Celkon A403 vs Lenovo K900

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

    A403: 49 g lighter

    A403:
    113 g
    K900:
    162 g
  • Width

    A403: 13 mm narrower

    A403:
    65 mm
    K900:
    78 mm
  • Screen diagonal

    A403: 1.5 in smaller diagonal

    A403:
    4 in
    K900:
    5.5 in
  • Chipset

    A403:
    Spreadtrum SC7715
    K900:
    Intel Atom Z2580
  • Depth

    K900: 3.3 mm thinner

    A403:
    10.2 mm
    K900:
    6.9 mm
  • Height

    A403: 32 mm shorter

    A403:
    125 mm
    K900:
    157 mm

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. A403

    Height:
    125 mm
    Width:
    65 mm
    Depth:
    10.2 mm +3.3 mm versus K900
  2. 2. K900

    Height:
    157 mm +32 mm versus A403
    Width:
    78 mm +13 mm versus A403
    Depth:
    6.9 mm

Weight

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

  1. 1. A403

    113 g

  2. 2. K900

    162 g

    +49 g versus A403

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. A403

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. K900

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

K900 has approximately 83.1% more rectangular screen area than A403.

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 A403, K900, compared at the same storage capacity.
StorageA403K900
16 GB Unknown 2 GB RAM
32 GB Unknown 2 GB RAM
A403: 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. A403

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

2. K900

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. A403

    1400 mAh

  2. 2. K900

    2500 mAh

    +1100 mAh versus A403

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. A4032. K900

Everyday essentials
Everyday essentials — specifications for A403, K900.
SpecificationA403K900
Dimensions (HxWxD)
  • 125 Х 65 Х 10.2 mm
  • 157 Х 78 Х 6.9 mm
Weight
  • 113 g
  • 162 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 2500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.2 (Jelly Bean)
Chipset
  • Spreadtrum SC7715
  • Intel Atom Z2580
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A403, K900.
SpecificationA403K900
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.1%
  • 68.1%
PPI /points per inch/
  • 233 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 2
Camera and Video
Camera and Video — specifications for A403, K900.
SpecificationA403K900
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • 13 MP
  • AF
Functions
  • LED flash
  • Dual-LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 1.3 MP
  • 2 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for A403, K900.
SpecificationA403K900
Processor CPU
  • 1.0 GHz
  • Dual-core 2.0 GHz
Graphics processor GPU Unknown
  • PowerVR SGX544MP2
Antutu 7 score * Unknown
  • 27313
General specs
General specs — specifications for A403, K900.
SpecificationA403K900
Release date
  • 2015
  • August
  • 2013
  • January. Released 2013
  • April
Colors
  • Black
  • Light Blue
  • Red
  • Yellow
  • Black/Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 360 EUR
Battery life Unknown
  • Stand by time- Up to 300 h (2G) / Up to 300 h (3G) Talking time- Up to 15 h (2G) / Up to 12 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A403, K900.
SpecificationA403K900
SIM card
  • Dual SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n
  • dual band
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • 3.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A403, K900.
SpecificationA403K900
Radio
  • FM radio
  • Stereo FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A403, K900.
SpecificationA403K900
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass