Screen size
Mi-451 3G—
Stellar 440 (Mi-440)Winner: 4.0"
Quick verdict
Stellar 440 (Mi-440) leads the measured specs 6-3.
Measured wins
Mi-451 3G
3
spec wins
Ties
7
equal specs
Stellar 440 (Mi-440)
6
spec wins
Overall winner
Screen size
Technology
Mi-451 3G
GSM / HSPA
Stellar 440 (Mi-440)
GSM / HSPA
2G bands
Mi-451 3G
GSM 900 / 1800 - SIM 1 & SIM 2
Stellar 440 (Mi-440)
GSM 900 / 1800
3G bands
Mi-451 3G
HSDPA 2100
Stellar 440 (Mi-440)
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
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Stellar 440 (Mi-440)
HSPA 21.1/5.76 Mbps
Announced
Mi-451 3G
2014. Released 2014
Stellar 440 (Mi-440)
2014, December. Released 2014, December
Status
Mi-451 3G
Discontinued
Stellar 440 (Mi-440)
Discontinued
Dimensions
Mi-451 3G
134.5 x 69.5 x 8.7 mm (5.30 x 2.74 x 0.34 in)
Stellar 440 (Mi-440)
127.6 x 63.8 x 11.5 mm (5.02 x 2.51 x 0.45 in)
Weight
Mi-451 3G
156 g (5.50 oz)
Stellar 440 (Mi-440)
119 g (4.20 oz)
SIM
Mi-451 3G
Dual SIM
Stellar 440 (Mi-440)
Mini-SIM
Type
Mi-451 3G
TFT
Stellar 440 (Mi-440)
TFT, 256K colors
Size
Mi-451 3G
, -
Stellar 440 (Mi-440)
4.0 inches, 45.5 cm2 (~55.9% screen-to-body ratio)
Resolution
Mi-451 3G
480 x 854 pixels, 16:9 ratio
Stellar 440 (Mi-440)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
Mi-451 3G
Android 4.4 (KitKat)
Stellar 440 (Mi-440)
Android 4.4.2 (KitKat)
Chipset
Mi-451 3G
-
Stellar 440 (Mi-440)
Mediatek MT6572 (28 nm)
CPU
Mi-451 3G
-
Stellar 440 (Mi-440)
Dual-core 1.0 GHz Cortex-A7
GPU
Mi-451 3G
-
Stellar 440 (Mi-440)
Mali-400
Card slot
Mi-451 3G
microSDHC
Stellar 440 (Mi-440)
microSDHC (dedicated slot)
Internal
Mi-451 3G
-
Stellar 440 (Mi-440)
4GB 512MB RAM
Single
Mi-451 3G
3.15 MP
Stellar 440 (Mi-440)
3.15 MP
Video
Mi-451 3G
Yes
Stellar 440 (Mi-440)
480p@25fps
Features
Mi-451 3G
-
Stellar 440 (Mi-440)
LED flash
Single
Mi-451 3G
1.3 MP
Stellar 440 (Mi-440)
1.3 MP
Video
Mi-451 3G
Stellar 440 (Mi-440)
Loudspeaker
Mi-451 3G
Yes
Stellar 440 (Mi-440)
Yes, dual speakers
3.5mm jack
Mi-451 3G
Yes
Stellar 440 (Mi-440)
Yes
WLAN
Mi-451 3G
Wi-Fi 802.11 b/g/n
Stellar 440 (Mi-440)
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Mi-451 3G
2.0
Stellar 440 (Mi-440)
2.0, A2DP
Positioning
Mi-451 3G
A-GPS only
Stellar 440 (Mi-440)
GPS
NFC
Mi-451 3G
No
Stellar 440 (Mi-440)
No
Radio
Mi-451 3G
FM radio
Stellar 440 (Mi-440)
FM radio
USB
Mi-451 3G
microUSB
Stellar 440 (Mi-440)
microUSB 2.0
Sensors
Mi-451 3G
Accelerometer
Stellar 440 (Mi-440)
Accelerometer
Type
Mi-451 3G
Li-Ion 1450 mAh battery
Stellar 440 (Mi-440)
Li-Ion 1400 mAh battery
Stand-by
Mi-451 3G
Up to 60 h
Stellar 440 (Mi-440)
Up to 72 h
Talk time
Mi-451 3G
Up to 5 h 30 min
Stellar 440 (Mi-440)
Up to 8 h
Music play
Mi-451 3G
-
Stellar 440 (Mi-440)
Up to 15 h
Colors
Mi-451 3G
White, Gray
Stellar 440 (Mi-440)
Gray
SAR EU
Mi-451 3G
-
Stellar 440 (Mi-440)
0.58 W/kg (head)