Samsung Galaxy A3 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

    Galaxy A3:
    OLED
    Redmi 8A Dual:
    LCD
  • Weight

    Galaxy A3: 77.7 g lighter

    Galaxy A3:
    110.3 g
    Redmi 8A Dual:
    188 g
  • Width

    Galaxy A3: 9.9 mm narrower

    Galaxy A3:
    65.5 mm
    Redmi 8A Dual:
    75.4 mm
  • Screen diagonal

    Galaxy A3: 1.72 in smaller diagonal

    Galaxy A3:
    4.5 in
    Redmi 8A Dual:
    6.22 in
  • Chipset

    Galaxy A3:
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
    Redmi 8A Dual:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Rear camera layout

    Galaxy A3:
    Single
    Redmi 8A Dual:
    Dual

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. Galaxy A3

    Height:
    130.1 mm
    Width:
    65.5 mm
    Depth:
    6.9 mm
  2. 2. Redmi 8A Dual

    Height:
    156.5 mm +26.4 mm versus Galaxy A3
    Width:
    75.4 mm +9.9 mm versus Galaxy A3
    Depth:
    9.4 mm +2.5 mm versus Galaxy A3

Weight

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

  1. 1. Galaxy A3

    110.3 g

  2. 2. Redmi 8A Dual

    188 g

    +77.7 g versus Galaxy A3

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. Galaxy A3

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 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 73% more rectangular screen area than Galaxy A3.

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 Galaxy A3, Redmi 8A Dual, compared at the same storage capacity.
StorageGalaxy A3Redmi 8A Dual
32 GB Unknown 2 / 3 GB RAM Alternative RAM configurations
Galaxy A3: Original memory entry

16 GB · 1/1.5 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. Galaxy A3

NFC:
See details Yes (LTE model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated 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. Galaxy A3

    1900 mAh

  2. 2. Redmi 8A Dual

    5000 mAh

    +3100 mAh versus Galaxy A3

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. Galaxy A32. Redmi 8A Dual

Everyday essentials
Everyday essentials — specifications for Galaxy A3, Redmi 8A Dual.
SpecificationGalaxy A3Redmi 8A Dual
Dimensions (HxWxD)
  • 130.1 Х 65.5 Х 6.9 mm
  • 156.5 Х 75.4 Х 9.4 mm
Weight
  • 110.3 g
  • 188 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.22" inch
Screen resolution
  • 540 x 960 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
  • 1/1.5 GB RAM
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1900 mAh
  • Non-removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.4 (KitKat)
  • upgradable to 6.0.1 (Marshmallow)
  • Android 9.0 (Pie); MIUI 11
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
NFC
  • Yes (LTE model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy A3, Redmi 8A Dual.
SpecificationGalaxy A3Redmi 8A Dual
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 96.6 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 65.5%
  • 81.8%
PPI /points per inch/
  • 245 PPI
  • 270 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Galaxy A3, Redmi 8A Dual.
SpecificationGalaxy A3Redmi 8A Dual
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 8 MP
  • f/2.4
  • 31mm (standard)
  • AF
  • 13 MP
  • f/2.2
  • (wide)
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • f/2.2
  • 23mm (wide)
  • 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 Galaxy A3, Redmi 8A Dual.
SpecificationGalaxy A3Redmi 8A Dual
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
Graphics processor GPU
  • Adreno 306
  • Adreno 505
Antutu 7 score *
  • 20398
Unknown
GeekBench 4 Single Core *
  • 490
  • 864
GeekBench 4 Multi-Core *
  • 1115
  • 3669
GeekBench 4 RenderScript *
  • 811
Unknown
Antutu 8 score * Unknown
  • 95326
General specs
General specs — specifications for Galaxy A3, Redmi 8A Dual.
SpecificationGalaxy A3Redmi 8A Dual
Release date
  • 2014
  • October
  • 2020
  • February 11
Colors
  • Pearl White
  • Midnight Black
  • Platinum Silver
  • Soft Pink
  • Light Blue
  • Champagne Gold
  • Sky White
  • Sea Blue
  • Midnight Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
  • 80 EUR
Battery life
  • Talking time- Up to 12 h (3G) Music play - Up to 60 h
Unknown
Body build
  • aluminum frame
  • plastic back
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy A3, Redmi 8A Dual.
SpecificationGalaxy A3Redmi 8A Dual
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions -3G - HSDPA 850 / 900 / 1900 / 2100 - A300F
  • A300FU
  • A300G
  • A300HQ
  • A300M
  • A300YZ -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800) - A300F
  • A300FU LTE band 1(2100)
  • 20(800)
  • 40(2300) - A300G LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 17(700) - A300M LTE band 3(1800)
  • 28(700) - A300YZ
  • 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
  • GLONASS
  • BDS
  • 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
  • EDR
  • LE
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.24 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy A3, Redmi 8A Dual.
SpecificationGalaxy A3Redmi 8A Dual
Radio
  • FM radio
  • recording
  • FM radio
  • built-in antenna
Others
  • Active noise cancellation with dedicated mic
  • 400 nits typ. brightness
Other features
Other features — specifications for Galaxy A3, Redmi 8A Dual.
SpecificationGalaxy A3Redmi 8A Dual
Dop
  • Sensors Accelerometer
  • proximity
  • compass - ANT+ - Versions: A300F with 1 GB RAM; A300FU with 1.5 GB RAM
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging 18W -Power bank/Reverse charging - Splash resistant