Celkon Millennia Hero vs Philips D822

Compare recorded specifications, size and practical differences.

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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.

  • Weight

    Millennia Hero: 52 g lighter

    Millennia Hero:
    113 g
    D822:
    165 g
  • Screen diagonal

    D822: 0.5 in smaller diagonal

    Millennia Hero:
    4 in
    D822:
    3.5 in
  • Depth

    Millennia Hero: 3.9 mm thinner

    Millennia Hero:
    11 mm
    D822:
    14.9 mm
  • Height

    D822: 4.2 mm shorter

    Millennia Hero:
    125 mm
    D822:
    120.8 mm
  • Release year

    Millennia Hero:
    2015
    D822:
    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 +4.2 mm versus D822
    Width:
    64 mm
    Depth:
    11 mm
  2. 2. D822

    Height:
    120.8 mm
    Width:
    63.8 mm
    Depth:
    14.9 mm +3.9 mm versus Millennia Hero

Weight

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

  1. 1. Millennia Hero

    113 g

  2. 2. D822

    165 g

    +52 g versus Millennia Hero

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. D822

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Millennia Hero has approximately 24.8% more rectangular screen area than D822.

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, D822, compared at the same storage capacity.
StorageMillennia HeroD822
8 GB 1 GB RAM Unknown
D822: Original memory entry

512 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. D822

NFC:
Unknown
Headphone jack:
No
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. D822

    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. D822

Everyday essentials
Everyday essentials — specifications for Millennia Hero, D822.
SpecificationMillennia HeroD822
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 120.8 Х 63.8 Х 14.9 mm
Weight
  • 113 g
  • 165 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 512 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 2.2 (Froyo)
Headphone jack
  • Yes
  • No
Display
Display — specifications for Millennia Hero, D822.
SpecificationMillennia HeroD822
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 45.5 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 56.9%
  • 47.3%
PPI /points per inch/
  • 233 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Millennia Hero, D822.
SpecificationMillennia HeroD822
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • Yes
  • 480p@30fps
Front camera, selfie
  • 3.2 MP
  • Single
  • 0 MP,
Specifications
  • 3.2 MP
Unknown
Performance
Performance — specifications for Millennia Hero, D822.
SpecificationMillennia HeroD822
Processor CPU
  • Quad-core 1.2 GHz
Unknown
General specs
General specs — specifications for Millennia Hero, D822.
SpecificationMillennia HeroD822
Release date
  • 2015
  • August
  • 2012
  • January
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
  • Black
Battery life Unknown
  • Stand by time- Up to 340 h Talking time- Up to 10 h
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, D822.
SpecificationMillennia HeroD822
SIM card
  • Dual SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Yes
  • No
Edge
  • Yes
  • No
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
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 0.34 W/kg (head) 0.76 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Millennia Hero, D822.
SpecificationMillennia HeroD822
Radio
  • FM radio
  • No
Other features
Other features — specifications for Millennia Hero, D822.
SpecificationMillennia HeroD822
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer MP3/WAV/AAC+ player -MP4/H.263 player -Organizer -Voice memo -Predictive text input