Xiaomi Mi A3 vs Xiaomi Redmi 4

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 4:
    LCD
  • Weight

    Redmi 4: 23.8 g lighter

    Mi A3:
    173.8 g
    Redmi 4:
    150 g
  • Width

    Redmi 4: 1.9 mm narrower

    Mi A3:
    71.9 mm
    Redmi 4:
    70 mm
  • Screen diagonal

    Redmi 4: 1.01 in smaller diagonal

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

    Mi A3:
    Qualcomm SDM665 Snapdragon 665 (11 nm)
    Redmi 4:
    Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • Rear camera layout

    Mi A3:
    Triple
    Redmi 4:
    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 +14.3 mm versus Redmi 4
    Width:
    71.9 mm +1.9 mm versus Redmi 4
    Depth:
    8.5 mm
  2. 2. Redmi 4

    Height:
    139.2 mm
    Width:
    70 mm
    Depth:
    8.7 mm

Weight

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

  1. 1. Mi A3

    173.8 g

    +23.8 g versus Redmi 4

  2. 2. Redmi 4

    150 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 4

    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 4.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Mi A3: Original memory entry

64/128 GB · 512GB 4GB

Redmi 4: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM 16 GB · 2 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. Mi A3

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

2. Redmi 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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

  2. 2. Redmi 4

    4100 mAh

    +70 mAh versus Mi 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. Mi A32. Redmi 4

Everyday essentials
Everyday essentials — specifications for Mi A3, Redmi 4.
SpecificationMi A3Redmi 4
Dimensions (HxWxD)
  • 153.5 Х 71.9 Х 8.5 mm
  • 139.2 Х 70 Х 8.7 mm
Weight
  • 173.8 g
  • 150 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
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4030 mAh
  • Non-removable Li-Po
  • 4100 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); Android One
  • Android 6.0.1 (Marshmallow)
  • upgradable to 7.1.2 (Nougat); MIUI 10
Chipset
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Mi A3, Redmi 4.
SpecificationMi A3Redmi 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 88.7 cm2
  • 68.9 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 80.3%
  • 70.7%
PPI /points per inch/
  • 286 PPI
  • 294 PPI
Screen protection
  • Corning Gorilla Glass 5
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for Mi A3, Redmi 4.
SpecificationMi A3Redmi 4
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
  • PDAF
  • f/2.0
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 4.
SpecificationMi A3Redmi 4
Processor CPU
  • Octa-core (2x2.0 GHz Kryo 260 Gold & 6x1.8 GHz Kryo 260 Silver)
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Adreno 610
  • Adreno 505
Antutu 7 score *
  • 142658
  • 42175
GeekBench 4 Single Core *
  • 1501
  • 837
GeekBench 4 Multi-Core *
  • 5662
  • 2810
GeekBench 4 RenderScript * Unknown
  • 2630
Antutu 8 score *
  • 177109
Unknown
GeekBench 5 Single Core *
  • 312
  • 175
GeekBench 5 Multi-Core *
  • 1357
  • 995
General specs
General specs — specifications for Mi A3, Redmi 4.
SpecificationMi A3Redmi 4
Release date
  • 2019
  • July
  • 2017
  • May
Colors
  • Kind of Gray
  • Not just Blue
  • More than White
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 110 EUR
Battery life Unknown
  • Stand by time- Up to 432 h (3G) Talking time- Up to 36 h (3G) Music play - Up to 87 h
Body build
  • Back glass (Gorilla Glass 5)
  • aluminum frame
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Mi A3, Redmi 4.
SpecificationMi A3Redmi 4
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)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) 450/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/100 Mbps
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
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Mi A3, Redmi 4.
SpecificationMi A3Redmi 4
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 4.
SpecificationMi A3Redmi 4
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W (Quick Charge 3)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Also known as Xiaomi Redmi 4X for China
  • Malaysia
  • Pakistan
  • Indonesia