Celkon A20 vs HTC One VX

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.

  • Screen diagonal

    A20: 0.5 in smaller diagonal

    A20:
    4 in
    One VX:
    4.5 in
  • Release year

    A20:
    2013
    One VX:
    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. A20

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. One VX

    Height:
    133.5 mm
    Width:
    67.6 mm
    Depth:
    9.2 mm
    Weight:
    124.7 g

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. A20

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

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

One VX has approximately 22.6% more rectangular screen area than A20.

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 A20, One VX, compared at the same storage capacity.
StorageA20One VX
8 GB Unknown 1 GB RAM
A20: Original memory entry

256 MB · 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. A20

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

2. One VX

NFC:
Yes
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. A20

    1500 mAh

  2. 2. One VX

    1800 mAh

    +300 mAh versus A20

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. A202. One VX

Everyday essentials
Everyday essentials — specifications for A20, One VX.
SpecificationA20One VX
Dimensions (HxWxD)
  • Х Х mm
  • 133.5 Х 67.6 Х 9.2 mm
Weight
  • 0 g
  • 124.7 g
Technology
  • TFT
  • Super LCD2
Screen size
  • 4" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB
  • 512 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 1800 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.0 (Jelly Bean)
  • Android 4.0 (Ice Cream Sandwich); Sense UI 4
Chipset Unknown
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A20, One VX.
SpecificationA20One VX
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 Unknown
  • 61.9%
PPI /points per inch/
  • 233 PPI
  • 245 PPI
Camera and Video
Camera and Video — specifications for A20, One VX.
SpecificationA20One VX
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • AF
Functions Unknown
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA
Performance
Performance — specifications for A20, One VX.
SpecificationA20One VX
Processor CPU
  • Dual-core 1.2 GHz
  • Dual-core 1.2 GHz Krait
Graphics processor GPU Unknown
  • Adreno 305
General specs
General specs — specifications for A20, One VX.
SpecificationA20One VX
Release date
  • 2013
  • August
  • 2012
  • October
Colors
  • Black
  • White
  • Black
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 60 EUR
  • 290 EUR
Communication and Connectivity
Communication and Connectivity — specifications for A20, One VX.
SpecificationA20One VX
SIM card
  • Dual SIM (Mini-SIM)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 -4G - LTE band 4(1700/2100)
  • 17(700)
Speed
  • Yes
  • 384 kbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Yes
  • 4.0
  • A2DP
  • aptX
Harmful irradiation
  • SAR EU - 0.88 W/kg (head) 0.60 W/kg (body)
  • SAR - 1.16 W/kg (head) 1.23 W/kg (body)
Music and Audio
Music and Audio — specifications for A20, One VX.
SpecificationA20One VX
Radio Unknown
  • FM radio
Others Unknown
  • Beats Audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A20, One VX.
SpecificationA20One VX
Dop
  • Sensors Proximity
  • gyro
  • Sensors Accelerometer
  • proximity
  • compass - DivX/XviD/MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV/FLAC player -Document viewer - For AT&T