Celkon Q450 vs Panasonic P55 Max

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

    Q450: 33 g lighter

    Q450:
    147 g
    P55 Max:
    180 g
  • Width

    Q450: 9.9 mm narrower

    Q450:
    67.7 mm
    P55 Max:
    77.6 mm
  • Screen diagonal

    Q450: 1 in smaller diagonal

    Q450:
    4.5 in
    P55 Max:
    5.5 in
  • Chipset

    Q450:
    Spreadtrum 7731
    P55 Max:
    Mediatek MT6737 (28 nm)
  • Depth

    P55 Max: 1 mm thinner

    Q450:
    9.7 mm
    P55 Max:
    8.7 mm
  • Height

    Q450: 17 mm shorter

    Q450:
    135 mm
    P55 Max:
    152 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. Q450

    Height:
    135 mm
    Width:
    67.7 mm
    Depth:
    9.7 mm +1 mm versus P55 Max
  2. 2. P55 Max

    Height:
    152 mm +17 mm versus Q450
    Width:
    77.6 mm +9.9 mm versus Q450
    Depth:
    8.7 mm

Weight

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

  1. 1. Q450

    147 g

  2. 2. P55 Max

    180 g

    +33 g versus Q450

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. Q450

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    57.6 cm²
  2. 2. P55 Max

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

P55 Max has approximately 44.7% more rectangular screen area than Q450.

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 Q450, P55 Max, compared at the same storage capacity.
StorageQ450P55 Max
16 GB Unknown 3 GB RAM
Q450: 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. Q450

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

2. P55 Max

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. Q450

    1800 mAh

  2. 2. P55 Max

    5000 mAh

    +3200 mAh versus Q450

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. Q4502. P55 Max

Everyday essentials
Everyday essentials — specifications for Q450, P55 Max.
SpecificationQ450P55 Max
Dimensions (HxWxD)
  • 135 Х 67.7 Х 9.7 mm
  • 152 Х 77.6 Х 8.7 mm
Weight
  • 147 g
  • 180 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" 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.
  • 4 GB
  • 512 MB RAM
  • 16 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Li-Ion
  • 5000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 7.0 (Nougat)
Chipset
  • Spreadtrum 7731
  • Mediatek MT6737 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q450, P55 Max.
SpecificationQ450P55 Max
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 57.6 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 63.1%
  • 70.7%
PPI /points per inch/
  • 207 PPI
  • 267 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for Q450, P55 Max.
SpecificationQ450P55 Max
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • AF
Functions
  • LED flash
  • Quad-LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
Performance

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

Performance — specifications for Q450, P55 Max.
SpecificationQ450P55 Max
Processor CPU
  • Quad-core 1.2 GHz
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Mali-T720
Antutu 7 score * Unknown
  • 29156
General specs
General specs — specifications for Q450, P55 Max.
SpecificationQ450P55 Max
Release date
  • 2015
  • April
  • 2017
  • July
Colors
  • Gold
  • White
  • Champagne Gold
  • Matte Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 8500 INR
Communication and Connectivity
Communication and Connectivity — specifications for Q450, P55 Max.
SpecificationQ450P55 Max
SIM card
  • Dual SIM
  • 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 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
Speed
  • HSPA
  • HSPA
  • LTE
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
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.74 W/kg (head) 0.67 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q450, P55 Max.
SpecificationQ450P55 Max
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Q450, P55 Max.
SpecificationQ450P55 Max
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • Infrared port - For India