Xiaomi Redmi 8A Dual vs ZTE Open

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.

  • Width

    Open: 13.4 mm narrower

    Redmi 8A Dual:
    75.4 mm
    Open:
    62 mm
  • Screen diagonal

    Open: 2.72 in smaller diagonal

    Redmi 8A Dual:
    6.22 in
    Open:
    3.5 in
  • Chipset

    Redmi 8A Dual:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
    Open:
    Qualcomm MSM7225A Snapdragon S1
  • Rear camera layout

    Redmi 8A Dual:
    Dual
    Open:
    Single
  • Depth

    Redmi 8A Dual: 3.1 mm thinner

    Redmi 8A Dual:
    9.4 mm
    Open:
    12.5 mm
  • Height

    Open: 42.5 mm shorter

    Redmi 8A Dual:
    156.5 mm
    Open:
    114 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. Redmi 8A Dual

    Height:
    156.5 mm +42.5 mm versus Open
    Width:
    75.4 mm +13.4 mm versus Open
    Depth:
    9.4 mm
    Weight:
    188 g
  2. 2. Open

    Height:
    114 mm
    Width:
    62 mm
    Depth:
    12.5 mm +3.1 mm versus Redmi 8A Dual
    Weight:
    Unknown

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. Redmi 8A Dual

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

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Redmi 8A Dual has approximately 164.7% more rectangular screen area than Open.

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

512 MB ROM · 256 MB 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. Redmi 8A Dual

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. Open

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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. Redmi 8A Dual

    5000 mAh

    +3800 mAh versus Open

  2. 2. Open

    1200 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. Redmi 8A Dual2. Open

Everyday essentials
Everyday essentials — specifications for Redmi 8A Dual, Open.
SpecificationRedmi 8A DualOpen
Dimensions (HxWxD)
  • 156.5 Х 75.4 Х 9.4 mm
  • 114 Х 62 Х 12.5 mm
Weight
  • 188 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.22" inch
  • 3.5" inch
Screen resolution
  • 720 x 1520 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 32GB 3GB RAM
  • 512 MB ROM
  • 256 MB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); MIUI 11
  • Firefox OS 1.0
Chipset
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Qualcomm MSM7225A Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Redmi 8A Dual, Open.
SpecificationRedmi 8A DualOpen
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 96.6 cm2
  • 36.5 cm2
Screen format
  • 19:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 81.8%
  • 51.6%
PPI /points per inch/
  • 270 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Redmi 8A Dual, Open.
SpecificationRedmi 8A DualOpen
Rear camera, main
  • 13 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • (wide)
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
  • 3.15 MP
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Unknown
Performance

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

Performance — specifications for Redmi 8A Dual, Open.
SpecificationRedmi 8A DualOpen
Processor CPU
  • Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
  • 1.0 GHz Cortex-A5
Graphics processor GPU
  • Adreno 505
  • Adreno 200
Antutu 7 score * Unknown
  • 1456
GeekBench 4 Single Core *
  • 864
Unknown
GeekBench 4 Multi-Core *
  • 3669
Unknown
Antutu 8 score *
  • 95326
Unknown
General specs
General specs — specifications for Redmi 8A Dual, Open.
SpecificationRedmi 8A DualOpen
Release date
  • 2020
  • February 11
  • 2013
  • February
Colors
  • Sky White
  • Sea Blue
  • Midnight Grey
  • Blue
  • Orange
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
Body build
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Redmi 8A Dual, Open.
SpecificationRedmi 8A DualOpen
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • 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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE-A
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for Redmi 8A Dual, Open.
SpecificationRedmi 8A DualOpen
Radio
  • FM radio
  • built-in antenna
  • Stereo FM radio
Others
  • 400 nits typ. brightness
Unknown
Other features
Other features — specifications for Redmi 8A Dual, Open.
SpecificationRedmi 8A DualOpen
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging 18W -Power bank/Reverse charging - Splash resistant
  • Sensors Accelerometer
  • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input