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Allview E3 Sign vs TECNO Spark CM

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    E3 Sign: 10.1 g lighter

    E3 Sign:
    161.9 g
    Spark CM:
    172 g
  • Width

    Spark CM: 4.2 mm narrower

    E3 Sign:
    75.9 mm
    Spark CM:
    71.7 mm
  • Screen diagonal

    E3 Sign: 0.2 in smaller diagonal

    E3 Sign:
    5.5 in
    Spark CM:
    5.7 in
  • Chipset

    E3 Sign:
    Mediatek MT6582 (28 nm)
    Spark CM:
    Mediatek MT6737
  • Depth

    Spark CM: 3.7 mm thinner

    E3 Sign:
    9.3 mm
    Spark CM:
    5.6 mm
  • Release year

    E3 Sign:
    2015
    Spark CM:
    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
    Width:
    75.9 mm +4.2 mm versus Spark CM
    Depth:
    9.3 mm +3.7 mm versus Spark CM
  2. 2. Spark CM

    Height:
    152.2 mm
    Width:
    71.7 mm
    Depth:
    5.6 mm

Weight

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

  1. 1. E3 Sign

    161.9 g

  2. 2. Spark CM

    172 g

    +10.1 g versus E3 Sign

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. Spark CM

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

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, Spark CM, compared at the same storage capacity.
StorageE3 SignSpark CM
16 GB Recorded for all phones 2 GB RAM 2 GB 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. Spark CM

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

  2. 2. Spark CM

    3050 mAh

    +250 mAh versus E3 Sign

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. Spark CM

Everyday essentials
Everyday essentials — specifications for E3 Sign, Spark CM.
SpecificationE3 SignSpark CM
Dimensions (HxWxD)
  • 152.5 Х 75.9 Х 9.3 mm
  • 152.2 Х 71.7 Х 5.6 mm
Weight
  • 161.9 g
  • 172 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.7" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 16 GB
  • 2 GB 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
  • 3050 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6582 (28 nm)
  • Mediatek MT6737
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for E3 Sign, Spark CM.
SpecificationE3 SignSpark CM
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 83.4 cm2
  • 83.8 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 72.0%
  • 76.8%
PPI /points per inch/
  • 267 PPI
  • 282 PPI
Screen protection
  • Scratch-resistant glass
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for E3 Sign, Spark CM.
SpecificationE3 SignSpark CM
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • f/2.0
  • AF
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 2 MP
  • 8 MP
Performance
Performance — specifications for E3 Sign, Spark CM.
SpecificationE3 SignSpark CM
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-T720MP2
Antutu 7 score Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 24156
Unknown
General specs
General specs — specifications for E3 Sign, Spark CM.
SpecificationE3 SignSpark CM
Release date
  • 2015
  • March
  • 2017
  • December
Colors
  • Black
  • Midnight Black
  • Champagne Gold
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, Spark CM.
SpecificationE3 SignSpark CM
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/11.5 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.67 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for E3 Sign, Spark CM.
SpecificationE3 SignSpark CM
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for E3 Sign, Spark CM.
SpecificationE3 SignSpark CM
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 Fingerprint (rear-mounted)
  • accelerometer
  • proximity