Oppo A39 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.

  • Weight

    Redmi 4a: 15.5 g lighter

    A39:
    147 g
    Redmi 4a:
    131.5 g
  • Width

    Redmi 4a: 2.5 mm narrower

    A39:
    72.9 mm
    Redmi 4a:
    70.4 mm
  • Screen diagonal

    Redmi 4a: 0.2 in smaller diagonal

    A39:
    5.2 in
    Redmi 4a:
    5 in
  • Memory variants

    At 32 GB storage

    A39:
    3 GB RAM
    Redmi 4a:
    2 GB RAM
  • Chipset

    A39:
    Mediatek MT6750 (28 nm)
    Redmi 4a:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Depth

    A39: 0.8 mm thinner

    A39:
    7.7 mm
    Redmi 4a:
    8.5 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. A39

    Height:
    149.1 mm +9.2 mm versus Redmi 4a
    Width:
    72.9 mm +2.5 mm versus Redmi 4a
    Depth:
    7.7 mm
  2. 2. Redmi 4a

    Height:
    139.9 mm
    Width:
    70.4 mm
    Depth:
    8.5 mm +0.8 mm versus A39

Weight

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

  1. 1. A39

    147 g

    +15.5 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. A39

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²
  2. 2. Redmi 4a

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

A39 has approximately 8.2% 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 A39, Redmi 4a, compared at the same storage capacity.
StorageA39Redmi 4a
16 GB Not recorded 2 GB RAM
32 GB Recorded for all phones 3 GB RAM 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. A39

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated 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. A39

    2900 mAh

  2. 2. Redmi 4a

    3120 mAh

    +220 mAh versus A39

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. A392. Redmi 4a

Everyday essentials
Everyday essentials — specifications for A39, Redmi 4a.
SpecificationA39Redmi 4a
Dimensions (HxWxD)
  • 149.1 Х 72.9 Х 7.7 mm
  • 139.9 Х 70.4 Х 8.5 mm
Weight
  • 147 g
  • 131.5 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.2" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2900 mAh
  • Non-removable Li-Ion
  • 3120 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop); ColorOS 3
  • Android 6.0.1 (Marshmallow); MIUI 10
Chipset
  • Mediatek MT6750 (28 nm)
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A39, Redmi 4a.
SpecificationA39Redmi 4a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 68.0 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 68.6%
  • 69.0%
PPI /points per inch/
  • 282 PPI
  • 296 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video — specifications for A39, Redmi 4a.
SpecificationA39Redmi 4a
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 1/3''
  • AF
  • 13 MP
  • AF
  • f/2.2
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 5 MP
  • f/2.4
  • 1/4''
  • 1.4µm
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for A39, Redmi 4a.
SpecificationA39Redmi 4a
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-T860MP2
  • Adreno 308
Antutu 7 score * Unknown
  • 43152
GeekBench 4 Single Core *
  • 639
  • 664
GeekBench 4 Multi-Core *
  • 2481
  • 1740
GeekBench 4 RenderScript *
  • 1870
  • 1350
GeekBench 5 Single Core * Unknown
  • 123
GeekBench 5 Multi-Core * Unknown
  • 396
General specs
General specs — specifications for A39, Redmi 4a.
SpecificationA39Redmi 4a
Release date
  • 2017
  • March
  • 2016
  • November
Colors
  • Gold
  • Rose Gold
  • Gold
  • Rose Gold
  • Dark Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 110 EUR
Body build
  • aluminum body
  • plastic ends
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for A39, Redmi 4a.
SpecificationA39Redmi 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 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 20(800)
  • 28(700)
  • 39(1900)
  • 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)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 20(800)
  • 38(2600)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • 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 On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A39, Redmi 4a.
SpecificationA39Redmi 4a
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A39, Redmi 4a.
SpecificationA39Redmi 4a
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • Infrared port