Celkon Millennia Hero vs Plum Sync

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.

  • Width

    Sync: 1.6 mm narrower

    Millennia Hero:
    64 mm
    Sync:
    62.4 mm
  • Screen diagonal

    Sync: 0.5 in smaller diagonal

    Millennia Hero:
    4 in
    Sync:
    3.5 in
  • Depth

    Millennia Hero: 0.5 mm thinner

    Millennia Hero:
    11 mm
    Sync:
    11.5 mm
  • Height

    Sync: 7 mm shorter

    Millennia Hero:
    125 mm
    Sync:
    118 mm
  • Release year

    Millennia Hero:
    2015
    Sync:
    2013

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 +7 mm versus Sync
    Width:
    64 mm +1.6 mm versus Sync
    Depth:
    11 mm
  2. 2. Sync

    Height:
    118 mm
    Width:
    62.4 mm
    Depth:
    11.5 mm +0.5 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 Sync

  2. 2. Sync

    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. Sync

    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 Sync.

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

512 MB · 256 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. Sync

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

    +600 mAh versus Sync

  2. 2. Sync

    1100 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. Sync

Everyday essentials
Everyday essentials — specifications for Millennia Hero, Sync.
SpecificationMillennia HeroSync
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 118 Х 62.4 Х 11.5 mm
Weight
  • 113 g
  • 110 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
  • 256 MB RAM
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
  • 1100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 4.2 (Jelly Bean)
Chipset Unknown
  • Mediatek MT6572 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia Hero, Sync.
SpecificationMillennia HeroSync
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%
  • 49.5%
PPI /points per inch/
  • 233 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Millennia Hero, Sync.
SpecificationMillennia HeroSync
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 3.2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 3.2 MP
  • 5 MP
Performance
Performance — specifications for Millennia Hero, Sync.
SpecificationMillennia HeroSync
Processor CPU
  • Quad-core 1.2 GHz
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for Millennia Hero, Sync.
SpecificationMillennia HeroSync
Release date
  • 2015
  • August
  • 2013
  • September
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
  • Black
  • White
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, Sync.
SpecificationMillennia HeroSync
SIM card
  • Dual SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
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
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, Sync.
SpecificationMillennia HeroSync
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for Millennia Hero, Sync.
SpecificationMillennia HeroSync
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass - X210 Dual SIM X211 Single SIM