Allview E3 Sign vs Celkon Q450

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: 14.9 g lighter

    E3 Sign:
    161.9 g
    Q450:
    147 g
  • Width

    Q450: 8.2 mm narrower

    E3 Sign:
    75.9 mm
    Q450:
    67.7 mm
  • Screen diagonal

    Q450: 1 in smaller diagonal

    E3 Sign:
    5.5 in
    Q450:
    4.5 in
  • Chipset

    E3 Sign:
    Mediatek MT6582 (28 nm)
    Q450:
    Spreadtrum 7731
  • Height

    Q450: 17.5 mm shorter

    E3 Sign:
    152.5 mm
    Q450:
    135 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. E3 Sign

    Height:
    152.5 mm +17.5 mm versus Q450
    Width:
    75.9 mm +8.2 mm versus Q450
    Depth:
    9.3 mm
  2. 2. Q450

    Height:
    135 mm
    Width:
    67.7 mm
    Depth:
    9.7 mm

Weight

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

  1. 1. E3 Sign

    161.9 g

    +14.9 g versus Q450

  2. 2. Q450

    147 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. E3 Sign

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Q450

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

E3 Sign 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 E3 Sign, Q450, compared at the same storage capacity.
StorageE3 SignQ450
16 GB 2 GB RAM Unknown
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. E3 Sign

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

2. Q450

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

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. E3 Sign

    2800 mAh

    +1000 mAh versus Q450

  2. 2. Q450

    1800 mAh

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. E3 Sign2. Q450

Everyday essentials
Everyday essentials — specifications for E3 Sign, Q450.
SpecificationE3 SignQ450
Dimensions (HxWxD)
  • 152.5 Х 75.9 Х 9.3 mm
  • 135 Х 67.7 Х 9.7 mm
Weight
  • 161.9 g
  • 147 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 4.5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2800 mAh
  • Removable Li-Po
  • 1800 mAh
  • Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6582 (28 nm)
  • Spreadtrum 7731
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for E3 Sign, Q450.
SpecificationE3 SignQ450
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
Unknown
Screen area
  • 83.4 cm2
  • 57.6 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 72.0%
  • 63.1%
PPI /points per inch/
  • 267 PPI
  • 207 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for E3 Sign, Q450.
SpecificationE3 SignQ450
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 2 MP
  • 2 MP
Performance

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

Performance — specifications for E3 Sign, Q450.
SpecificationE3 SignQ450
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.2 GHz
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-400
Antutu 7 score *
  • 24156
Unknown
General specs
General specs — specifications for E3 Sign, Q450.
SpecificationE3 SignQ450
Release date
  • 2015
  • March
  • 2015
  • April
Colors
  • Black
  • Gold
  • White
Battery life
  • Stand by time- Up to 280 h Talking time- Up to 10 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for E3 Sign, Q450.
SpecificationE3 SignQ450
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/11.5 Mbps
  • HSPA
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.0
Harmful irradiation
  • SAR EU - 0.67 W/kg (head)
  • SAR EU - 0.74 W/kg (head) 0.67 W/kg (body)
Music and Audio
Music and Audio — specifications for E3 Sign, Q450.
SpecificationE3 SignQ450
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for E3 Sign, Q450.
SpecificationE3 SignQ450
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity - Also known as Liquid E3 E380 Available as Acer Liquid E3 Duo with dual-SIM card slots
  • Infrared port - Fast battery charging (Pump Express 2.0+) - For metroPCS
  • Sensors Accelerometer
  • proximity