Celkon Millennia Hero vs Lenovo K800

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 48 g lighter

    Millennia Hero:
    113 g
    K800:
    161 g
  • Width

    Millennia Hero: 7.2 mm narrower

    Millennia Hero:
    64 mm
    K800:
    71.2 mm
  • Screen diagonal

    Millennia Hero: 0.5 in smaller diagonal

    Millennia Hero:
    4 in
    K800:
    4.5 in
  • Height

    Millennia Hero: 5.5 mm shorter

    Millennia Hero:
    125 mm
    K800:
    130.5 mm
  • Release year

    Millennia Hero:
    2015
    K800:
    2012

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. 2. K800

    Height:
    130.5 mm +5.5 mm versus Millennia Hero
    Width:
    71.2 mm +7.2 mm versus Millennia Hero
    Depth:
    11 mm

Weight

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

  1. 1. Millennia Hero

    113 g

  2. 2. K800

    161 g

    +48 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. K800

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

K800 has approximately 22.6% 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, K800, compared at the same storage capacity.
StorageMillennia HeroK800
8 GB 1 GB RAM Not recorded
16 GB Not recorded 1 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. K800

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. K800

    1900 mAh

    +200 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. K800

Everyday essentials
Everyday essentials — specifications for Millennia Hero, K800.
SpecificationMillennia HeroK800
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 130.5 Х 71.2 Х 11 mm
Weight
  • 113 g
  • 161 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 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 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Li-Ion
  • 1900 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 2.3.7 (Gingerbread)
Chipset Unknown
  • Intel Atom Z2460
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia Hero, K800.
SpecificationMillennia HeroK800
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.9%
  • 60.1%
PPI /points per inch/
  • 233 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for Millennia Hero, K800.
SpecificationMillennia HeroK800
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • Dual-LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 3.2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 3.2 MP
Unknown
Performance
Performance — specifications for Millennia Hero, K800.
SpecificationMillennia HeroK800
Processor CPU
  • Quad-core 1.2 GHz
  • 1.6 GHz
Graphics processor GPU Unknown
  • PowerVR SGX540
General specs
General specs — specifications for Millennia Hero, K800.
SpecificationMillennia HeroK800
Release date
  • 2015
  • August
  • 2012
  • January
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 190 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, K800.
SpecificationMillennia HeroK800
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 21.1/5.76 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
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
  • A2DP
  • EDR
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, K800.
SpecificationMillennia HeroK800
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Millennia Hero, K800.
SpecificationMillennia HeroK800
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass - MP4/WMV/H.264 player -MP3/WAV/WMA/eAAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo/dial/commands -Predictive text input