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alcatel One Touch Evolve vs Celkon A20

Compare recorded specifications, size and practical differences.

Celkon A20

Celkon A20

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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.

Not enough comparable data or meaningful differences for automatic highlights. Check the recorded specifications below.

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.

Front
One Touch Evolve: 121.5 × 64 mm 1
Side
One Touch Evolve: 121.5 × 11.8 mm 1
  1. 1. One Touch Evolve
    Height
    121.5 mm
    Width
    64 mm
    Depth
    11.8 mm
    Weight
    136.5 g
  2. 2. A20
    Height
    Unknown
    Width
    Unknown
    Depth
    Unknown
    Weight
    Unknown

    Unavailable dimensions are omitted from the drawing.

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.

Screen size
One Touch Evolve: 4 in, 5:3, About 45.5 cm² rectangular area 1 A20: 4 in, 5:3, About 45.5 cm² rectangular area 2
  1. 1. One Touch Evolve 4 in · 5:3 About 45.5 cm² rectangular area
  2. 2. A20 4 in · 5:3 About 45.5 cm² rectangular area

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

One Touch Evolve: Original memory entry

4 GB · 512 MB 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. One Touch Evolve

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

2. A20

NFC
Unknown
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 capacity

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

  1. 1. One Touch Evolve1400 mAh
  2. 2. A201500 mAh

    +100 mAh versus One Touch Evolve

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. One Touch Evolve2. A20

Everyday essentials
Everyday essentials
SpecificationOne Touch EvolveA20
Dimensions (HxWxD)
  • 121.5 Х 64 Х 11.8 mm
  • Х Х mm
Weight
  • 136.5 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 256 MB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Android 4.2.0 (Jelly Bean)
Chipset
  • Mediatek MT6575 (40 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationOne Touch EvolveA20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 45.5 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 58.6%
Unknown
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Camera and Video
Camera and Video
SpecificationOne Touch EvolveA20
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • 3.15 MP
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA
Performance
Performance
SpecificationOne Touch EvolveA20
Processor CPU
  • 1.0 GHz Cortex-A9
  • Dual-core 1.2 GHz
Graphics processor GPU
  • PowerVR SGX531
Unknown
General specs
General specs
SpecificationOne Touch EvolveA20
Release date
  • 2013
  • September
  • 2013
  • August
Colors
  • Black
  • Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 60 EUR
Battery life
  • Stand by time- Up to 400 h (2G) / Up to 410 h (3G) Talking time- Up to 13 h 30 min (2G) / Up to 13 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity
SpecificationOne Touch EvolveA20
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • Yes
  • 384 kbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • Yes
Harmful irradiation Unknown
  • SAR EU - 0.88 W/kg (head) 0.60 W/kg (body)
Music and Audio
Music and Audio
SpecificationOne Touch EvolveA20
Radio
  • FM radio
  • RDS
Unknown
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features
SpecificationOne Touch EvolveA20
Dop
  • Sensors Accelerometer
  • proximity - For T-Mobile
  • Sensors Proximity
  • gyro

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