Acer Liquid E2 vs Xiaomi Black Shark Helo

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.

  • Display technology

    OLED versus LCD

    Liquid E2:
    LCD
    Black Shark Helo:
    OLED
  • Weight

    Liquid E2: 50 g lighter

    Liquid E2:
    140 g
    Black Shark Helo:
    190 g
  • Width

    Liquid E2: 7.2 mm narrower

    Liquid E2:
    68 mm
    Black Shark Helo:
    75.2 mm
  • Screen diagonal

    Liquid E2: 1.51 in smaller diagonal

    Liquid E2:
    4.5 in
    Black Shark Helo:
    6.01 in
  • Chipset

    Liquid E2:
    Mediatek MT6589 (28 nm)
    Black Shark Helo:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    Liquid E2:
    Single
    Black Shark Helo:
    Dual

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. Liquid E2

    Height:
    131 mm
    Width:
    68 mm
    Depth:
    9.9 mm +1.2 mm versus Black Shark Helo
  2. 2. Black Shark Helo

    Height:
    160 mm +29 mm versus Liquid E2
    Width:
    75.2 mm +7.2 mm versus Liquid E2
    Depth:
    8.7 mm

Weight

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

  1. 1. Liquid E2

    140 g

  2. 2. Black Shark Helo

    190 g

    +50 g versus Liquid E2

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. Liquid E2

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Black Shark Helo

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

Black Shark Helo has approximately 67% more rectangular screen area than Liquid E2.

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 Liquid E2, Black Shark Helo, compared at the same storage capacity.
StorageLiquid E2Black Shark Helo
4 GB 1 GB RAM Unknown
Black Shark Helo: Original memory entry

256 GB · 10 GB RAM · 128 GB · 6/8 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. Liquid E2

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

2. Black Shark Helo

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

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. Liquid E2

    2000 mAh

  2. 2. Black Shark Helo

    4000 mAh

    +2000 mAh versus Liquid E2

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. Liquid E22. Black Shark Helo

Everyday essentials
Everyday essentials — specifications for Liquid E2, Black Shark Helo.
SpecificationLiquid E2Black Shark Helo
Dimensions (HxWxD)
  • 131 Х 68 Х 9.9 mm
  • 160 Х 75.2 Х 8.7 mm
Weight
  • 140 g
  • 190 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 4.5" inch
  • 6.01" inch
Screen resolution
  • 540 x 960 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 256 GB
  • 10 GB RAM
  • 128 GB
  • 6/8 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.1 (Jelly Bean)
  • Android 8.0 (Oreo)
Chipset
  • Mediatek MT6589 (28 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Liquid E2, Black Shark Helo.
SpecificationLiquid E2Black Shark Helo
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 93.2 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 62.7%
  • 77.5%
PPI /points per inch/
  • 245 PPI
  • 402 PPI
Camera and Video
Camera and Video — specifications for Liquid E2, Black Shark Helo.
SpecificationLiquid E2Black Shark Helo
Rear camera, main
  • 8 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 8 MP
  • AF
  • 12 MP
  • f/1.8
  • 1.25µm
  • dual pixel PDAF -20 MP
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • Dual-LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 2 MP
  • 20 MP
  • f/2.2
  • 1.0µm
Performance

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

Performance — specifications for Liquid E2, Black Shark Helo.
SpecificationLiquid E2Black Shark Helo
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • PowerVR SGX544
  • Adreno 630
Antutu 7 score *
  • 14005
Unknown
GeekBench 4 Single Core *
  • 2870 mAh
Unknown
GeekBench 4 Multi-Core *
  • 1036
Unknown
Antutu 8 score * Unknown
  • 332385
GeekBench 5 Single Core * Unknown
  • 421
GeekBench 5 Multi-Core * Unknown
  • 1769
General specs
General specs — specifications for Liquid E2, Black Shark Helo.
SpecificationLiquid E2Black Shark Helo
Release date
  • 2013
  • April
  • 2018
  • October
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 450 EUR
Battery life
  • Stand by time- Up to 450 h Talking time- Up to 9 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Liquid E2, Black Shark Helo.
SpecificationLiquid E2Black Shark Helo
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 (dual-SIM model only)-3G - HSDPA-4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
  • LTE-A (3CA)
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 3.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • aptX HD
  • LE
Harmful irradiation
  • SAR EU - 0.23 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Liquid E2, Black Shark Helo.
SpecificationLiquid E2Black Shark Helo
Radio
  • FM radio
  • No
Others
  • DTS sound -Active noise cancellation with dedicated mic
  • Always-on display -100% DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Liquid E2, Black Shark Helo.
SpecificationLiquid E2Black Shark Helo
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as Acer Liquid E2 Duo with dual-SIM card slots
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 3.0)