Xiaomi Mi A3 vs Xiaomi Redmi 4a

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

    Mi A3:
    OLED
    Redmi 4a:
    LCD
  • Weight

    Redmi 4a: 42.3 g lighter

    Mi A3:
    173.8 g
    Redmi 4a:
    131.5 g
  • Width

    Redmi 4a: 1.5 mm narrower

    Mi A3:
    71.9 mm
    Redmi 4a:
    70.4 mm
  • Screen diagonal

    Redmi 4a: 1.01 in smaller diagonal

    Mi A3:
    6.01 in
    Redmi 4a:
    5 in
  • Chipset

    Mi A3:
    Qualcomm SDM665 Snapdragon 665 (11 nm)
    Redmi 4a:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Rear camera layout

    Mi A3:
    Triple
    Redmi 4a:
    Single

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. Mi A3

    Height:
    153.5 mm +13.6 mm versus Redmi 4a
    Width:
    71.9 mm +1.5 mm versus Redmi 4a
    Depth:
    8.5 mm
  2. 2. Redmi 4a

    Height:
    139.9 mm
    Width:
    70.4 mm
    Depth:
    8.5 mm

Weight

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

  1. 1. Mi A3

    173.8 g

    +42.3 g versus Redmi 4a

  2. 2. Redmi 4a

    131.5 g

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. Mi A3

    Screen diagonal:
    6.01 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    88.7 cm²
  2. 2. Redmi 4a

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

Mi A3 has approximately 28.7% more rectangular screen area than Redmi 4a.

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 Mi A3, Redmi 4a, compared at the same storage capacity.
StorageMi A3Redmi 4a
16 GB Unknown 2 GB RAM
32 GB Unknown 2 GB RAM
Mi A3: Original memory entry

64/128 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. Mi A3

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

2. Redmi 4a

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. Mi A3

    4030 mAh

    +910 mAh versus Redmi 4a

  2. 2. Redmi 4a

    3120 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. Mi A32. Redmi 4a

Everyday essentials
Everyday essentials — specifications for Mi A3, Redmi 4a.
SpecificationMi A3Redmi 4a
Dimensions (HxWxD)
  • 153.5 Х 71.9 Х 8.5 mm
  • 139.9 Х 70.4 Х 8.5 mm
Weight
  • 173.8 g
  • 131.5 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.01" inch
  • 5" inch
Screen resolution
  • 720 x 1560 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 512GB 4GB
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4030 mAh
  • Non-removable Li-Po
  • 3120 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); Android One
  • Android 6.0.1 (Marshmallow); MIUI 10
Chipset
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Mi A3, Redmi 4a.
SpecificationMi A3Redmi 4a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 88.7 cm2
  • 68.0 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 80.3%
  • 69.0%
PPI /points per inch/
  • 286 PPI
  • 296 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Mi A3, Redmi 4a.
SpecificationMi A3Redmi 4a
Rear camera, main
  • 48 MP
  • Triple
  • 13 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • (ultrawide)
  • f/2.2
  • 1.12µm -2 MP
  • f/2.4
  • depth sensor
  • 13 MP
  • AF
  • f/2.2
Functions
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 32 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 32 MP
  • f/2.0
  • 0.8µm
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for Mi A3, Redmi 4a.
SpecificationMi A3Redmi 4a
Processor CPU
  • Octa-core (2x2.0 GHz Kryo 260 Gold & 6x1.8 GHz Kryo 260 Silver)
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Adreno 610
  • Adreno 308
Antutu 7 score *
  • 142658
  • 43152
GeekBench 4 Single Core *
  • 1501
  • 664
GeekBench 4 Multi-Core *
  • 5662
  • 1740
GeekBench 4 RenderScript * Unknown
  • 1350
Antutu 8 score *
  • 177109
Unknown
GeekBench 5 Single Core *
  • 312
  • 123
GeekBench 5 Multi-Core *
  • 1357
  • 396
General specs
General specs — specifications for Mi A3, Redmi 4a.
SpecificationMi A3Redmi 4a
Release date
  • 2019
  • July
  • 2016
  • November
Colors
  • Kind of Gray
  • Not just Blue
  • More than White
  • Gold
  • Rose Gold
  • Dark Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 110 EUR
Body build
  • Back glass (Gorilla Glass 5)
  • aluminum frame
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Mi A3, Redmi 4a.
SpecificationMi A3Redmi 4a
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300) - SIM 1 & SIM 2
  • 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)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 20(800)
  • 38(2600)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) 450/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • 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
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Mi A3, Redmi 4a.
SpecificationMi A3Redmi 4a
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Mi A3, Redmi 4a.
SpecificationMi A3Redmi 4a
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W (Quick Charge 3)
  • Sensors Accelerometer
  • gyro
  • proximity
  • Infrared port