi-451 3G
microUSB
Stellar 439 (Mi-439)
microUSB 2.0
Sensors
Mi-451 3G
Accelerometer
Stellar 439 (Mi-439)
Accelerometer
Type
Mi-451 3G
Li-Ion 1450 mAh battery
Stellar 439 (Mi-439)
Li-Ion 1400 mAh battery
Stand-by
Mi-451 3G
Up to 60 h
Stellar 439 (Mi-439)
Up to 58 h
Talk time
Mi-451 3G
Up to 5 h 30 min
Stellar 439 (Mi-439)
Up to 5 h 30 min
Music play
Mi-451 3G
-
Stellar 439 (Mi-439)
Up to 15 h
Colors
Mi-451 3G
White, Gray
Stellar 439 (Mi-439)
Brown, Silver
SAR EU
Mi-451 3G
-
Stellar 439 (Mi-439)
0.85 W/kg (head)