Celkon A64 vs Energizer Power Max P550S

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

    A64: 77.4 g lighter

    A64:
    125.6 g
    Power Max P550S:
    203 g
  • Width

    A64: 13.3 mm narrower

    A64:
    65 mm
    Power Max P550S:
    78.3 mm
  • Screen diagonal

    A64: 1.5 in smaller diagonal

    A64:
    4 in
    Power Max P550S:
    5.5 in
  • Depth

    Power Max P550S: 1.1 mm thinner

    A64:
    10.5 mm
    Power Max P550S:
    9.4 mm
  • Height

    A64: 30.3 mm shorter

    A64:
    124 mm
    Power Max P550S:
    154.3 mm
  • Release year

    A64:
    2014
    Power Max P550S:
    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. A64

    Height:
    124 mm
    Width:
    65 mm
    Depth:
    10.5 mm +1.1 mm versus Power Max P550S
  2. 2. Power Max P550S

    Height:
    154.3 mm +30.3 mm versus A64
    Width:
    78.3 mm +13.3 mm versus A64
    Depth:
    9.4 mm

Weight

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

  1. 1. A64

    125.6 g

  2. 2. Power Max P550S

    203 g

    +77.4 g versus A64

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. A64

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. Power Max P550S

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

Power Max P550S has approximately 75% more rectangular screen area than A64.

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 A64, Power Max P550S, compared at the same storage capacity.
StorageA64Power Max P550S
16 GB Unknown 2 GB RAM
A64: Original memory entry

512 MB · 256 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. A64

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

2. Power Max P550S

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. A64

    1400 mAh

  2. 2. Power Max P550S

    5000 mAh

    +3600 mAh versus A64

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. A642. Power Max P550S

Everyday essentials
Everyday essentials — specifications for A64, Power Max P550S.
SpecificationA64Power Max P550S
Dimensions (HxWxD)
  • 124 Х 65 Х 10.5 mm
  • 154.3 Х 78.3 Х 9.4 mm
Weight
  • 125.6 g
  • 203 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" 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.
  • 512 MB
  • 256 MB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 64 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 5000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 7.0 (Nougat)
Chipset Unknown
  • Mediatek MT6737 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A64, Power Max P550S.
SpecificationA64Power Max P550S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 47.6 cm2
  • 83.4 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 59.1%
  • 69.0%
PPI /points per inch/
  • 144 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for A64, Power Max P550S.
SpecificationA64Power Max P550S
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
Performance

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

Performance — specifications for A64, Power Max P550S.
SpecificationA64Power Max P550S
Processor CPU
  • Dual-core 1.2 GHz
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720
Antutu 7 score * Unknown
  • 29302
General specs
General specs — specifications for A64, Power Max P550S.
SpecificationA64Power Max P550S
Release date
  • 2014
  • 2017
  • December
Colors
  • White
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 190 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 500 h (3G) Talking time- Up to 5 h (3G)
Body build Unknown
  • Front glass
  • metal body
Communication and Connectivity
Communication and Connectivity — specifications for A64, Power Max P550S.
SpecificationA64Power Max P550S
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 7(2600)
  • 20(800)
Speed Unknown
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
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
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.42 W/kg (head) 0.55 W/kg (body)
  • SAR - 0.16 W/kg (head) 1.74 W/kg (body)
Music and Audio
Music and Audio — specifications for A64, Power Max P550S.
SpecificationA64Power Max P550S
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A64, Power Max P550S.
SpecificationA64Power Max P550S
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging