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Karbonn A4 vs Plum Compass

Compare recorded specifications, size and practical differences.

Karbonn A4

Karbonn A4

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Plum Compass

Plum Compass

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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.

  • WeightA4: 93.7 g lighterA4: 75 g · Compass: 168.7 g
  • WidthA4: 6.6 mm narrowerA4: 66 mm · Compass: 72.6 mm
  • Screen diagonalA4: 1 in smaller diagonalA4: 4 in · Compass: 5 in
  • HeightA4: 21.2 mm shorterA4: 124.8 mm · Compass: 146 mm
  • Release year2013 / 2016A4: 2013 · 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.

Front
A4: 124.8 × 66 mm 1 Compass: 146 × 72.6 mm 2
Side
A4: 124.8 × 9.5 mm 1 Compass: 146 × 9.8 mm 2
  1. 1. A4
    Height
    124.8 mm
    Width
    66 mm
    Depth
    9.5 mm
    Weight
    75 g
  2. 2. Compass
    Height
    146 mm+21.2 mm versus A4
    Width
    72.6 mm+6.6 mm versus A4
    Depth
    9.8 mm
    Weight
    168.7 g
Weight

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

  1. 1. A475 g
  2. 2. Compass168.7 g

    +93.7 g versus A4

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
A4: 4 in, 3:2, About 47.6 cm² rectangular area 1 Compass: 5 in, 16:9, About 68.9 cm² rectangular area 2
  1. 1. A4 4 in · 3:2 About 47.6 cm² rectangular area
  2. 2. Compass 5 in · 16:9 About 68.9 cm² rectangular area

Compass has approximately 44.7% more rectangular screen area than A4.

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 by storage capacity and phone
StorageA4Compass
8 GB Unknown 1 GB RAM
A4: Original memory entry

256 MB · 512 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. A4

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 capacity

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

  1. 1. A41400 mAh
  2. 2. Compass2000 mAh

    +600 mAh versus A4

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. A42. Compass

Everyday essentials
Everyday essentials
SpecificationA4Compass
Dimensions (HxWxD)
  • 124.8 Х 66 Х 9.5 mm
  • 146 Х 72.6 Х 9.8 mm
Weight
  • 75 g
  • 168.7 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB
  • 512 MB
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.6 (Gingerbread)
  • Android 6.0 (Marshmallow)
Chipset Unknown
  • Spreadtrum SC7731C
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationA4Compass
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 47.6 cm2
  • 68.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.8%
  • 65.0%
PPI /points per inch/
  • 144 PPI
  • 294 PPI
Camera and Video
Camera and Video
SpecificationA4Compass
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance
Performance
SpecificationA4Compass
Processor CPU Unknown
  • Quad-core 1.3 GHz Cortex-A7
General specs
General specs
SpecificationA4Compass
Release date
  • 2013
  • March
  • 2016
  • December
Colors
  • white/black
  • Black
  • Blue
  • Red
  • Gold
  • White
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 4 h 20 min
  • 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
SpecificationA4Compass
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • Yes
  • 4.0
  • A2DP
Music and Audio
Music and Audio
SpecificationA4Compass
Radio
  • FM radio
  • FM radio
Other features
Other features
SpecificationA4Compass
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer