Allview E3 Sign vs LG K40

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

    K40: 11.9 g lighter

    E3 Sign:
    161.9 g
    K40:
    150 g
  • Width

    K40: 4 mm narrower

    E3 Sign:
    75.9 mm
    K40:
    71.9 mm
  • Screen diagonal

    E3 Sign: 0.2 in smaller diagonal

    E3 Sign:
    5.5 in
    K40:
    5.7 in
  • Chipset

    E3 Sign:
    Mediatek MT6582 (28 nm)
    K40:
    Mediatek MT6762 Helio P22 (12 nm)
  • Depth

    K40: 1 mm thinner

    E3 Sign:
    9.3 mm
    K40:
    8.3 mm
  • Release year

    E3 Sign:
    2015
    K40:
    2019

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 mm versus K40
    Depth:
    9.3 mm +1 mm versus K40
  2. 2. K40

    Height:
    153 mm
    Width:
    71.9 mm
    Depth:
    8.3 mm

Weight

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

  1. 1. E3 Sign

    161.9 g

    +11.9 g versus K40

  2. 2. K40

    150 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. K40

    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, K40, compared at the same storage capacity.
StorageE3 SignK40
16 GB 2 GB RAM Unknown
K40: Original memory entry

32 GB · 2/3 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. K40

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. E3 Sign

    2800 mAh

  2. 2. K40

    3000 mAh

    +200 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. K40

Everyday essentials
Everyday essentials — specifications for E3 Sign, K40.
SpecificationE3 SignK40
Dimensions (HxWxD)
  • 152.5 Х 75.9 Х 9.3 mm
  • 153 Х 71.9 Х 8.3 mm
Weight
  • 161.9 g
  • 150 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
  • 32 GB
  • 2/3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2800 mAh
  • Removable Li-Po
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 8.1 (Oreo)
Chipset
  • Mediatek MT6582 (28 nm)
  • Mediatek MT6762 Helio P22 (12 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for E3 Sign, K40.
SpecificationE3 SignK40
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%
  • 76.2%
PPI /points per inch/
  • 267 PPI
  • 282 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for E3 Sign, K40.
SpecificationE3 SignK40
Rear camera, main
  • 8 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 16 MP
  • f/2.0
  • PDAF
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
  • f/2.0
Performance

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

Performance — specifications for E3 Sign, K40.
SpecificationE3 SignK40
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • PowerVR GE8320
Antutu 7 score *
  • 24156
  • 75203
General specs
General specs — specifications for E3 Sign, K40.
SpecificationE3 SignK40
Release date
  • 2015
  • March
  • 2019
  • February
Colors
  • Black
  • Black
  • Platinum
  • Blue
Battery life
  • Stand by time- Up to 280 h Talking time- Up to 10 h 20 min
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for E3 Sign, K40.
SpecificationE3 SignK40
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
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
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.67 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for E3 Sign, K40.
SpecificationE3 SignK40
Radio
  • FM radio
  • FM radio
Others Unknown
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for E3 Sign, K40.
SpecificationE3 SignK40
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 - MIL-STD-810G compliant - Also known as LG K12+
  • LG K12 Plus
  • LG X4 (2019)