Celkon Millennia Hero vs Spice Mi-425 Stellar

Compare recorded specifications, size and practical differences.

+ Add a third phone

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Depth

    Millennia Hero: 1.5 mm thinner

    Millennia Hero:
    11 mm
    Mi-425 Stellar:
    12.5 mm
  • Release year

    Millennia Hero:
    2015
    Mi-425 Stellar:
    2012

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. Millennia Hero

    Height:
    125 mm
    Width:
    64 mm
    Depth:
    11 mm
  2. 2. Mi-425 Stellar

    Height:
    125 mm
    Width:
    63.5 mm
    Depth:
    12.5 mm +1.5 mm versus Millennia Hero

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Millennia Hero

    113 g

    +3 g versus Mi-425 Stellar

  2. 2. Mi-425 Stellar

    110 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. Millennia Hero

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Mi-425 Stellar

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Millennia Hero, Mi-425 Stellar, compared at the same storage capacity.
StorageMillennia HeroMi-425 Stellar
8 GB 1 GB RAM Unknown
Mi-425 Stellar: Original memory entry

149 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Millennia Hero

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Mi-425 Stellar

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Millennia Hero

    1700 mAh

  2. 2. Mi-425 Stellar

    2000 mAh

    +300 mAh versus Millennia Hero

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Millennia Hero2. Mi-425 Stellar

Everyday essentials
Everyday essentials — specifications for Millennia Hero, Mi-425 Stellar.
SpecificationMillennia HeroMi-425 Stellar
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 125 Х 63.5 Х 12.5 mm
Weight
  • 113 g
  • 110 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 149 MB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia Hero, Mi-425 Stellar.
SpecificationMillennia HeroMi-425 Stellar
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 45.5 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 56.9%
  • 57.4%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Millennia Hero, Mi-425 Stellar.
SpecificationMillennia HeroMi-425 Stellar
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 3.2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 3.2 MP
  • VGA
Performance
Performance — specifications for Millennia Hero, Mi-425 Stellar.
SpecificationMillennia HeroMi-425 Stellar
Processor CPU
  • Quad-core 1.2 GHz
  • 1.0 GHz
General specs
General specs — specifications for Millennia Hero, Mi-425 Stellar.
SpecificationMillennia HeroMi-425 Stellar
Release date
  • 2015
  • August
  • 2012
  • June
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
  • white/black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 90 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, Mi-425 Stellar.
SpecificationMillennia HeroMi-425 Stellar
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800
Speed
  • HSPA
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 2.0
  • Yes
Harmful irradiation
  • SAR EU - 0.34 W/kg (head) 0.76 W/kg (body)
  • SAR EU - 0.36 W/kg (head)
Music and Audio
Music and Audio — specifications for Millennia Hero, Mi-425 Stellar.
SpecificationMillennia HeroMi-425 Stellar
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Millennia Hero, Mi-425 Stellar.
SpecificationMillennia HeroMi-425 Stellar
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass - MP4/WMV/H.263 player -MP3/WAV/AAC+ player -Organizer -Document viewer -Photo/video editor -Voice memo -Predictive text input