Archos 55 Cobalt Plus vs Xiaomi Black Shark 3

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

    55 Cobalt Plus:
    LCD
    Black Shark 3:
    OLED
  • Weight

    55 Cobalt Plus: 92 g lighter

    55 Cobalt Plus:
    130 g
    Black Shark 3:
    222 g
  • Screen diagonal

    55 Cobalt Plus: 1.17 in smaller diagonal

    55 Cobalt Plus:
    5.5 in
    Black Shark 3:
    6.67 in
  • Chipset

    55 Cobalt Plus:
    Mediatek MT6735P (28 nm)
    Black Shark 3:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Rear camera layout

    55 Cobalt Plus:
    Single
    Black Shark 3:
    Triple
  • Depth

    55 Cobalt Plus: 2.1 mm thinner

    55 Cobalt Plus:
    8.3 mm
    Black Shark 3:
    10.4 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. 55 Cobalt Plus

    Height:
    152.5 mm
    Width:
    77 mm
    Depth:
    8.3 mm
  2. 2. Black Shark 3

    Height:
    168.7 mm +16.2 mm versus 55 Cobalt Plus
    Width:
    77.3 mm
    Depth:
    10.4 mm +2.1 mm versus 55 Cobalt Plus

Weight

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

  1. 1. 55 Cobalt Plus

    130 g

  2. 2. Black Shark 3

    222 g

    +92 g versus 55 Cobalt Plus

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. 55 Cobalt Plus

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Black Shark 3

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²

Black Shark 3 has approximately 28.8% more rectangular screen area than 55 Cobalt Plus.

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 55 Cobalt Plus, Black Shark 3, compared at the same storage capacity.
Storage55 Cobalt PlusBlack Shark 3
16 GB 2 GB RAM Not recorded
128 GB Not recorded 8 / 12 GB RAM Alternative RAM configurations
256 GB Not recorded 12 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. 55 Cobalt Plus

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

2. Black Shark 3

NFC:
Unknown
Headphone jack:
Yes
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. 55 Cobalt Plus

    2700 mAh

  2. 2. Black Shark 3

    4720 mAh

    +2020 mAh versus 55 Cobalt Plus

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. 55 Cobalt Plus2. Black Shark 3

Everyday essentials
Everyday essentials — specifications for 55 Cobalt Plus, Black Shark 3.
Specification55 Cobalt PlusBlack Shark 3
Dimensions (HxWxD)
  • 152.5 Х 77 Х 8.3 mm
  • 168.7 Х 77.3 Х 10.4 mm
Weight
  • 130 g
  • 222 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5.5" inch
  • 6.67" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 128GB 8GB RAM
  • 128GB 12GB RAM
  • 256GB 12GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2700 mAh
  • Non-removable Li-Ion
  • 4720 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1.1 (Lollipop)
  • Android 10.0
Chipset
  • Mediatek MT6735P (28 nm)
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 55 Cobalt Plus, Black Shark 3.
Specification55 Cobalt PlusBlack Shark 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 107.4 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 71.0%
  • 82.4%
PPI /points per inch/
  • 267 PPI
  • 395 PPI
Camera and Video
Camera and Video — specifications for 55 Cobalt Plus, Black Shark 3.
Specification55 Cobalt PlusBlack Shark 3
Rear camera, main
  • 13 MP
  • Single
  • 64 MP
  • Triple
Camera specs
  • 13 MP
  • AF
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -13 MP
  • f/2.3
  • (ultrawide) -5 MP
  • f/2.2
  • (depth)
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 2 MP
  • 20 MP
  • f/2.2
  • (wide)
  • 1/3''
  • 0.9μm
Performance

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

Performance — specifications for 55 Cobalt Plus, Black Shark 3.
Specification55 Cobalt PlusBlack Shark 3
Processor CPU
  • Quad-core 1.0 GHz Cortex-A53
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
Graphics processor GPU
  • Mali-T720MP2
  • Adreno 650
Antutu 7 score *
  • 21040
Unknown
Antutu 8 score * Unknown
  • 603541
General specs
General specs — specifications for 55 Cobalt Plus, Black Shark 3.
Specification55 Cobalt PlusBlack Shark 3
Release date
  • 2016
  • January
  • 2020
  • March 3
Colors
  • Blue/Gray
  • Lightning Black
  • Armor Gray
  • Star Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • $ 550
Battery life
  • Stand by time- Up to 450 h Talking time- Up to 27 h
Unknown
Body build Unknown
  • Glass front
  • aluminum back
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for 55 Cobalt Plus, Black Shark 3.
Specification55 Cobalt PlusBlack Shark 3
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 / 2100-4G - LTE band 1(2100)
  • 7(2600)
  • 9(1800)
  • 20(800)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) -5G - 5G band 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A; 5G
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • aptX Adaptive
Harmful irradiation
  • SAR EU - 0.25 W/kg (head) 1.28 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for 55 Cobalt Plus, Black Shark 3.
Specification55 Cobalt PlusBlack Shark 3
Radio
  • Stereo FM radio
  • RDS
  • recording
  • No
Others Unknown
  • Always-on display -90Hz refresh rate -500 nits typ. brightness -HDR10+
Other features
Other features — specifications for 55 Cobalt Plus, Black Shark 3.
Specification55 Cobalt PlusBlack Shark 3
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 65W: 100% in 38 min -Fast battery charging 30W (128/8 model) -Magnetic charging 18W