Celkon Millennia Hero vs vivo NEX A

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: 86 g lighter

    Millennia Hero:
    113 g
    NEX A:
    199 g
  • Width

    Millennia Hero: 13 mm narrower

    Millennia Hero:
    64 mm
    NEX A:
    77 mm
  • Screen diagonal

    Millennia Hero: 2.59 in smaller diagonal

    Millennia Hero:
    4 in
    NEX A:
    6.59 in
  • Rear camera layout

    Millennia Hero:
    Single
    NEX A:
    Dual
  • Depth

    NEX A: 3 mm thinner

    Millennia Hero:
    11 mm
    NEX A:
    8 mm
  • Height

    Millennia Hero: 37 mm shorter

    Millennia Hero:
    125 mm
    NEX A:
    162 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 Hero

    Height:
    125 mm
    Width:
    64 mm
    Depth:
    11 mm +3 mm versus NEX A
  2. 2. NEX A

    Height:
    162 mm +37 mm versus Millennia Hero
    Width:
    77 mm +13 mm versus Millennia Hero
    Depth:
    8 mm

Weight

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

  1. 1. Millennia Hero

    113 g

  2. 2. NEX A

    199 g

    +86 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Millennia Hero

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. NEX A

    NEX A: 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 Hero, NEX A, compared at the same storage capacity.
StorageMillennia HeroNEX A
8 GB 1 GB RAM Not recorded
128 GB Not recorded 6 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. NEX A

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. NEX A

    4000 mAh

    +2300 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. NEX A

Everyday essentials
Everyday essentials — specifications for Millennia Hero, NEX A.
SpecificationMillennia HeroNEX A
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 162 Х 77 Х 8 mm
Weight
  • 113 g
  • 199 g
Technology Unknown
  • Super AMOLED
Screen size
  • 4" inch
  • 6.59" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2316 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 8.1 (Oreo); Funtouch 4
Chipset Unknown
  • Qualcomm SDM710 Snapdragon 710 (10 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia Hero, NEX A.
SpecificationMillennia HeroNEX A
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 107.3 cm2
Screen format
  • 5:3 (height:width)
Unknown
Screen to body ratio
  • 56.9%
  • 86.0%
PPI /points per inch/
  • 233 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Millennia Hero, NEX A.
SpecificationMillennia HeroNEX A
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 5 MP
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF -5 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 3.2 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 3.2 MP
  • Motorized pop-up 8 MP
  • f/2.0
Performance

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

Performance — specifications for Millennia Hero, NEX A.
SpecificationMillennia HeroNEX A
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU Unknown
  • Adreno 616
GeekBench 4 Single Core * Unknown
  • 1855
GeekBench 4 Multi-Core * Unknown
  • 5940
General specs
General specs — specifications for Millennia Hero, NEX A.
SpecificationMillennia HeroNEX A
Release date
  • 2015
  • August
  • 2018
  • June
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
  • Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 600 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, NEX A.
SpecificationMillennia HeroNEX A
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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat15 800/150 Mbps
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
  • BDS
  • GNSS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
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, NEX A.
SpecificationMillennia HeroNEX A
Radio
  • FM radio
  • To be confirmed
Others Unknown
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Millennia Hero, NEX A.
SpecificationMillennia HeroNEX A
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 22W