Celkon Millennia Hero vs Google Pixel 3a

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 Hero: 34 g lighter

    Millennia Hero:
    113 g
    Pixel 3a:
    147 g
  • Width

    Millennia Hero: 6.1 mm narrower

    Millennia Hero:
    64 mm
    Pixel 3a:
    70.1 mm
  • Screen diagonal

    Millennia Hero: 1.6 in smaller diagonal

    Millennia Hero:
    4 in
    Pixel 3a:
    5.6 in
  • Depth

    Pixel 3a: 2.8 mm thinner

    Millennia Hero:
    11 mm
    Pixel 3a:
    8.2 mm
  • Height

    Millennia Hero: 26.3 mm shorter

    Millennia Hero:
    125 mm
    Pixel 3a:
    151.3 mm
  • Release year

    Millennia Hero:
    2015
    Pixel 3a:
    2019

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 +2.8 mm versus Pixel 3a
  2. 2. Pixel 3a

    Height:
    151.3 mm +26.3 mm versus Millennia Hero
    Width:
    70.1 mm +6.1 mm versus Millennia Hero
    Depth:
    8.2 mm

Weight

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

  1. 1. Millennia Hero

    113 g

  2. 2. Pixel 3a

    147 g

    +34 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. Pixel 3a

    Screen diagonal:
    5.6 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    79.6 cm²

Pixel 3a has approximately 74.8% 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, Pixel 3a, compared at the same storage capacity.
StorageMillennia HeroPixel 3a
8 GB 1 GB RAM Unknown
Pixel 3a: Original memory entry

64 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 Hero

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

2. Pixel 3a

NFC:
Yes
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. Pixel 3a

    3000 mAh

    +1300 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. Pixel 3a

Everyday essentials
Everyday essentials — specifications for Millennia Hero, Pixel 3a.
SpecificationMillennia HeroPixel 3a
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 151.3 Х 70.1 Х 8.2 mm
Weight
  • 113 g
  • 147 g
Technology Unknown
  • OLED
Screen size
  • 4" inch
  • 5.6" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2220 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 9.0 (Pie)
Chipset Unknown
  • Qualcomm SDM670 Snapdragon 670 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia Hero, Pixel 3a.
SpecificationMillennia HeroPixel 3a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • Type OLED
Screen area
  • 45.5 cm2
  • 79.6 cm2
Screen format
  • 5:3 (height:width)
  • 18.5:9 (height:width)
Screen to body ratio
  • 56.9%
  • 75.0%
PPI /points per inch/
  • 233 PPI
  • 441 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video

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

Camera and Video — specifications for Millennia Hero, Pixel 3a.
SpecificationMillennia HeroPixel 3a
Rear camera, main
  • 5 MP
  • Single
  • 12.2 MP
  • Single
Camera specs
  • 5 MP
  • 12.2 MP
  • f/1.8
  • 28mm (wide)
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 3.2 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 3.2 MP
  • 8 MP
  • f/2.0
  • 24mm (wide)
  • 1.12µm
DxOMark Main Score * Unknown
  • 101
DxOMark Photo * Unknown
  • 104
DxOMark Video * Unknown
  • 95
Performance

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

Performance — specifications for Millennia Hero, Pixel 3a.
SpecificationMillennia HeroPixel 3a
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU Unknown
  • Adreno 615
Antutu 7 score * Unknown
  • 159213
GeekBench 4 Single Core * Unknown
  • 1603
GeekBench 4 Multi-Core * Unknown
  • 5206
GeekBench 4 RenderScript * Unknown
  • 6426
GeekBench 4 Battery * Unknown
  • 4895
GeekBench 5 Single Core * Unknown
  • 345
GeekBench 5 Multi-Core * Unknown
  • 1300
General specs
General specs — specifications for Millennia Hero, Pixel 3a.
SpecificationMillennia HeroPixel 3a
Release date
  • 2015
  • August
  • 2019
  • May
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
  • Just Black
  • Clearly White
  • Purple-ish
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 400 EUR
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, Pixel 3a.
SpecificationMillennia HeroPixel 3a
SIM card
  • Dual SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 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
  • GLONASS
  • GALILEO
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
  • aptX HD
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, Pixel 3a.
SpecificationMillennia HeroPixel 3a
Radio
  • FM radio
Unknown
Others Unknown
  • Always-on display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Millennia Hero, Pixel 3a.
SpecificationMillennia HeroPixel 3a
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 18W -USB Power Delivery 2.0 - Versions: G020A
  • G020E
  • G020B