Archos 55 Cobalt Plus vs Lenovo A789

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

    55 Cobalt Plus: 24.8 g lighter

    55 Cobalt Plus:
    130 g
    A789:
    154.8 g
  • Width

    A789: 11.6 mm narrower

    55 Cobalt Plus:
    77 mm
    A789:
    65.4 mm
  • Screen diagonal

    A789: 1.5 in smaller diagonal

    55 Cobalt Plus:
    5.5 in
    A789:
    4 in
  • Chipset

    55 Cobalt Plus:
    Mediatek MT6735P (28 nm)
    A789:
    Mediatek MT6577 (40 nm)
  • Depth

    55 Cobalt Plus: 4.9 mm thinner

    55 Cobalt Plus:
    8.3 mm
    A789:
    13.2 mm
  • Height

    A789: 25.9 mm shorter

    55 Cobalt Plus:
    152.5 mm
    A789:
    126.6 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. 55 Cobalt Plus

    Height:
    152.5 mm +25.9 mm versus A789
    Width:
    77 mm +11.6 mm versus A789
    Depth:
    8.3 mm
  2. 2. A789

    Height:
    126.6 mm
    Width:
    65.4 mm
    Depth:
    13.2 mm +4.9 mm versus 55 Cobalt Plus

Weight

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

  1. 1. 55 Cobalt Plus

    130 g

  2. 2. A789

    154.8 g

    +24.8 g versus 55 Cobalt Plus

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. A789

    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 A789.

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, A789, compared at the same storage capacity.
Storage55 Cobalt PlusA789
16 GB 2 GB RAM Unknown
A789: 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. A789

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

    +700 mAh versus A789

  2. 2. A789

    2000 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. A789

Everyday essentials
Everyday essentials — specifications for 55 Cobalt Plus, A789.
Specification55 Cobalt PlusA789
Dimensions (HxWxD)
  • 152.5 Х 77 Х 8.3 mm
  • 126.6 Х 65.4 Х 13.2 mm
Weight
  • 130 g
  • 154.8 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
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop)
  • Android 4.0.4 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6735P (28 nm)
  • Mediatek MT6577 (40 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 55 Cobalt Plus, A789.
Specification55 Cobalt PlusA789
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 71.0%
  • 55.0%
PPI /points per inch/
  • 267 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for 55 Cobalt Plus, A789.
Specification55 Cobalt PlusA789
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 5 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • panorama
Unknown
Video
  • 720p@30fps
  • 720p
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, A789.
Specification55 Cobalt PlusA789
Processor CPU
  • Quad-core 1.0 GHz Cortex-A53
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • Mali-T720MP2
  • PowerVR SGX531u
Antutu 7 score *
  • 21040
Unknown
General specs
General specs — specifications for 55 Cobalt Plus, A789.
Specification55 Cobalt PlusA789
Release date
  • 2016
  • January
  • 2012
  • June
Colors
  • Blue/Gray
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
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, A789.
Specification55 Cobalt PlusA789
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Mini-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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
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
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • Yes
Harmful irradiation
  • SAR EU - 0.25 W/kg (head) 1.28 W/kg (body)
  • SAR EU - 0.44 W/kg (head)
Music and Audio
Music and Audio — specifications for 55 Cobalt Plus, A789.
Specification55 Cobalt PlusA789
Radio
  • Stereo FM radio
  • RDS
  • recording
  • FM radio
  • FM transmitter
Other features
Other features — specifications for 55 Cobalt Plus, A789.
Specification55 Cobalt PlusA789
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • Sensors Accelerometer
  • proximity