Celkon Q450 vs Meizu m2 note

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.

  • Width

    Q450: 7.5 mm narrower

    Q450:
    67.7 mm
    m2 note:
    75.2 mm
  • Screen diagonal

    Q450: 1 in smaller diagonal

    Q450:
    4.5 in
    m2 note:
    5.5 in
  • Chipset

    Q450:
    Spreadtrum 7731
    m2 note:
    Mediatek MT6753 (28 nm)
  • Depth

    m2 note: 1 mm thinner

    Q450:
    9.7 mm
    m2 note:
    8.7 mm
  • Height

    Q450: 15.9 mm shorter

    Q450:
    135 mm
    m2 note:
    150.9 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 m2 note
  2. 2. m2 note

    Height:
    150.9 mm +15.9 mm versus Q450
    Width:
    75.2 mm +7.5 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. m2 note

    149 g

    +2 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. m2 note

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

m2 note 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, m2 note, compared at the same storage capacity.
StorageQ450m2 note
16 GB Unknown 2 GB RAM
32 GB Unknown 2 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. m2 note

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Q450

    1800 mAh

  2. 2. m2 note

    3100 mAh

    +1300 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. m2 note

Everyday essentials
Everyday essentials — specifications for Q450, m2 note.
SpecificationQ450m2 note
Dimensions (HxWxD)
  • 135 Х 67.7 Х 9.7 mm
  • 150.9 Х 75.2 Х 8.7 mm
Weight
  • 147 g
  • 149 g
Technology
  • IPS LCD
  • IGZO IPS LCD
Screen size
  • 4.5" 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
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Li-Ion
  • 3100 mAh
  • Non-removable
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 5.0 (Lollipop); Flyme 4.5
Chipset
  • Spreadtrum 7731
  • Mediatek MT6753 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q450, m2 note.
SpecificationQ450m2 note
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 57.6 cm2
  • 82.6 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 63.1%
  • 72.8%
PPI /points per inch/
  • 207 PPI
  • 403 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass or Dinorex T2X-1 scratch/shock resistant glass
Camera and Video
Camera and Video — specifications for Q450, m2 note.
SpecificationQ450m2 note
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • f/2.2
  • 1/3''
  • AF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance

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

Performance — specifications for Q450, m2 note.
SpecificationQ450m2 note
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Mali-T720MP3
Antutu 7 score * Unknown
  • 32652
GeekBench 4 Single Core * Unknown
  • 580
GeekBench 4 Multi-Core * Unknown
  • 2241
GeekBench 4 RenderScript * Unknown
  • 1447
General specs
General specs — specifications for Q450, m2 note.
SpecificationQ450m2 note
Release date
  • 2015
  • April
  • 2015
  • June
Colors
  • Gold
  • White
  • Gray
  • White
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Q450, m2 note.
SpecificationQ450m2 note
SIM card
  • Dual SIM
  • Hybrid Dual 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 850 / 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 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 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.74 W/kg (head) 0.67 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q450, m2 note.
SpecificationQ450m2 note
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Q450, m2 note.
SpecificationQ450m2 note
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as Meizu Blue Charm Note2