Allview E3 Sign vs BLU Grand M2

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

    Grand M2: 3.8 mm narrower

    E3 Sign:
    75.9 mm
    Grand M2:
    72.1 mm
  • Screen diagonal

    Grand M2: 0.3 in smaller diagonal

    E3 Sign:
    5.5 in
    Grand M2:
    5.2 in
  • Chipset

    E3 Sign:
    Mediatek MT6582 (28 nm)
    Grand M2:
    Mediatek MT6580 (28 nm)
  • Height

    Grand M2: 7.6 mm shorter

    E3 Sign:
    152.5 mm
    Grand M2:
    144.9 mm
  • Release year

    E3 Sign:
    2015
    Grand M2:
    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. E3 Sign

    Height:
    152.5 mm +7.6 mm versus Grand M2
    Width:
    75.9 mm +3.8 mm versus Grand M2
    Depth:
    9.3 mm
  2. 2. Grand M2

    Height:
    144.9 mm
    Width:
    72.1 mm
    Depth:
    9.4 mm

Weight

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

  1. 1. E3 Sign

    161.9 g

    +1.9 g versus Grand M2

  2. 2. Grand M2

    160 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. Grand M2

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

E3 Sign has approximately 11.9% more rectangular screen area than Grand M2.

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, Grand M2, compared at the same storage capacity.
StorageE3 SignGrand M2
8 GB Not recorded 1 GB RAM
16 GB 2 GB RAM Not recorded

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. Grand M2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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

    +200 mAh versus Grand M2

  2. 2. Grand M2

    2600 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. Grand M2

Everyday essentials
Everyday essentials — specifications for E3 Sign, Grand M2.
SpecificationE3 SignGrand M2
Dimensions (HxWxD)
  • 152.5 Х 75.9 Х 9.3 mm
  • 144.9 Х 72.1 Х 9.4 mm
Weight
  • 161.9 g
  • 160 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.2" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2800 mAh
  • Removable Li-Po
  • 2600 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6582 (28 nm)
  • Mediatek MT6580 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for E3 Sign, Grand M2.
SpecificationE3 SignGrand M2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 83.4 cm2
  • 74.5 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 72.0%
  • 71.3%
PPI /points per inch/
  • 267 PPI
  • 188 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for E3 Sign, Grand M2.
SpecificationE3 SignGrand M2
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
  • 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 E3 Sign, Grand M2.
SpecificationE3 SignGrand M2
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-400MP2
Antutu 7 score *
  • 24156
Unknown
General specs
General specs — specifications for E3 Sign, Grand M2.
SpecificationE3 SignGrand M2
Release date
  • 2015
  • March
  • 2017
  • October
Colors
  • Black
  • Black
  • Gold
  • Silver
  • Red
  • Rose Gold
Battery life
  • Stand by time- Up to 280 h Talking time- Up to 10 h 20 min
  • Stand by time- Up to 725 h (2G) / Up to 625 h (3G) Talking time- Up to 22 h (2G) / Up to 16 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for E3 Sign, Grand M2.
SpecificationE3 SignGrand M2
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/11.5 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.67 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for E3 Sign, Grand M2.
SpecificationE3 SignGrand M2
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for E3 Sign, Grand M2.
SpecificationE3 SignGrand M2
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