Sharp Z2 vs Xiaomi Redmi 8A Dual

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

    Z2: 28 g lighter

    Z2:
    160 g
    Redmi 8A Dual:
    188 g
  • Screen diagonal

    Z2: 0.72 in smaller diagonal

    Z2:
    5.5 in
    Redmi 8A Dual:
    6.22 in
  • Chipset

    Z2:
    Mediatek MT6797 Helio X20 (20 nm)
    Redmi 8A Dual:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Rear camera layout

    Z2:
    Single
    Redmi 8A Dual:
    Dual
  • Depth

    Z2: 1 mm thinner

    Z2:
    8.4 mm
    Redmi 8A Dual:
    9.4 mm
  • Height

    Z2: 3.5 mm shorter

    Z2:
    153 mm
    Redmi 8A Dual:
    156.5 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. Z2

    Height:
    153 mm
    Width:
    76 mm
    Depth:
    8.4 mm
  2. 2. Redmi 8A Dual

    Height:
    156.5 mm +3.5 mm versus Z2
    Width:
    75.4 mm
    Depth:
    9.4 mm +1 mm versus Z2

Weight

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

  1. 1. Z2

    160 g

  2. 2. Redmi 8A Dual

    188 g

    +28 g versus Z2

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. Z2

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Redmi 8A Dual

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

Redmi 8A Dual has approximately 15.8% more rectangular screen area than Z2.

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 Z2, Redmi 8A Dual, compared at the same storage capacity.
StorageZ2Redmi 8A Dual
32 GB Unknown 2 / 3 GB RAM Alternative RAM configurations
Z2: Original memory entry

32 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Z2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. Redmi 8A Dual

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. Z2

    3000 mAh

  2. 2. Redmi 8A Dual

    5000 mAh

    +2000 mAh versus Z2

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. Z22. Redmi 8A Dual

Everyday essentials
Everyday essentials — specifications for Z2, Redmi 8A Dual.
SpecificationZ2Redmi 8A Dual
Dimensions (HxWxD)
  • 153 Х 76 Х 8.4 mm
  • 156.5 Х 75.4 Х 9.4 mm
Weight
  • 160 g
  • 188 g
Technology
  • LTPS IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.22" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 512GB 4GB
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 9.0 (Pie); MIUI 11
Chipset
  • Mediatek MT6797 Helio X20 (20 nm)
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z2, Redmi 8A Dual.
SpecificationZ2Redmi 8A Dual
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 96.6 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 71.7%
  • 81.8%
PPI /points per inch/
  • 401 PPI
  • 270 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Z2, Redmi 8A Dual.
SpecificationZ2Redmi 8A Dual
Rear camera, main
  • 16 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 16 MP
  • PDAF
  • 13 MP
  • f/2.2
  • (wide)
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Performance

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

Performance — specifications for Z2, Redmi 8A Dual.
SpecificationZ2Redmi 8A Dual
Processor CPU
  • Deca-core (2x2.3GHz Cortex-A72
  • 4x2.0GHz Cortex-A53
  • 4x1.4GHz Cortex-A53)
  • Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
Graphics processor GPU
  • Mali-T880 MP4
  • Adreno 505
Antutu 7 score *
  • 85326
Unknown
GeekBench 4 Single Core * Unknown
  • 864
GeekBench 4 Multi-Core * Unknown
  • 3669
Antutu 8 score * Unknown
  • 95326
General specs
General specs — specifications for Z2, Redmi 8A Dual.
SpecificationZ2Redmi 8A Dual
Release date
  • 2016
  • October
  • 2020
  • February 11
Colors
  • Silver
  • Gold
  • Sky White
  • Sea Blue
  • Midnight Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 330 EUR
  • 80 EUR
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Z2, Redmi 8A Dual.
SpecificationZ2Redmi 8A Dual
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Z2, Redmi 8A Dual.
SpecificationZ2Redmi 8A Dual
Radio
  • FM radio
  • FM radio
  • built-in antenna
Others
  • Active noise cancellation with dedicated mic
  • 400 nits typ. brightness
Other features
Other features — specifications for Z2, Redmi 8A Dual.
SpecificationZ2Redmi 8A Dual
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging 18W -Power bank/Reverse charging - Splash resistant