Celkon A402 vs HTC One ME

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

    A402: 51 g lighter

    A402:
    104 g
    One ME:
    155 g
  • Width

    A402: 8 mm narrower

    A402:
    64 mm
    One ME:
    72 mm
  • Screen diagonal

    A402: 1.2 in smaller diagonal

    A402:
    4 in
    One ME:
    5.2 in
  • Chipset

    A402:
    Spreadtrum 7715
    One ME:
    Mediatek MT6795 Helio X10 (28 nm)
  • Height

    A402: 25.5 mm shorter

    A402:
    125.5 mm
    One ME:
    151 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. A402

    Height:
    125.5 mm
    Width:
    64 mm
    Depth:
    10.2 mm
  2. 2. One ME

    Height:
    151 mm +25.5 mm versus A402
    Width:
    72 mm +8 mm versus A402
    Depth:
    9.8 mm

Weight

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

  1. 1. A402

    104 g

  2. 2. One ME

    155 g

    +51 g versus A402

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. A402

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

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

One ME has approximately 63.7% more rectangular screen area than A402.

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 A402, One ME, compared at the same storage capacity.
StorageA402One ME
32 GB Unknown 3 GB RAM
A402: Original memory entry

4 GB · 512 MB 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. A402

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

2. One ME

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. A402

    2000 mAh

  2. 2. One ME

    2840 mAh

    +840 mAh versus A402

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. A4022. One ME

Everyday essentials
Everyday essentials — specifications for A402, One ME.
SpecificationA402One ME
Dimensions (HxWxD)
  • 125.5 Х 64 Х 10.2 mm
  • 151 Х 72 Х 9.8 mm
Weight
  • 104 g
  • 155 g
Screen size
  • 4" inch
  • 5.2" inch
Screen resolution
  • 480 x 800 px
  • 1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 2840 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 5.2 (Lollipop)
  • upgradable to 6 (Marshmallow); Sense UI 7
Chipset
  • Spreadtrum 7715
  • Mediatek MT6795 Helio X10 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A402, One ME.
SpecificationA402One ME
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 74.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.7%
  • 68.6%
PPI /points per inch/
  • 233 PPI
  • 565 PPI
Camera and Video
Camera and Video — specifications for A402, One ME.
SpecificationA402One ME
Rear camera, main
  • 3.15 MP
  • Single
  • 20 MP
  • Single
Camera specs
  • 3.15 MP
  • 20 MP
  • f/2.2
  • 28mm (wide)
  • AF
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 4 MP
  • Single
Specifications
  • 1.3 MP
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
Performance

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

Performance — specifications for A402, One ME.
SpecificationA402One ME
Processor CPU
  • 1.2 GHz
  • Octa-core 2.2 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • PowerVR G6200
Antutu 7 score * Unknown
  • 51326
GeekBench 4 Single Core * Unknown
  • 789
GeekBench 4 Multi-Core * Unknown
  • 2041
GeekBench 4 RenderScript * Unknown
  • 663
General specs
General specs — specifications for A402, One ME.
SpecificationA402One ME
Release date
  • 2015
  • June
  • 2015
  • June
Colors
  • White
  • Black
  • Blue
  • Silver
  • Meteor Grey
  • Rose Gold
  • Gold Sepia
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 340 EUR
Battery life Unknown
  • Stand by time- Up to 598 h (2G) / Up to 626 h (3G) Talking time- Up to 23 h (2G) / Up to 13 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A402, One ME.
SpecificationA402One ME
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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • Yes
  • 384 kbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 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
  • DLNA
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.1
  • A2DP
  • aptX
Harmful irradiation
  • SAR EU - 0.46 W/kg (head) 0.82 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A402, One ME.
SpecificationA402One ME
Radio
  • FM radio
  • FM radio
Others Unknown
  • Dolby Surround audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A402, One ME.
SpecificationA402One ME
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port