Celkon Millennia OCTA510 vs LG Harmony

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: 5.8 g lighter

    Millennia OCTA510:
    136 g
    Harmony:
    141.8 g
  • Width

    Millennia OCTA510: 5.2 mm narrower

    Millennia OCTA510:
    71 mm
    Harmony:
    76.2 mm
  • Screen diagonal

    Millennia OCTA510: 0.3 in smaller diagonal

    Millennia OCTA510:
    5 in
    Harmony:
    5.3 in
  • Chipset

    Millennia OCTA510:
    Mediatek MT6592M (28 nm)
    Harmony:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Depth

    Harmony: 1.5 mm thinner

    Millennia OCTA510:
    9.1 mm
    Harmony:
    7.6 mm
  • Height

    Millennia OCTA510: 6.4 mm shorter

    Millennia OCTA510:
    143.5 mm
    Harmony:
    149.9 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 +1.5 mm versus Harmony
  2. 2. Harmony

    Height:
    149.9 mm +6.4 mm versus Millennia OCTA510
    Width:
    76.2 mm +5.2 mm versus Millennia OCTA510
    Depth:
    7.6 mm

Weight

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

  1. 1. Millennia OCTA510

    136 g

  2. 2. Harmony

    141.8 g

    +5.8 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. Harmony

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

Harmony has approximately 12.4% 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, Harmony, compared at the same storage capacity.
StorageMillennia OCTA510Harmony
8 GB 1 GB RAM Unknown
Harmony: Original memory entry

16 GB · 1.5 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. Harmony

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

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. Harmony

    2800 mAh

    +800 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. Harmony

Everyday essentials
Everyday essentials — specifications for Millennia OCTA510, Harmony.
SpecificationMillennia OCTA510Harmony
Dimensions (HxWxD)
  • 143.5 Х 71 Х 9.1 mm
  • 149.9 Х 76.2 Х 7.6 mm
Weight
  • 136 g
  • 141.8 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5.3" 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
  • 1.5 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 2800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6592M (28 nm)
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia OCTA510, Harmony.
SpecificationMillennia OCTA510Harmony
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 77.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.6%
  • 67.8%
PPI /points per inch/
  • 294 PPI
  • 277 PPI
Camera and Video
Camera and Video — specifications for Millennia OCTA510, Harmony.
SpecificationMillennia OCTA510Harmony
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 3.15 MP
  • 5 MP
Performance
Performance — specifications for Millennia OCTA510, Harmony.
SpecificationMillennia OCTA510Harmony
Processor CPU
  • Octa-core 1.4 GHz Cortex-A7
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-450MP4
  • Adreno 308
General specs
General specs — specifications for Millennia OCTA510, Harmony.
SpecificationMillennia OCTA510Harmony
Release date
  • 2015
  • January
  • 2017
  • April
Colors
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 90 EUR
Battery life Unknown
  • Stand by time- Up to 350 h (3G) Talking time- Up to 14 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Millennia OCTA510, Harmony.
SpecificationMillennia OCTA510Harmony
SIM card
  • Dual SIM
  • Nano-SIM
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 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Millennia OCTA510, Harmony.
SpecificationMillennia OCTA510Harmony
Radio
  • FM radio
  • Yes
Other features
Other features — specifications for Millennia OCTA510, Harmony.
SpecificationMillennia OCTA510Harmony
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass - For Cricket Wireless