Karbonn A4 vs LG Nitro HD

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

    A4: 52 g lighter

    A4:
    75 g
    Nitro HD:
    127 g
  • Width

    A4: 1.8 mm narrower

    A4:
    66 mm
    Nitro HD:
    67.8 mm
  • Screen diagonal

    A4: 0.5 in smaller diagonal

    A4:
    4 in
    Nitro HD:
    4.5 in
  • Depth

    A4: 0.9 mm thinner

    A4:
    9.5 mm
    Nitro HD:
    10.4 mm
  • Height

    A4: 9.1 mm shorter

    A4:
    124.8 mm
    Nitro HD:
    133.9 mm
  • Release year

    A4:
    2013
    Nitro HD:
    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.

  1. 1. A4

    Height:
    124.8 mm
    Width:
    66 mm
    Depth:
    9.5 mm
  2. 2. Nitro HD

    Height:
    133.9 mm +9.1 mm versus A4
    Width:
    67.8 mm +1.8 mm versus A4
    Depth:
    10.4 mm +0.9 mm versus A4

Weight

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

  1. 1. A4

    75 g

  2. 2. Nitro HD

    127 g

    +52 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.

  1. 1. A4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. Nitro HD

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

Nitro HD has approximately 17.2% 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 for A4, Nitro HD, compared at the same storage capacity.
StorageA4Nitro HD
4 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. Nitro HD

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 16 GB included

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. A4

    1400 mAh

  2. 2. Nitro HD

    1830 mAh

    +430 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. Nitro HD

Everyday essentials
Everyday essentials — specifications for A4, Nitro HD.
SpecificationA4Nitro HD
Dimensions (HxWxD)
  • 124.8 Х 66 Х 9.5 mm
  • 133.9 Х 67.8 Х 10.4 mm
Weight
  • 75 g
  • 127 g
Technology
  • TFT
  • AH-IPS LCD
Screen size
  • 4" inch
  • 4.5" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB
  • 512 MB
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.6 (Gingerbread)
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A4, Nitro HD.
SpecificationA4Nitro HD
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 47.6 cm2
  • 55.8 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.8%
  • 61.5%
PPI /points per inch/
  • 144 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for A4, Nitro HD.
SpecificationA4Nitro HD
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications Unknown
  • Yes
Performance
Performance — specifications for A4, Nitro HD.
SpecificationA4Nitro HD
Processor CPU Unknown
  • Dual-core 1.5 GHz Scorpion
Graphics processor GPU Unknown
  • Adreno 220
General specs
General specs — specifications for A4, Nitro HD.
SpecificationA4Nitro HD
Release date
  • 2013
  • March
  • 2011
  • November. Released 2011
  • December
Colors
  • white/black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 170 EUR
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 4 h 20 min
  • Stand by time- Up to 252 h (3G) Talking time- Up to 3 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A4, Nitro HD.
SpecificationA4Nitro HD
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 - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 / 2100 -4G - LTE band 17(700)
Speed
  • HSPA
  • HSPA 21.1/5.76 Mbps
  • LTE
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
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • Yes
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.67 W/kg (head) 1.12 W/kg (body)
Music and Audio
Music and Audio — specifications for A4, Nitro HD.
SpecificationA4Nitro HD
Radio
  • FM radio
  • No
Other features
Other features — specifications for A4, Nitro HD.
SpecificationA4Nitro HD
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input - For AT&T Also known as LG P930