Celkon Millennia Hero vs Sendo X

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

    Millennia Hero: 7 g lighter

    Millennia Hero:
    113 g
    X:
    120 g
  • Width

    X: 15 mm narrower

    Millennia Hero:
    64 mm
    X:
    49 mm
  • Screen diagonal

    X: 1.8 in smaller diagonal

    Millennia Hero:
    4 in
    X:
    2.2 in
  • Depth

    Millennia Hero: 12 mm thinner

    Millennia Hero:
    11 mm
    X:
    23 mm
  • Height

    X: 15 mm shorter

    Millennia Hero:
    125 mm
    X:
    110 mm
  • Release year

    Millennia Hero:
    2015
    X:
    2003

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 +15 mm versus X
    Width:
    64 mm +15 mm versus X
    Depth:
    11 mm
  2. 2. X

    Height:
    110 mm
    Width:
    49 mm
    Depth:
    23 mm +12 mm versus Millennia Hero

Weight

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

  1. 1. Millennia Hero

    113 g

  2. 2. X

    120 g

    +7 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Millennia Hero

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

    X: Screen geometry unavailable or conflicting.

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

32 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. X

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SD

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 X

  2. 2. X

    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. X

Everyday essentials
Everyday essentials — specifications for Millennia Hero, X.
SpecificationMillennia HeroX
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 110 Х 49 Х 23 mm
Weight
  • 113 g
  • 120 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 2.2" inch
Screen resolution
  • 480 x 800 px
  • 176 x 220 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 32 MB
Memory card support
  • microSD
  • up to 32 GB
  • MMC/SD
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Li-Ion
  • 1050 mAh
  • Removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop)
  • Symbian 6.1
  • Series 60 v1.0 UI
Chipset Unknown
  • TI OMAP 5910
Headphone jack
  • Yes
  • No
Display
Display — specifications for Millennia Hero, X.
SpecificationMillennia HeroX
Touchscreen
  • capacitive touchscreen
Unknown
Display colors Unknown
  • 65K
Screen area
  • 45.5 cm2
  • 15.2 cm2
Screen format
  • 5:3 (height:width)
Unknown
Screen to body ratio
  • 56.9%
  • 28.3%
PPI /points per inch/
  • 233 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Millennia Hero, X.
SpecificationMillennia HeroX
Rear camera, main
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 5 MP
Unknown
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 3.2 MP
  • Single
  • 0 MP,
Specifications
  • 3.2 MP
Unknown
Performance
Performance — specifications for Millennia Hero, X.
SpecificationMillennia HeroX
Processor CPU
  • Quad-core 1.2 GHz
  • 120 MHz ARM925T
General specs
General specs — specifications for Millennia Hero, X.
SpecificationMillennia HeroX
Release date
  • 2015
  • August
  • 2003
  • Q4
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
Unknown
Battery life Unknown
  • Stand by time- Up to 170 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, X.
SpecificationMillennia HeroX
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 8
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 2.0
  • 1.1
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, X.
SpecificationMillennia HeroX
Radio
  • FM radio
  • No
Other features
Other features — specifications for Millennia Hero, X.
SpecificationMillennia HeroX
Dop
  • Sensors Accelerometer
  • Infrared port - MP4/MP3 player -Sync ML