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Karbonn A4 vs Kyocera Echo

Compare recorded specifications, size and practical differences.

Karbonn A4

Karbonn A4

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Kyocera Echo

Kyocera Echo

Replace Echo
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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: 118 g lighterA4: 75 g · Echo: 193 g
  • WidthEcho: 9.5 mm narrowerEcho: 56.5 mm · A4: 66 mm
  • Screen diagonalEcho: 0.5 in smaller diagonalEcho: 3.5 in · A4: 4 in
  • DepthA4: 7.7 mm thinnerA4: 9.5 mm · Echo: 17.2 mm
  • HeightEcho: 9.8 mm shorterEcho: 115 mm · A4: 124.8 mm
  • Release year2013 / 2011A4: 2013 · Echo: 2011

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 Echo: 115 × 56.5 mm 2
Side
A4: 124.8 × 9.5 mm 1 Echo: 115 × 17.2 mm 2
  1. 1. A4
    Height
    124.8 mm+9.8 mm versus Echo
    Width
    66 mm+9.5 mm versus Echo
    Depth
    9.5 mm
    Weight
    75 g
  2. 2. Echo
    Height
    115 mm
    Width
    56.5 mm
    Depth
    17.2 mm+7.7 mm versus A4
    Weight
    193 g
Weight

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

  1. 1. A475 g
  2. 2. Echo193 g

    +118 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 Echo: 3.5 in, 5:3, About 34.9 cm² rectangular area 2
  1. 1. A4 4 in · 3:2 About 47.6 cm² rectangular area
  2. 2. Echo 3.5 in · 5:3 About 34.9 cm² rectangular area

A4 has approximately 36.6% more rectangular screen area than Echo.

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.

A4: Original memory entry

256 MB · 512 MB

Echo: Original memory entry

1 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. A4

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

2. Echo

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSD · up to 32 GB (dedicated slot) · 8 GB included

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

    +30 mAh versus Echo

  2. 2. Echo1370 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. A42. Echo

Everyday essentials
Everyday essentials
SpecificationA4Echo
Dimensions (HxWxD)
  • 124.8 Х 66 Х 9.5 mm
  • 115 Х 56.5 Х 17.2 mm
Weight
  • 75 g
  • 193 g
Technology
  • TFT
  • Dual TFT s
Screen size
  • 4" inch
  • 3.5" inch
Screen resolution
  • 320 x 480 px
  • 480 x 800 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB
  • 512 MB
  • 1 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
BatteryCapacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 1370 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.6 (Gingerbread)
  • Android 2.2 (Froyo)
  • upgradable to 2.3 (Gingerbread)
Chipset Unknown
  • Qualcomm QSD8650 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationA4Echo
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 256K
Screen area
  • 47.6 cm2
  • 34.9 cm2
Screen format
  • 3:2 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 57.8%
  • 53.7%
PPI /points per inch/
  • 144 PPI
  • 267 PPI
Camera and Video
Camera and Video
SpecificationA4Echo
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Performance
Performance
SpecificationA4Echo
Processor CPU Unknown
  • 1.0 GHz Scorpion
Graphics processor GPU Unknown
  • Adreno 200
General specs
General specs
SpecificationA4Echo
Release date
  • 2013
  • March
  • 2011
  • March
Colors
  • white/black
  • Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 350 EUR
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 4 h 20 min
  • Stand by time- Up to 200 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity
SpecificationA4Echo
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
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 - CDMA 800 / 1900
Speed
  • HSPA
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Yes
  • No
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot (charges may apply)
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • Yes
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio
SpecificationA4Echo
Radio
  • FM radio
  • No
Others Unknown
  • Simul-Task Mode – choose 2 of the Echo's 7 core apps and run one on each display simultaneously. -Optimized Mode – apps let the dual displays complement each other
  • like email on one and a full virtual keypad on the other. -Tablet Mode – dual displays act as a single (4.7 inches diagonally
  • 800 x 96
Other features
Other features
SpecificationA4Echo
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/AAC+ player -MP4/H.263 player -Organizer -Voice memo -Predictive text input - For Sprint Also known as Kyocera M9300

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