Celkon Millennia Everest vs Oppo A12

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

    A12: 2.5 mm narrower

    Millennia Everest:
    78 mm
    A12:
    75.5 mm
  • Screen diagonal

    Millennia Everest: 0.72 in smaller diagonal

    Millennia Everest:
    5.5 in
    A12:
    6.22 in
  • Chipset

    Millennia Everest:
    Spreadtrum SC7731
    A12:
    Mediatek MT6765 Helio P35 (12nm)
  • Rear camera layout

    Millennia Everest:
    Single
    A12:
    Dual
  • Depth

    A12: 0.8 mm thinner

    Millennia Everest:
    9.1 mm
    A12:
    8.3 mm
  • Release year

    Millennia Everest:
    2015
    A12:
    2020

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 Everest

    Height:
    157 mm
    Width:
    78 mm +2.5 mm versus A12
    Depth:
    9.1 mm +0.8 mm versus A12
    Weight:
    Unknown
  2. 2. A12

    Height:
    155.9 mm
    Width:
    75.5 mm
    Depth:
    8.3 mm
    Weight:
    165 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 Everest

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. A12

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

A12 has approximately 15.8% more rectangular screen area than Millennia Everest.

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 Everest, A12, compared at the same storage capacity.
StorageMillennia EverestA12
8 GB 1 GB RAM Not recorded
32 GB Not recorded 3 GB RAM
64 GB Not recorded 4 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 Everest

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. A12

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

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 Everest

    2500 mAh

  2. 2. A12

    4230 mAh

    +1730 mAh versus Millennia Everest

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 Everest2. A12

Everyday essentials
Everyday essentials — specifications for Millennia Everest, A12.
SpecificationMillennia EverestA12
Dimensions (HxWxD)
  • 157 Х 78 Х 9.1 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 0 g
  • 165 g
Technology Unknown
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.22" inch
Screen resolution
  • 480 x 854 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
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Spreadtrum SC7731
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia Everest, A12.
SpecificationMillennia EverestA12
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 83.4 cm2
  • 96.6 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 68.1%
  • 82.0%
PPI /points per inch/
  • 178 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Millennia Everest, A12.
SpecificationMillennia EverestA12
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 5 MP
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 3.2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 3.2 MP
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance
Performance — specifications for Millennia Everest, A12.
SpecificationMillennia EverestA12
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU Unknown
  • PowerVR GE8320
General specs
General specs — specifications for Millennia Everest, A12.
SpecificationMillennia EverestA12
Release date
  • 2015
  • August
  • 2020
  • April 20
Colors
  • Black
  • White
  • Blue
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Everest, A12.
SpecificationMillennia EverestA12
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)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.33 W/kg (head) 0.25 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Millennia Everest, A12.
SpecificationMillennia EverestA12
Radio
  • FM radio
  • FM radio
Others Unknown
  • 450 nits typ. brightness
Other features
Other features — specifications for Millennia Everest, A12.
SpecificationMillennia EverestA12
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass