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Celkon A402 vs Nokia 6620

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.

  • Weight

    A402: 18 g lighter

    A402:
    104 g
    6620:
    122 g
  • Width

    6620: 6 mm narrower

    A402:
    64 mm
    6620:
    58 mm
  • Screen diagonal

    6620: 1.9 in smaller diagonal

    A402:
    4 in
    6620:
    2.1 in
  • Chipset

    A402:
    Spreadtrum 7715
    6620:
    TI OMAP 1510
  • Depth

    A402: 13.8 mm thinner

    A402:
    10.2 mm
    6620:
    24 mm
  • Height

    6620: 16.5 mm shorter

    A402:
    125.5 mm
    6620:
    109 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 +16.5 mm versus 6620
    Width:
    64 mm +6 mm versus 6620
    Depth:
    10.2 mm
  2. 2. 6620

    Height:
    109 mm
    Width:
    58 mm
    Depth:
    24 mm +13.8 mm versus A402

Weight

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

  1. 1. A402

    104 g

  2. 2. 6620

    122 g

    +18 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. A402

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. 6620

    6620: Screen geometry unavailable or conflicting.

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.

A402: Original memory entry

4 GB · 512 MB RAM

6620: Original memory entry

12 MB

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. 6620

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details RS-MMC · 32 MB included

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

    +1150 mAh versus 6620

  2. 2. 6620

    850 mAh

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. 6620

Everyday essentials
Everyday essentials — specifications for A402, 6620.
SpecificationA4026620
Dimensions (HxWxD)
  • 125.5 Х 64 Х 10.2 mm
  • 109 Х 58 Х 24 mm
Weight
  • 104 g
  • 122 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 2.1" inch
Screen resolution
  • 480 x 800 px
  • 176 x 208 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 12 MB
Memory card support
  • microSD
  • up to 32 GB
  • RS-MMC
  • 32 MB included
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 850 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Symbian 7.0s
  • Series 60 v2.0 UI
Chipset
  • Spreadtrum 7715
  • TI OMAP 1510
Headphone jack
  • Yes
  • No
Display
Display — specifications for A402, 6620.
SpecificationA4026620
Touchscreen
  • capacitive touchscreen
Unknown
Display colors Unknown
  • 65K
Screen area
  • 45.5 cm2
  • 14.0 cm2
Screen format
  • 5:3 (height:width)
Unknown
Screen to body ratio
  • 56.7%
  • 22.2%
PPI /points per inch/
  • 233 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for A402, 6620.
SpecificationA4026620
Rear camera, main
  • 3.15 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 3.15 MP
Unknown
Functions
  • LED flash
Unknown
Video
  • Yes
  • QCIF
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance
Performance — specifications for A402, 6620.
SpecificationA4026620
Processor CPU
  • 1.2 GHz
  • 150 MHz ARM925T
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for A402, 6620.
SpecificationA4026620
Release date
  • 2015
  • June
  • 2004
  • Q1
Colors
  • White
  • Black
  • Blue
  • Silver
  • Light Gray
Battery life Unknown
  • Stand by time- Up to 190 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for A402, 6620.
SpecificationA4026620
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • Yes
  • 384 kbps
Unknown
GPRS
  • Yes
  • Class 4
Edge
  • Yes
  • Yes
  • 118.4 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • No
USB
  • microUSB 2.0
  • Pop-Port
Bluetooth
  • 4.0
  • A2DP
  • 1.1
Harmful irradiation
  • SAR EU - 0.46 W/kg (head) 0.82 W/kg (body)
  • SAR - 1.16 W/kg (head) 0.74 W/kg (body) SAR EU - 0.81 W/kg (head)
Music and Audio
Music and Audio — specifications for A402, 6620.
SpecificationA4026620
Radio
  • FM radio
  • No
Others Unknown
  • 5-way joystick navigation -Selectable themes
Other features
Other features — specifications for A402, 6620.
SpecificationA4026620
Dop
  • Sensors Accelerometer
  • Infrared port - Stereo MP3/AAC player -Predictive text input -Voice dial - For the US