Lenovo A3900 vs Plum Compass

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

    A3900: 11.7 g lighter

    A3900:
    157 g
    Compass:
    168.7 g
  • Chipset

    A3900:
    Mediatek MT6752 (28 nm)
    Compass:
    Spreadtrum SC7731C
  • Depth

    A3900: 0.8 mm thinner

    A3900:
    9 mm
    Compass:
    9.8 mm
  • Height

    A3900: 3.2 mm shorter

    A3900:
    142.8 mm
    Compass:
    146 mm
  • Release year

    A3900:
    2015
    Compass:
    2016

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. A3900

    Height:
    142.8 mm
    Width:
    71.8 mm
    Depth:
    9 mm
  2. 2. Compass

    Height:
    146 mm +3.2 mm versus A3900
    Width:
    72.6 mm
    Depth:
    9.8 mm +0.8 mm versus A3900

Weight

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

  1. 1. A3900

    157 g

  2. 2. Compass

    168.7 g

    +11.7 g versus A3900

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. A3900

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Compass

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

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 A3900, Compass, compared at the same storage capacity.
StorageA3900Compass
8 GB Unknown 1 GB RAM
A3900: 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. A3900

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

2. Compass

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

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. A3900

    2300 mAh

    +300 mAh versus Compass

  2. 2. Compass

    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. A39002. Compass

Everyday essentials
Everyday essentials — specifications for A3900, Compass.
SpecificationA3900Compass
Dimensions (HxWxD)
  • 142.8 Х 71.8 Х 9 mm
  • 146 Х 72.6 Х 9.8 mm
Weight
  • 157 g
  • 168.7 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2300 mAh
  • Removable Li-Po
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6752 (28 nm)
  • Spreadtrum SC7731C
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A3900, Compass.
SpecificationA3900Compass
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.2%
  • 65.0%
PPI /points per inch/
  • 196 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for A3900, Compass.
SpecificationA3900Compass
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 2 MP
  • 2 MP
Performance
Performance — specifications for A3900, Compass.
SpecificationA3900Compass
Processor CPU
  • Octa-core 1.2 GHz Cortex-A53
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-T760MP2
Unknown
General specs
General specs — specifications for A3900, Compass.
SpecificationA3900Compass
Release date
  • 2015
  • May
  • 2016
  • December
Colors
  • Black
  • Pearl White
  • Silver
  • Black
  • Blue
  • Red
  • Gold
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 620 h (2G) / Up to 600 h (3G) Talking time- Up to 25 h (2G) / Up to 20 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A3900, Compass.
SpecificationA3900Compass
SIM card
  • Dual SIM (Mini-SIM/ Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for A3900, Compass.
SpecificationA3900Compass
Radio
  • No
  • FM radio
Other features
Other features — specifications for A3900, Compass.
SpecificationA3900Compass
Dop
  • Sensors Accelerometer
  • proximity - Preliminary specifications
  • Sensors Accelerometer