Celkon Millennia Hero vs Haier G51

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: 42 g lighter

    Millennia Hero:
    113 g
    G51:
    155 g
  • Width

    Millennia Hero: 8.9 mm narrower

    Millennia Hero:
    64 mm
    G51:
    72.9 mm
  • Screen diagonal

    Millennia Hero: 1 in smaller diagonal

    Millennia Hero:
    4 in
    G51:
    5 in
  • Depth

    G51: 1.9 mm thinner

    Millennia Hero:
    11 mm
    G51:
    9.1 mm
  • Height

    Millennia Hero: 17.6 mm shorter

    Millennia Hero:
    125 mm
    G51:
    142.6 mm
  • Release year

    Millennia Hero:
    2015
    G51:
    2017

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 +1.9 mm versus G51
  2. 2. G51

    Height:
    142.6 mm +17.6 mm versus Millennia Hero
    Width:
    72.9 mm +8.9 mm versus Millennia Hero
    Depth:
    9.1 mm

Weight

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

  1. 1. Millennia Hero

    113 g

  2. 2. G51

    155 g

    +42 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. G51

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

G51 has approximately 51.3% more rectangular screen area than Millennia Hero.

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, G51, compared at the same storage capacity.
StorageMillennia HeroG51
8 GB Recorded for all phones 1 GB RAM 1 GB 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. G51

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. G51

    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. G51

Everyday essentials
Everyday essentials — specifications for Millennia Hero, G51.
SpecificationMillennia HeroG51
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 142.6 Х 72.9 Х 9.1 mm
Weight
  • 113 g
  • 155 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 8 GB
  • 1 GB 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
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 7.0 (Nougat)
Chipset Unknown
  • Mediatek MT6737M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia Hero, G51.
SpecificationMillennia HeroG51
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.9%
  • 66.3%
PPI /points per inch/
  • 233 PPI
  • 196 PPI
Screen protection Unknown
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for Millennia Hero, G51.
SpecificationMillennia HeroG51
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
  • AF
  • f/2.0
Functions
  • LED flash
  • Dual-LED dual-tone flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 3.2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 3.2 MP
  • 5 MP
  • f/2.4
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Millennia Hero, G51.
SpecificationMillennia HeroG51
Processor CPU
  • Quad-core 1.2 GHz
  • Quad-core 1.25 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720MP1
Antutu 7 score * Unknown
  • 29322
General specs
General specs — specifications for Millennia Hero, G51.
SpecificationMillennia HeroG51
Release date
  • 2015
  • August
  • 2017
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
  • Black
  • Gold
  • White
  • Blue
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, G51.
SpecificationMillennia HeroG51
SIM card
  • Dual SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 HSDPA 850 / 1900 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
Speed
  • HSPA
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.34 W/kg (head) 0.76 W/kg (body)
  • SAR EU - 0.71 W/kg (head) 1.11 W/kg (body)
Music and Audio
Music and Audio — specifications for Millennia Hero, G51.
SpecificationMillennia HeroG51
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Millennia Hero, G51.
SpecificationMillennia HeroG51
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity