Celkon A900 vs Energizer Energy S550

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

    Energy S550: 5 g lighter

    A900:
    185 g
    Energy S550:
    180 g
  • Width

    Energy S550: 3.5 mm narrower

    A900:
    81.7 mm
    Energy S550:
    78.2 mm
  • Screen diagonal

    A900: 0.5 in smaller diagonal

    A900:
    5 in
    Energy S550:
    5.5 in
  • Depth

    Energy S550: 1.4 mm thinner

    A900:
    10.2 mm
    Energy S550:
    8.8 mm
  • Height

    A900: 2 mm shorter

    A900:
    152.8 mm
    Energy S550:
    154.8 mm
  • Release year

    A900:
    2012
    Energy S550:
    2017

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. A900

    Height:
    152.8 mm
    Width:
    81.7 mm +3.5 mm versus Energy S550
    Depth:
    10.2 mm +1.4 mm versus Energy S550
  2. 2. Energy S550

    Height:
    154.8 mm +2 mm versus A900
    Width:
    78.2 mm
    Depth:
    8.8 mm

Weight

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

  1. 1. A900

    185 g

    +5 g versus Energy S550

  2. 2. Energy S550

    180 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. A900

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    71.2 cm²
  2. 2. Energy S550

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

Energy S550 has approximately 17.2% more rectangular screen area than A900.

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 A900, Energy S550, compared at the same storage capacity.
StorageA900Energy S550
8 GB Unknown 1 GB 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. A900

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

2. Energy S550

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (uses SIM 2 slot)

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. A900

    2000 mAh

  2. 2. Energy S550

    3000 mAh

    +1000 mAh versus A900

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. A9002. Energy S550

Everyday essentials
Everyday essentials — specifications for A900, Energy S550.
SpecificationA900Energy S550
Dimensions (HxWxD)
  • 152.8 Х 81.7 Х 10.2 mm
  • 154.8 Х 78.2 Х 8.8 mm
Weight
  • 185 g
  • 180 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 5" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 64 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.3.6 (Gingerbread)
  • Android 6.0 (Marshmallow)
Chipset Unknown
  • Mediatek MT6737 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A900, Energy S550.
SpecificationA900Energy S550
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 71.2 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.0%
  • 68.9%
PPI /points per inch/
  • 187 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for A900, Energy S550.
SpecificationA900Energy S550
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
Performance

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

Performance — specifications for A900, Energy S550.
SpecificationA900Energy S550
Processor CPU
  • 1.0 GHz
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720
Antutu 7 score * Unknown
  • 27825
General specs
General specs — specifications for A900, Energy S550.
SpecificationA900Energy S550
Release date
  • 2012
  • November
  • 2017
  • December
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 400 h (3G) Talking time- Up to 10 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A900, Energy S550.
SpecificationA900Energy S550
SIM card
  • Dual SIM (Mini-SIM)
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
Speed
  • HSPA
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Yes
  • 4.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.28 W/kg (head) 1.23 W/kg (body)
Music and Audio
Music and Audio — specifications for A900, Energy S550.
SpecificationA900Energy S550
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A900, Energy S550.
SpecificationA900Energy S550
Dop
  • Sensors Accelerometer MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Photo viewer/editor
  • Sensors Accelerometer
  • proximity