vivo X9s Plus 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.

  • Display technology

    OLED versus LCD

    X9s Plus:
    OLED
    Redmi 8A Dual:
    LCD
  • Width

    Redmi 8A Dual: 3.5 mm narrower

    X9s Plus:
    78.9 mm
    Redmi 8A Dual:
    75.4 mm
  • Screen diagonal

    X9s Plus: 0.37 in smaller diagonal

    X9s Plus:
    5.85 in
    Redmi 8A Dual:
    6.22 in
  • Chipset

    X9s Plus:
    Qualcomm MSM8976 Pro Snapdragon 653 (28 nm)
    Redmi 8A Dual:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Rear camera layout

    X9s Plus:
    Single
    Redmi 8A Dual:
    Dual
  • Depth

    X9s Plus: 2.1 mm thinner

    X9s Plus:
    7.3 mm
    Redmi 8A Dual:
    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. X9s Plus

    Height:
    162.6 mm +6.1 mm versus Redmi 8A Dual
    Width:
    78.9 mm +3.5 mm versus Redmi 8A Dual
    Depth:
    7.3 mm
  2. 2. Redmi 8A Dual

    Height:
    156.5 mm
    Width:
    75.4 mm
    Depth:
    9.4 mm +2.1 mm versus X9s Plus

Weight

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

  1. 1. X9s Plus

    183.2 g

  2. 2. Redmi 8A Dual

    188 g

    +4.8 g versus X9s 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. X9s Plus

    Screen diagonal:
    5.85 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    94.3 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 2.4% more rectangular screen area than X9s 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 X9s Plus, Redmi 8A Dual, compared at the same storage capacity.
StorageX9s PlusRedmi 8A Dual
32 GB Unknown 2 / 3 GB RAM Alternative RAM configurations
X9s Plus: Original memory entry

64 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. X9s Plus

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

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. X9s Plus

    4015 mAh

  2. 2. Redmi 8A Dual

    5000 mAh

    +985 mAh versus X9s 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. X9s Plus2. Redmi 8A Dual

Everyday essentials
Everyday essentials — specifications for X9s Plus, Redmi 8A Dual.
SpecificationX9s PlusRedmi 8A Dual
Dimensions (HxWxD)
  • 162.6 Х 78.9 Х 7.3 mm
  • 156.5 Х 75.4 Х 9.4 mm
Weight
  • 183.2 g
  • 188 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 5.85" 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.
  • 64 GB
  • 512GB 4GB
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Memory card support
  • No
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4015 mAh
  • Non-removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.1 (Nougat)
  • upgradable to Android 8.0 (Oreo); Funtouch 3.1
  • Android 9.0 (Pie); MIUI 11
Chipset
  • Qualcomm MSM8976 Pro Snapdragon 653 (28 nm)
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X9s Plus, Redmi 8A Dual.
SpecificationX9s PlusRedmi 8A Dual
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 94.3 cm2
  • 96.6 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 73.5%
  • 81.8%
PPI /points per inch/
  • 377 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for X9s Plus, Redmi 8A Dual.
SpecificationX9s PlusRedmi 8A Dual
Rear camera, main
  • 16 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 16 MP
  • 1/2.8''
  • PDAF
  • 13 MP
  • f/2.2
  • (wide)
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • HDR
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Dual
  • 8 MP
  • Single
Specifications
  • 20 MP 5 MP
  • depth sensor
  • 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 X9s Plus, Redmi 8A Dual.
SpecificationX9s PlusRedmi 8A Dual
Processor CPU
  • Octa-core (4x1.95 GHz Cortex-A72 & 4x1.44 GHz Cortex-A53)
  • Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
Graphics processor GPU
  • Adreno 510
  • Adreno 505
Antutu 7 score *
  • 82356
Unknown
GeekBench 4 Single Core *
  • 1351
  • 864
GeekBench 4 Multi-Core *
  • 4954
  • 3669
Antutu 8 score * Unknown
  • 95326
General specs
General specs — specifications for X9s Plus, Redmi 8A Dual.
SpecificationX9s PlusRedmi 8A Dual
Release date
  • 2017
  • July
  • 2020
  • February 11
Colors
  • Gold
  • Rose Gold
  • Black
  • Sky White
  • Sea Blue
  • Midnight Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 390 EUR
  • 80 EUR
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for X9s Plus, Redmi 8A Dual.
SpecificationX9s PlusRedmi 8A Dual
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO & TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 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 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA
  • LTE-A
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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for X9s Plus, Redmi 8A Dual.
SpecificationX9s PlusRedmi 8A Dual
Radio
  • No
  • FM radio
  • built-in antenna
Others
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
  • 400 nits typ. brightness
Other features
Other features — specifications for X9s Plus, Redmi 8A Dual.
SpecificationX9s PlusRedmi 8A Dual
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging 18W -Power bank/Reverse charging - Splash resistant