Celkon Millennia Hero vs Oppo Realme 3

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: 62 g lighter

    Millennia Hero:
    113 g
    Realme 3:
    175 g
  • Width

    Millennia Hero: 11.6 mm narrower

    Millennia Hero:
    64 mm
    Realme 3:
    75.6 mm
  • Screen diagonal

    Millennia Hero: 2.22 in smaller diagonal

    Millennia Hero:
    4 in
    Realme 3:
    6.22 in
  • Depth

    Realme 3: 2.7 mm thinner

    Millennia Hero:
    11 mm
    Realme 3:
    8.3 mm
  • Height

    Millennia Hero: 31.1 mm shorter

    Millennia Hero:
    125 mm
    Realme 3:
    156.1 mm
  • Release year

    Millennia Hero:
    2015
    Realme 3:
    2019

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 +2.7 mm versus Realme 3
  2. 2. Realme 3

    Height:
    156.1 mm +31.1 mm versus Millennia Hero
    Width:
    75.6 mm +11.6 mm versus Millennia Hero
    Depth:
    8.3 mm

Weight

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

  1. 1. Millennia Hero

    113 g

  2. 2. Realme 3

    175 g

    +62 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. Realme 3

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

Realme 3 has approximately 112% 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, Realme 3, compared at the same storage capacity.
StorageMillennia HeroRealme 3
8 GB 1 GB RAM Unknown
Realme 3: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. Realme 3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Realme 3

    4230 mAh

    +2530 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. Realme 3

Everyday essentials
Everyday essentials — specifications for Millennia Hero, Realme 3.
SpecificationMillennia HeroRealme 3
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 156.1 Х 75.6 Х 8.3 mm
Weight
  • 113 g
  • 175 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 6.22" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Li-Ion
  • 4230 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 9.0 (Pie); ColorOS 6
Chipset Unknown
  • Mediatek MT6771 Helio P60 (12 nm) -Mediatek Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia Hero, Realme 3.
SpecificationMillennia HeroRealme 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 96.6 cm2
Screen format
  • 5:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 56.9%
  • 81.8%
PPI /points per inch/
  • 233 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Millennia Hero, Realme 3.
SpecificationMillennia HeroRealme 3
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 3.2 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 3.2 MP
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
Performance

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

Performance — specifications for Millennia Hero, Realme 3.
SpecificationMillennia HeroRealme 3
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) -Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 137126
Antutu 8 score * Unknown
  • 148128
GeekBench 5 Single Core * Unknown
  • 273
GeekBench 5 Multi-Core * Unknown
  • 1126
General specs
General specs — specifications for Millennia Hero, Realme 3.
SpecificationMillennia HeroRealme 3
Release date
  • 2015
  • August
  • 2019
  • March
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
  • Black
  • Dynamic Black
  • Radiant Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 9000 INR
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, Realme 3.
SpecificationMillennia HeroRealme 3
SIM card
  • Dual SIM
  • Dual SIM (Nano-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 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat12 600/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
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, Realme 3.
SpecificationMillennia HeroRealme 3
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Millennia Hero, Realme 3.
SpecificationMillennia HeroRealme 3
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 10W