Allview X2 Xtreme 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.

  • Weight

    Black Shark Helo: 14.4 g lighter

    X2 Xtreme:
    204.4 g
    Black Shark Helo:
    190 g
  • Width

    Black Shark Helo: 6.8 mm narrower

    X2 Xtreme:
    82 mm
    Black Shark Helo:
    75.2 mm
  • Chipset

    X2 Xtreme:
    Mediatek MT6795 Helio X10 (28 nm)
    Black Shark Helo:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    X2 Xtreme:
    Single
    Black Shark Helo:
    Dual
  • Depth

    Black Shark Helo: 0.9 mm thinner

    X2 Xtreme:
    9.6 mm
    Black Shark Helo:
    8.7 mm
  • Height

    Black Shark Helo: 4 mm shorter

    X2 Xtreme:
    164 mm
    Black Shark Helo:
    160 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. X2 Xtreme

    Height:
    164 mm +4 mm versus Black Shark Helo
    Width:
    82 mm +6.8 mm versus Black Shark Helo
    Depth:
    9.6 mm +0.9 mm versus Black Shark Helo
  2. 2. Black Shark Helo

    Height:
    160 mm
    Width:
    75.2 mm
    Depth:
    8.7 mm

Weight

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

  1. 1. X2 Xtreme

    204.4 g

    +14.4 g versus Black Shark Helo

  2. 2. Black Shark Helo

    190 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. X2 Xtreme

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

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

X2 Xtreme has approximately 6.5% more rectangular screen area than Black Shark Helo.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

X2 Xtreme: Original memory entry

up to 64 GB (dedicated slot) · 3 GB RAM

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. X2 Xtreme

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. X2 Xtreme

    3500 mAh

  2. 2. Black Shark Helo

    4000 mAh

    +500 mAh versus X2 Xtreme

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. X2 Xtreme2. Black Shark Helo

Everyday essentials
Everyday essentials — specifications for X2 Xtreme, Black Shark Helo.
SpecificationX2 XtremeBlack Shark Helo
Dimensions (HxWxD)
  • 164 Х 82 Х 9.6 mm
  • 160 Х 75.2 Х 8.7 mm
Weight
  • 204.4 g
  • 190 g
Technology
  • Super AMOLED
  • AMOLED
Screen size
  • 6" inch
  • 6.01" inch
Screen resolution
  • 1440 x 2560 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • up to 64 GB (dedicated slot)
  • 3 GB RAM
  • 256 GB
  • 10 GB RAM
  • 128 GB
  • 6/8 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 8.0 (Oreo)
Chipset
  • Mediatek MT6795 Helio X10 (28 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for X2 Xtreme, Black Shark Helo.
SpecificationX2 XtremeBlack Shark Helo
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 99.2 cm2
  • 93.2 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 73.8%
  • 77.5%
PPI /points per inch/
  • 490 PPI
  • 402 PPI
Camera and Video
Camera and Video — specifications for X2 Xtreme, Black Shark Helo.
SpecificationX2 XtremeBlack Shark Helo
Rear camera, main
  • 24 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 24 MP
  • 1/2.3''
  • DTS HD sound -Active noise cancellation with dedicated mic
  • PDAF & laser AF
  • 12 MP
  • f/1.8
  • 1.25µm
  • dual pixel PDAF -20 MP
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 8 MP
  • AF
  • 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 X2 Xtreme, Black Shark Helo.
SpecificationX2 XtremeBlack Shark Helo
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • PowerVR G6200
  • Adreno 630
Antutu 7 score *
  • 48960
Unknown
Antutu 8 score * Unknown
  • 332385
GeekBench 5 Single Core * Unknown
  • 421
GeekBench 5 Multi-Core * Unknown
  • 1769
General specs
General specs — specifications for X2 Xtreme, Black Shark Helo.
SpecificationX2 XtremeBlack Shark Helo
Release date
  • 2015
  • June
  • 2018
  • October
Colors
  • Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 490 EUR
  • 450 EUR
Battery life
  • Stand by time- Up to 350 h (3G) Talking time- Up to 12 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for X2 Xtreme, Black Shark Helo.
SpecificationX2 XtremeBlack 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 2-3G - HSDPA 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 7(2600)
  • 33(1900)
  • 38(2600)
  • 39(1900)
  • 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 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A (3CA)
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • 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
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • aptX HD
  • LE
Music and Audio
Music and Audio — specifications for X2 Xtreme, Black Shark Helo.
SpecificationX2 XtremeBlack Shark Helo
Radio
  • FM radio
  • recording
  • 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 X2 Xtreme, Black Shark Helo.
SpecificationX2 XtremeBlack Shark Helo
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 3.0)