Celkon Millennia OCTA510 vs Sharp Z2

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: 24 g lighter

    Millennia OCTA510:
    136 g
    Z2:
    160 g
  • Width

    Millennia OCTA510: 5 mm narrower

    Millennia OCTA510:
    71 mm
    Z2:
    76 mm
  • Screen diagonal

    Millennia OCTA510: 0.5 in smaller diagonal

    Millennia OCTA510:
    5 in
    Z2:
    5.5 in
  • Chipset

    Millennia OCTA510:
    Mediatek MT6592M (28 nm)
    Z2:
    Mediatek MT6797 Helio X20 (20 nm)
  • Depth

    Z2: 0.7 mm thinner

    Millennia OCTA510:
    9.1 mm
    Z2:
    8.4 mm
  • Height

    Millennia OCTA510: 9.5 mm shorter

    Millennia OCTA510:
    143.5 mm
    Z2:
    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 +0.7 mm versus Z2
  2. 2. Z2

    Height:
    153 mm +9.5 mm versus Millennia OCTA510
    Width:
    76 mm +5 mm versus Millennia OCTA510
    Depth:
    8.4 mm

Weight

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

  1. 1. Millennia OCTA510

    136 g

  2. 2. Z2

    160 g

    +24 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.

  1. 1. Millennia OCTA510

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Z2

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

Z2 has approximately 21% more rectangular screen area than Millennia OCTA510.

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, Z2, compared at the same storage capacity.
StorageMillennia OCTA510Z2
8 GB 1 GB RAM Unknown
Z2: Original memory entry

32 GB · 512GB 4GB

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. Z2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Z2

    3000 mAh

    +1000 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. Z2

Everyday essentials
Everyday essentials — specifications for Millennia OCTA510, Z2.
SpecificationMillennia OCTA510Z2
Dimensions (HxWxD)
  • 143.5 Х 71 Х 9.1 mm
  • 153 Х 76 Х 8.4 mm
Weight
  • 136 g
  • 160 g
Technology
  • IPS LCD
  • LTPS IPS LCD
Screen size
  • 5" inch
  • 5.5" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 32 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6592M (28 nm)
  • Mediatek MT6797 Helio X20 (20 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia OCTA510, Z2.
SpecificationMillennia OCTA510Z2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.6%
  • 71.7%
PPI /points per inch/
  • 294 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for Millennia OCTA510, Z2.
SpecificationMillennia OCTA510Z2
Rear camera, main
  • 8 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 8 MP
  • 16 MP
  • PDAF
Functions
  • Dual-LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 3.15 MP
  • 8 MP
Performance

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

Performance — specifications for Millennia OCTA510, Z2.
SpecificationMillennia OCTA510Z2
Processor CPU
  • Octa-core 1.4 GHz Cortex-A7
  • Deca-core (2x2.3GHz Cortex-A72
  • 4x2.0GHz Cortex-A53
  • 4x1.4GHz Cortex-A53)
Graphics processor GPU
  • Mali-450MP4
  • Mali-T880 MP4
Antutu 7 score * Unknown
  • 85326
General specs
General specs — specifications for Millennia OCTA510, Z2.
SpecificationMillennia OCTA510Z2
Release date
  • 2015
  • January
  • 2016
  • October
Colors
  • White
  • Silver
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 330 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Millennia OCTA510, Z2.
SpecificationMillennia OCTA510Z2
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB Host
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Millennia OCTA510, Z2.
SpecificationMillennia OCTA510Z2
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Millennia OCTA510, Z2.
SpecificationMillennia OCTA510Z2
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port