Karbonn A21 vs Nokia C1

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Screen diagonal

    A21: 0.95 in smaller diagonal

    A21:
    4.5 in
    C1:
    5.45 in
  • Release year

    A21:
    2012
    C1:
    2019

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. A21

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. C1

    Height:
    147.6 mm
    Width:
    71.4 mm
    Depth:
    8.7 mm
    Weight:
    155 g

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. A21

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    57.6 cm²
  2. 2. C1

    Screen diagonal:
    5.45 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    76.7 cm²

C1 has approximately 33% more rectangular screen area than A21.

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 A21, C1, compared at the same storage capacity.
StorageA21C1
16 GB Unknown 1 GB RAM
A21: 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. A21

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

2. C1

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. A21

    1800 mAh

  2. 2. C1

    2500 mAh

    +700 mAh versus A21

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. A212. C1

Everyday essentials
Everyday essentials — specifications for A21, C1.
SpecificationA21C1
Dimensions (HxWxD)
  • Х Х mm
  • 147.6 Х 71.4 Х 8.7 mm
Weight
  • 0 g
  • 155 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 5.45" inch
Screen resolution
  • 480 x 800 px
  • 480 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 16GB 1GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 2500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 9.0 Pie (Go edition)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A21, C1.
SpecificationA21C1
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 57.6 cm2
  • 76.7 cm2
Screen format
  • 5:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio Unknown
  • 72.7%
PPI /points per inch/
  • 207 PPI
  • 197 PPI
Camera and Video
Camera and Video — specifications for A21, C1.
SpecificationA21C1
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
  • f/2.4
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 1.3 MP
  • 5 MP
Performance
Performance — specifications for A21, C1.
SpecificationA21C1
Processor CPU
  • Dual-core 1.2 GHz
  • Quad-core 1.3 GHz
General specs
General specs — specifications for A21, C1.
SpecificationA21C1
Release date
  • 2012
  • 2019
  • December
Colors
  • Pearl White
  • Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 50 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 5 h
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for A21, C1.
SpecificationA21C1
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/0.384 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 a/b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.44 W/kg (head)
  • SAR EU - 0.40 W/kg (head) 1.30 W/kg (body)
Music and Audio
Music and Audio — specifications for A21, C1.
SpecificationA21C1
Radio
  • No
  • FM radio
Other features
Other features — specifications for A21, C1.
SpecificationA21C1
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity