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Celkon Millennia Hero vs Nokia E51

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.

  • Weight

    E51: 13 g lighter

    Millennia Hero:
    113 g
    E51:
    100 g
  • Width

    E51: 18 mm narrower

    Millennia Hero:
    64 mm
    E51:
    46 mm
  • Screen diagonal

    E51: 2 in smaller diagonal

    Millennia Hero:
    4 in
    E51:
    2 in
  • Depth

    Millennia Hero: 1 mm thinner

    Millennia Hero:
    11 mm
    E51:
    12 mm
  • Height

    E51: 10.2 mm shorter

    Millennia Hero:
    125 mm
    E51:
    114.8 mm
  • Release year

    Millennia Hero:
    2015
    E51:
    2007

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 +10.2 mm versus E51
    Width:
    64 mm +18 mm versus E51
    Depth:
    11 mm
  2. 2. E51

    Height:
    114.8 mm
    Width:
    46 mm
    Depth:
    12 mm +1 mm versus Millennia Hero

Weight

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

  1. 1. Millennia Hero

    113 g

    +13 g versus E51

  2. 2. E51

    100 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. E51

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

Millennia Hero has approximately 267.6% more rectangular screen area than E51.

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, E51, compared at the same storage capacity.
StorageMillennia HeroE51
8 GB 1 GB RAM Unknown
E51: Original memory entry

130 MB · 96 MB RAM

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. E51

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 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

    +650 mAh versus E51

  2. 2. E51

    1050 mAh

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. E51

Everyday essentials
Everyday essentials — specifications for Millennia Hero, E51.
SpecificationMillennia HeroE51
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 114.8 Х 46 Х 12 mm
Weight
  • 113 g
  • 100 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 2" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 130 MB
  • 96 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Li-Ion
  • 1050 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Headphone jack
  • Yes
  • No
Display
Display — specifications for Millennia Hero, E51.
SpecificationMillennia HeroE51
Touchscreen
  • capacitive touchscreen
Unknown
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 12.4 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 56.9%
  • 23.5%
PPI /points per inch/
  • 233 PPI
  • 200 PPI
Camera and Video
Camera and Video — specifications for Millennia Hero, E51.
SpecificationMillennia HeroE51
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • 320p@15fps
Front camera, selfie
  • 3.2 MP
  • Single
  • 0 MP,
Specifications
  • 3.2 MP
Unknown
Performance
Performance — specifications for Millennia Hero, E51.
SpecificationMillennia HeroE51
Processor CPU
  • Quad-core 1.2 GHz
  • 369 MHz ARM 11
General specs
General specs — specifications for Millennia Hero, E51.
SpecificationMillennia HeroE51
Release date
  • 2015
  • August
  • 2007
  • September
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life Unknown
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, E51.
SpecificationMillennia HeroE51
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 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 32
Edge
  • Yes
  • Class 32
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
GPS
  • A-GPS
  • No
USB
  • microUSB 2.0
  • miniUSB 2.0
Bluetooth
  • 2.0
  • 2.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.34 W/kg (head) 0.76 W/kg (body)
  • SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head)
Music and Audio
Music and Audio — specifications for Millennia Hero, E51.
SpecificationMillennia HeroE51
Radio
  • FM radio
  • FM radio
Others Unknown
  • Five-way scroll key -Downloadable themes
  • 2.5 mm audio jack
Other features
Other features — specifications for Millennia Hero, E51.
SpecificationMillennia HeroE51
Dop
  • Sensors Accelerometer
  • Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) incl. MS Office 2007 support via free update -Predictive text input -Voice command/memo -Organizer