Xiaomi Black Shark Helo vs Xiaomi Redmi 2A

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

    Black Shark Helo:
    OLED
    Redmi 2A:
    LCD
  • Weight

    Redmi 2A: 58 g lighter

    Black Shark Helo:
    190 g
    Redmi 2A:
    132 g
  • Width

    Redmi 2A: 8 mm narrower

    Black Shark Helo:
    75.2 mm
    Redmi 2A:
    67.2 mm
  • Screen diagonal

    Redmi 2A: 1.31 in smaller diagonal

    Black Shark Helo:
    6.01 in
    Redmi 2A:
    4.7 in
  • Rear camera layout

    Black Shark Helo:
    Dual
    Redmi 2A:
    Single
  • Depth

    Black Shark Helo: 0.7 mm thinner

    Black Shark Helo:
    8.7 mm
    Redmi 2A:
    9.4 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. Black Shark Helo

    Height:
    160 mm +26 mm versus Redmi 2A
    Width:
    75.2 mm +8 mm versus Redmi 2A
    Depth:
    8.7 mm
  2. 2. Redmi 2A

    Height:
    134 mm
    Width:
    67.2 mm
    Depth:
    9.4 mm +0.7 mm versus Black Shark Helo

Weight

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

  1. 1. Black Shark Helo

    190 g

    +58 g versus Redmi 2A

  2. 2. Redmi 2A

    132 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. Black Shark Helo

    Screen diagonal:
    6.01 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    93.2 cm²
  2. 2. Redmi 2A

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²

Black Shark Helo has approximately 53.1% more rectangular screen area than Redmi 2A.

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 Black Shark Helo, Redmi 2A, compared at the same storage capacity.
StorageBlack Shark HeloRedmi 2A
8 GB Unknown 1 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. Black Shark Helo

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

2. Redmi 2A

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Black Shark Helo

    4000 mAh

    +1800 mAh versus Redmi 2A

  2. 2. Redmi 2A

    2200 mAh

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. Black Shark Helo2. Redmi 2A

Everyday essentials
Everyday essentials — specifications for Black Shark Helo, Redmi 2A.
SpecificationBlack Shark HeloRedmi 2A
Dimensions (HxWxD)
  • 160 Х 75.2 Х 8.7 mm
  • 134 Х 67.2 Х 9.4 mm
Weight
  • 190 g
  • 132 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 6.01" inch
  • 4.7" inch
Screen resolution
  • 1080 x 2160 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 GB
  • 10 GB RAM
  • 128 GB
  • 6/8 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 2200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.0 (Oreo)
  • Android 5.0 (Lollipop); MIUI 6
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Leadcore L1860C
Headphone jack
  • No
  • Yes
Display
Display — specifications for Black Shark Helo, Redmi 2A.
SpecificationBlack Shark HeloRedmi 2A
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 93.2 cm2
  • 60.9 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 77.5%
  • 67.6%
PPI /points per inch/
  • 402 PPI
  • 312 PPI
Screen protection Unknown
  • To be confirmed
Camera and Video
Camera and Video — specifications for Black Shark Helo, Redmi 2A.
SpecificationBlack Shark HeloRedmi 2A
Rear camera, main
  • 12 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1.25µm
  • dual pixel PDAF -20 MP
  • 1.0µm
  • AF
  • 2x optical zoom
  • 8 MP
  • f/2.2
  • 28mm (wide)
  • 1/3.2''
  • 1.4µm
  • AF
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 20 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 20 MP
  • f/2.2
  • 1.0µm
  • 2 MP
Performance

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

Performance — specifications for Black Shark Helo, Redmi 2A.
SpecificationBlack Shark HeloRedmi 2A
Processor CPU
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
  • Quad-core 1.5 GHz
Graphics processor GPU
  • Adreno 630
  • Mali-T628 MP2
Antutu 8 score *
  • 332385
Unknown
GeekBench 5 Single Core *
  • 421
Unknown
GeekBench 5 Multi-Core *
  • 1769
Unknown
General specs
General specs — specifications for Black Shark Helo, Redmi 2A.
SpecificationBlack Shark HeloRedmi 2A
Release date
  • 2018
  • October
  • 2015
  • March
Colors
  • Black
  • Black
  • Green
  • Yellow
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 450 EUR
  • 130 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Black Shark Helo, Redmi 2A.
SpecificationBlack Shark HeloRedmi 2A
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • 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)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1900 / 2100 TD-SCDMA -4G - LTE band 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE-A (3CA)
  • HSPA
  • LTE
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 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • aptX HD
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Black Shark Helo, Redmi 2A.
SpecificationBlack Shark HeloRedmi 2A
Radio
  • No
  • FM radio
Others
  • Always-on display -100% DCI-P3
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Black Shark Helo, Redmi 2A.
SpecificationBlack Shark HeloRedmi 2A
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 3.0)
  • Sensors Accelerometer
  • proximity