BLU Vivo One 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

    Vivo One: 28 g lighter

    Vivo One:
    160 g
    Redmi 8A Dual:
    188 g
  • Width

    Vivo One: 5.3 mm narrower

    Vivo One:
    70.1 mm
    Redmi 8A Dual:
    75.4 mm
  • Screen diagonal

    Vivo One: 0.72 in smaller diagonal

    Vivo One:
    5.5 in
    Redmi 8A Dual:
    6.22 in
  • Chipset

    Vivo One:
    Mediatek MT6739 (28 nm)
    Redmi 8A Dual:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Rear camera layout

    Vivo One:
    Single
    Redmi 8A Dual:
    Dual
  • Height

    Vivo One: 8.1 mm shorter

    Vivo One:
    148.4 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. Vivo One

    Height:
    148.4 mm
    Width:
    70.1 mm
    Depth:
    9.8 mm
  2. 2. Redmi 8A Dual

    Height:
    156.5 mm +8.1 mm versus Vivo One
    Width:
    75.4 mm +5.3 mm versus Vivo One
    Depth:
    9.4 mm

Weight

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

  1. 1. Vivo One

    160 g

  2. 2. Redmi 8A Dual

    188 g

    +28 g versus Vivo One

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. Vivo One

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 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 23.7% more rectangular screen area than Vivo One.

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 Vivo One, Redmi 8A Dual, compared at the same storage capacity.
StorageVivo OneRedmi 8A Dual
16 GB 2 GB RAM Not recorded
32 GB Not recorded 2 / 3 GB RAM Alternative RAM configurations

Practical features

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

1. Vivo One

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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. Vivo One

    3000 mAh

  2. 2. Redmi 8A Dual

    5000 mAh

    +2000 mAh versus Vivo One

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. Vivo One2. Redmi 8A Dual

Everyday essentials
Everyday essentials — specifications for Vivo One, Redmi 8A Dual.
SpecificationVivo OneRedmi 8A Dual
Dimensions (HxWxD)
  • 148.4 Х 70.1 Х 9.8 mm
  • 156.5 Х 75.4 Х 9.4 mm
Weight
  • 160 g
  • 188 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.22" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.1.1 (Nougat)
  • Android 9.0 (Pie); MIUI 11
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Vivo One, Redmi 8A Dual.
SpecificationVivo OneRedmi 8A Dual
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 96.6 cm2
Screen format
  • 18:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 75.0%
  • 81.8%
PPI /points per inch/
  • 293 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Vivo One, Redmi 8A Dual.
SpecificationVivo OneRedmi 8A Dual
Rear camera, main
  • 12 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 12 MP
  • 13 MP
  • f/2.2
  • (wide)
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • 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 Vivo One, Redmi 8A Dual.
SpecificationVivo OneRedmi 8A Dual
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 505
Antutu 7 score *
  • 35472
Unknown
GeekBench 4 Single Core * Unknown
  • 864
GeekBench 4 Multi-Core * Unknown
  • 3669
Antutu 8 score * Unknown
  • 95326
General specs
General specs — specifications for Vivo One, Redmi 8A Dual.
SpecificationVivo OneRedmi 8A Dual
Release date
  • 2018
  • February
  • 2020
  • February 11
Colors
  • Black
  • Gold
  • Silver
  • Sky White
  • Sea Blue
  • Midnight Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 USD
  • 80 EUR
Battery life
  • Stand by time- Up to 725 h (2G) / Up to 625 h (3G) Talking time- Up to 26 h (2G) / Up to 16 h (3G)
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Vivo One, Redmi 8A Dual.
SpecificationVivo OneRedmi 8A Dual
SIM card
  • Dual SIM (Micro-SIM/Nano-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 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 17(700)
  • 28(700)
  • 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 Cat4 150/50 Mbps
  • HSPA
  • LTE-A
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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Vivo One, Redmi 8A Dual.
SpecificationVivo OneRedmi 8A Dual
Radio
  • FM radio
  • FM radio
  • built-in antenna
Others Unknown
  • 400 nits typ. brightness
Other features
Other features — specifications for Vivo One, Redmi 8A Dual.
SpecificationVivo OneRedmi 8A Dual
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging 18W -Power bank/Reverse charging - Splash resistant