Celkon Millennia OCTA510 vs Coolpad Mega

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 OCTA510: 7 g lighter

    Millennia OCTA510:
    136 g
    Mega:
    143 g
  • Width

    Millennia OCTA510: 5.8 mm narrower

    Millennia OCTA510:
    71 mm
    Mega:
    76.8 mm
  • Screen diagonal

    Millennia OCTA510: 0.5 in smaller diagonal

    Millennia OCTA510:
    5 in
    Mega:
    5.5 in
  • Chipset

    Millennia OCTA510:
    Mediatek MT6592M (28 nm)
    Mega:
    Mediatek MT6735P (28 nm)
  • Depth

    Mega: 1.2 mm thinner

    Millennia OCTA510:
    9.1 mm
    Mega:
    7.9 mm
  • Height

    Millennia OCTA510: 9.5 mm shorter

    Millennia OCTA510:
    143.5 mm
    Mega:
    153 mm

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 OCTA510

    Height:
    143.5 mm
    Width:
    71 mm
    Depth:
    9.1 mm +1.2 mm versus Mega
  2. 2. Mega

    Height:
    153 mm +9.5 mm versus Millennia OCTA510
    Width:
    76.8 mm +5.8 mm versus Millennia OCTA510
    Depth:
    7.9 mm

Weight

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

  1. 1. Millennia OCTA510

    136 g

  2. 2. Mega

    143 g

    +7 g versus Millennia OCTA510

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 OCTA510

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

    Mega: 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 OCTA510, Mega, compared at the same storage capacity.
StorageMillennia OCTA510Mega
8 GB 1 GB RAM Not recorded
16 GB Not recorded 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 OCTA510

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

2. Mega

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (uses SIM 2 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 OCTA510

    2000 mAh

  2. 2. Mega

    2500 mAh

    +500 mAh versus Millennia OCTA510

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 OCTA5102. Mega

Everyday essentials
Everyday essentials — specifications for Millennia OCTA510, Mega.
SpecificationMillennia OCTA510Mega
Dimensions (HxWxD)
  • 143.5 Х 71 Х 9.1 mm
  • 153 Х 76.8 Х 7.9 mm
Weight
  • 136 g
  • 143 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5.5" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 16 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 2500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6 (Marshmallow); Cool UI 8
Chipset
  • Mediatek MT6592M (28 nm)
  • Mediatek MT6735P (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia OCTA510, Mega.
SpecificationMillennia OCTA510Mega
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 109.5 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.6%
  • 93.2%
PPI /points per inch/
  • 294 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Millennia OCTA510, Mega.
SpecificationMillennia OCTA510Mega
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • 8 MP
  • AF
  • f/2.2
Functions
  • Dual-LED flash
  • LED flash
Video
  • 720p
  • Yes
Front camera, selfie
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 3.15 MP
  • 8 MP
  • f/2.2
Performance

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

Performance — specifications for Millennia OCTA510, Mega.
SpecificationMillennia OCTA510Mega
Processor CPU
  • Octa-core 1.4 GHz Cortex-A7
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU
  • Mali-450MP4
  • Mali-T720MP2
Antutu 7 score * Unknown
  • 36852
General specs
General specs — specifications for Millennia OCTA510, Mega.
SpecificationMillennia OCTA510Mega
Release date
  • 2015
  • January
  • 2016
  • August
Colors
  • White
  • Gold
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 80 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Millennia OCTA510, Mega.
SpecificationMillennia OCTA510Mega
SIM card
  • Dual SIM
  • Hybrid Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 40(2300)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Millennia OCTA510, Mega.
SpecificationMillennia OCTA510Mega
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Millennia OCTA510, Mega.
SpecificationMillennia OCTA510Mega
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity