Celkon A9 Dual vs HTC One E9

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

    A9 Dual: 31 g lighter

    A9 Dual:
    116 g
    One E9:
    147 g
  • Width

    A9 Dual: 12.6 mm narrower

    A9 Dual:
    63.9 mm
    One E9:
    76.5 mm
  • Screen diagonal

    A9 Dual: 2 in smaller diagonal

    A9 Dual:
    3.5 in
    One E9:
    5.5 in
  • Depth

    One E9: 3.1 mm thinner

    A9 Dual:
    10.6 mm
    One E9:
    7.5 mm
  • Height

    A9 Dual: 36 mm shorter

    A9 Dual:
    120.5 mm
    One E9:
    156.5 mm
  • Release year

    A9 Dual:
    2014
    One E9:
    2015

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. A9 Dual

    Height:
    120.5 mm
    Width:
    63.9 mm
    Depth:
    10.6 mm +3.1 mm versus One E9
  2. 2. One E9

    Height:
    156.5 mm +36 mm versus A9 Dual
    Width:
    76.5 mm +12.6 mm versus A9 Dual
    Depth:
    7.5 mm

Weight

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

  1. 1. A9 Dual

    116 g

  2. 2. One E9

    147 g

    +31 g versus A9 Dual

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. A9 Dual

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. One E9

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

One E9 has approximately 128.6% more rectangular screen area than A9 Dual.

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 A9 Dual, One E9, compared at the same storage capacity.
StorageA9 DualOne E9
16 GB Unknown 2 GB RAM
A9 Dual: Original memory entry

512 MB · 256 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. A9 Dual

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

2. One E9

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. A9 Dual

    1350 mAh

  2. 2. One E9

    2800 mAh

    +1450 mAh versus A9 Dual

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. A9 Dual2. One E9

Everyday essentials
Everyday essentials — specifications for A9 Dual, One E9.
SpecificationA9 DualOne E9
Dimensions (HxWxD)
  • 120.5 Х 63.9 Х 10.6 mm
  • 156.5 Х 76.5 Х 7.5 mm
Weight
  • 116 g
  • 147 g
Technology
  • TFT
Unknown
Screen size
  • 3.5" inch
  • 5.5" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Li-Ion
  • 2800 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 5 (Lollipop)
  • upgradable to 6 (Marshmallow); Sense UI 7
Chipset Unknown
  • Mediatek MT6795M Helio X10 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A9 Dual, One E9.
SpecificationA9 DualOne E9
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 83.4 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 47.4%
  • 69.7%
PPI /points per inch/
  • 165 PPI
  • 401 PPI
Screen protection Unknown
  • To be disclosed
Camera and Video
Camera and Video — specifications for A9 Dual, One E9.
SpecificationA9 DualOne E9
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • f/2.2
  • 28mm (wide)
  • AF
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 4 MP
  • Single
Specifications
  • VGA
  • 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 A9 Dual, One E9.
SpecificationA9 DualOne E9
Processor CPU
  • Dual-core 1.0 GHz
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • PowerVR G6200
Antutu 7 score * Unknown
  • 47152
General specs
General specs — specifications for A9 Dual, One E9.
SpecificationA9 DualOne E9
Release date
  • 2014
  • 2015
  • May
Colors
  • White
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 320 EUR
Battery life
  • Stand by time- Up to 240 h Talking time- Up to 3 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A9 Dual, One E9.
SpecificationA9 DualOne E9
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA -4G - LTE
Speed Unknown
  • 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
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • DLNA
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.1
  • A2DP
  • aptX
Harmful irradiation
  • SAR EU - 0.61 W/kg (head) 0.69 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A9 Dual, One E9.
SpecificationA9 DualOne E9
Radio
  • FM radio
  • FM radio
Others Unknown
  • Dolby Audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A9 Dual, One E9.
SpecificationA9 DualOne E9
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass