Archos 50b Cobalt 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

    50b Cobalt:
    LCD
    Black Shark Helo:
    OLED
  • Weight

    50b Cobalt: 30 g lighter

    50b Cobalt:
    160 g
    Black Shark Helo:
    190 g
  • Screen diagonal

    50b Cobalt: 0.51 in smaller diagonal

    50b Cobalt:
    5.5 in
    Black Shark Helo:
    6.01 in
  • Chipset

    50b Cobalt:
    Qualcomm MSM8909 Snapdragon 210 (28 nm)
    Black Shark Helo:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    50b Cobalt:
    Single
    Black Shark Helo:
    Dual
  • Release year

    50b Cobalt:
    2017
    Black Shark Helo:
    2018

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. 50b Cobalt

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  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. 50b Cobalt

    160 g

  2. 2. Black Shark Helo

    190 g

    +30 g versus 50b Cobalt

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. 50b Cobalt

    50b Cobalt: Screen geometry unavailable or conflicting.

  2. 2. Black Shark Helo

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

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

50b Cobalt: Original memory entry

16/32 GB · 1/2 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. 50b Cobalt

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. 50b Cobalt

    2100 mAh

  2. 2. Black Shark Helo

    4000 mAh

    +1900 mAh versus 50b Cobalt

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. 50b Cobalt2. Black Shark Helo

Everyday essentials
Everyday essentials — specifications for 50b Cobalt, Black Shark Helo.
Specification50b CobaltBlack Shark Helo
Dimensions (HxWxD)
  • 144 Х 72 Х 0 mm
  • 160 Х 75.2 Х 8.7 mm
Weight
  • 160 g
  • 190 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5.5" inch
  • 6.01" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 1/2 GB RAM
  • 256 GB
  • 10 GB RAM
  • 128 GB
  • 6/8 GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 8.0 (Oreo)
Chipset
  • Qualcomm MSM8909 Snapdragon 210 (28 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for 50b Cobalt, Black Shark Helo.
Specification50b CobaltBlack Shark Helo
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 93.2 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 136 Х 66.5 Х 9.6 mm
  • 77.5%
PPI /points per inch/
  • 294 PPI
  • 402 PPI
Camera and Video
Camera and Video — specifications for 50b Cobalt, Black Shark Helo.
Specification50b CobaltBlack Shark Helo
Rear camera, main
  • 13 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 13 MP
  • AF
  • 12 MP
  • f/1.8
  • 1.25µm
  • dual pixel PDAF -20 MP
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 720p@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 50b Cobalt, Black Shark Helo.
Specification50b CobaltBlack Shark Helo
Processor CPU
  • Quad-core 1.1 GHz Cortex-A7
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 304
  • Adreno 630
Antutu 7 score *
  • 17582
Unknown
Antutu 8 score * Unknown
  • 332385
GeekBench 5 Single Core * Unknown
  • 421
GeekBench 5 Multi-Core * Unknown
  • 1769
General specs
General specs — specifications for 50b Cobalt, Black Shark Helo.
Specification50b CobaltBlack Shark Helo
Release date
  • 2017
  • January
  • 2018
  • October
Colors
  • Gray
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 450 EUR
Communication and Connectivity
Communication and Connectivity — specifications for 50b Cobalt, Black Shark Helo.
Specification50b CobaltBlack Shark Helo
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-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 800 / 1800 / 2100 / 2600
  • 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 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A (3CA)
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 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
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • aptX HD
  • LE
Harmful irradiation
  • SAR EU - 0.35 W/kg (head) 1.62 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for 50b Cobalt, Black Shark Helo.
Specification50b CobaltBlack Shark Helo
Radio
  • FM radio
  • No
Others Unknown
  • Always-on display -100% DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for 50b Cobalt, Black Shark Helo.
Specification50b CobaltBlack Shark Helo
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 3.0)