Archos 55 Cobalt Plus vs Celkon A40

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.

  • Width

    A40: 13 mm narrower

    55 Cobalt Plus:
    77 mm
    A40:
    64 mm
  • Screen diagonal

    A40: 1.5 in smaller diagonal

    55 Cobalt Plus:
    5.5 in
    A40:
    4 in
  • Depth

    55 Cobalt Plus: 2.5 mm thinner

    55 Cobalt Plus:
    8.3 mm
    A40:
    10.8 mm
  • Height

    A40: 26.3 mm shorter

    55 Cobalt Plus:
    152.5 mm
    A40:
    126.2 mm
  • Release year

    55 Cobalt Plus:
    2016
    A40:
    2014

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. 55 Cobalt Plus

    Height:
    152.5 mm +26.3 mm versus A40
    Width:
    77 mm +13 mm versus A40
    Depth:
    8.3 mm
  2. 2. A40

    Height:
    126.2 mm
    Width:
    64 mm
    Depth:
    10.8 mm +2.5 mm versus 55 Cobalt Plus

Weight

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

  1. 1. 55 Cobalt Plus

    130 g

    +3.5 g versus A40

  2. 2. A40

    126.5 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. 55 Cobalt Plus

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. A40

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

55 Cobalt Plus has approximately 83.1% more rectangular screen area than A40.

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 55 Cobalt Plus, A40, compared at the same storage capacity.
Storage55 Cobalt PlusA40
16 GB 2 GB RAM Unknown
A40: 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. 55 Cobalt Plus

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

2. A40

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 battery capacity

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

  1. 1. 55 Cobalt Plus

    2700 mAh

    +1200 mAh versus A40

  2. 2. A40

    1500 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. 55 Cobalt Plus2. A40

Everyday essentials
Everyday essentials — specifications for 55 Cobalt Plus, A40.
Specification55 Cobalt PlusA40
Dimensions (HxWxD)
  • 152.5 Х 77 Х 8.3 mm
  • 126.2 Х 64 Х 10.8 mm
Weight
  • 130 g
  • 126.5 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2700 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Mediatek MT6735P (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 55 Cobalt Plus, A40.
Specification55 Cobalt PlusA40
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 71.0%
  • 56.4%
PPI /points per inch/
  • 267 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for 55 Cobalt Plus, A40.
Specification55 Cobalt PlusA40
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 5 MP
Functions
  • Dual-LED flash
  • HDR
  • panorama
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA
Performance

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

Performance — specifications for 55 Cobalt Plus, A40.
Specification55 Cobalt PlusA40
Processor CPU
  • Quad-core 1.0 GHz Cortex-A53
  • Dual-core 1.3 GHz
Graphics processor GPU
  • Mali-T720MP2
Unknown
Antutu 7 score *
  • 21040
Unknown
General specs
General specs — specifications for 55 Cobalt Plus, A40.
Specification55 Cobalt PlusA40
Release date
  • 2016
  • January
  • 2014
  • January
Colors
  • Blue/Gray
  • White
  • Yellow
  • Blue
Battery life
  • Stand by time- Up to 450 h Talking time- Up to 27 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 55 Cobalt Plus, A40.
Specification55 Cobalt PlusA40
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
  • 7(2600)
  • 9(1800)
  • 20(800)
Unknown
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.0
Harmful irradiation
  • SAR EU - 0.25 W/kg (head) 1.28 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for 55 Cobalt Plus, A40.
Specification55 Cobalt PlusA40
Radio
  • Stereo FM radio
  • RDS
  • recording
  • FM radio
Other features
Other features — specifications for 55 Cobalt Plus, A40.
Specification55 Cobalt PlusA40
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • Sensors Accelerometer
  • proximity