Celkon A40 vs Energizer Power Max P490

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

    A40: 12.5 g lighter

    A40:
    126.5 g
    Power Max P490:
    139 g
  • Width

    A40: 1.8 mm narrower

    A40:
    64 mm
    Power Max P490:
    65.8 mm
  • Screen diagonal

    A40: 0.95 in smaller diagonal

    A40:
    4 in
    Power Max P490:
    4.95 in
  • Rear camera layout

    A40:
    Single
    Power Max P490:
    Dual
  • Depth

    A40: 1.2 mm thinner

    A40:
    10.8 mm
    Power Max P490:
    12 mm
  • Height

    A40: 12.8 mm shorter

    A40:
    126.2 mm
    Power Max P490:
    139 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. A40

    Height:
    126.2 mm
    Width:
    64 mm
    Depth:
    10.8 mm
  2. 2. Power Max P490

    Height:
    139 mm +12.8 mm versus A40
    Width:
    65.8 mm +1.8 mm versus A40
    Depth:
    12 mm +1.2 mm versus A40

Weight

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

  1. 1. A40

    126.5 g

  2. 2. Power Max P490

    139 g

    +12.5 g versus A40

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. A40

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Power Max P490

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

Power Max P490 has approximately 38.8% more rectangular screen area than A40.

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 A40, Power Max P490, compared at the same storage capacity.
StorageA40Power Max P490
8 GB Unknown 1 GB RAM
A40: 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. A40

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

2. Power Max P490

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated 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. A40

    1500 mAh

  2. 2. Power Max P490

    4000 mAh

    +2500 mAh versus A40

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. A402. Power Max P490

Everyday essentials
Everyday essentials — specifications for A40, Power Max P490.
SpecificationA40Power Max P490
Dimensions (HxWxD)
  • 126.2 Х 64 Х 10.8 mm
  • 139 Х 65.8 Х 12 mm
Weight
  • 126.5 g
  • 139 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 4.95" 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
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 8.0 (Oreo Go)
Chipset Unknown
  • Mediatek MT6580M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A40, Power Max P490.
SpecificationA40Power Max P490
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 63.2 cm2
Screen format
  • 5:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 56.4%
  • 69.1%
PPI /points per inch/
  • 233 PPI
  • 217 PPI
Camera and Video
Camera and Video — specifications for A40, Power Max P490.
SpecificationA40Power Max P490
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Dual
Camera specs
  • 5 MP
  • 8 MP
  • AF -VGA
  • depth sensor
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Dual
Specifications
  • VGA
  • 5 MP VGA
  • depth sensor
Performance

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

Performance — specifications for A40, Power Max P490.
SpecificationA40Power Max P490
Processor CPU
  • Dual-core 1.3 GHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400 MP2
Antutu 7 score * Unknown
  • 38926
General specs
General specs — specifications for A40, Power Max P490.
SpecificationA40Power Max P490
Release date
  • 2014
  • January
  • 2018
  • June
Colors
  • White
  • Yellow
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 90 EUR
Battery life Unknown
  • Stand by time- Up to 400 h (3G) Talking time- Up to 10 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A40, Power Max P490.
SpecificationA40Power Max P490
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed Unknown
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A40, Power Max P490.
SpecificationA40Power Max P490
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A40, Power Max P490.
SpecificationA40Power Max P490
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity