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Oppo A31 vs Plum Axe 4

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Axe 4: 73 g lighter

    A31:
    180 g
    Axe 4:
    107 g
  • Width

    Axe 4: 11.5 mm narrower

    A31:
    75.5 mm
    Axe 4:
    64 mm
  • Screen diagonal

    Axe 4: 2.5 in smaller diagonal

    A31:
    6.5 in
    Axe 4:
    4 in
  • Rear camera layout

    A31:
    Triple
    Axe 4:
    Single
  • Depth

    A31: 1.6 mm thinner

    A31:
    8.3 mm
    Axe 4:
    9.9 mm
  • Height

    Axe 4: 39.9 mm shorter

    A31:
    163.9 mm
    Axe 4:
    124 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. A31

    Height:
    163.9 mm +39.9 mm versus Axe 4
    Width:
    75.5 mm +11.5 mm versus Axe 4
    Depth:
    8.3 mm
  2. 2. Axe 4

    Height:
    124 mm
    Width:
    64 mm
    Depth:
    9.9 mm +1.6 mm versus A31

Weight

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

  1. 1. A31

    180 g

    +73 g versus Axe 4

  2. 2. Axe 4

    107 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. A31

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²
  2. 2. Axe 4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

A31 has approximately 124% more rectangular screen area than Axe 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.

Recorded RAM for A31, Axe 4, compared at the same storage capacity.
StorageA31Axe 4
128 GB 4 GB RAM Unknown
Axe 4: Original memory entry

8 GB · 512 MB 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. A31

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. Axe 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. A31

    4230 mAh

    +2830 mAh versus Axe 4

  2. 2. Axe 4

    1400 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. A312. Axe 4

Everyday essentials
Everyday essentials — specifications for A31, Axe 4.
SpecificationA31Axe 4
Dimensions (HxWxD)
  • 163.9 Х 75.5 Х 8.3 mm
  • 124 Х 64 Х 9.9 mm
Weight
  • 180 g
  • 107 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.5" inch
  • 4" inch
Screen resolution
  • 720 x 1600 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 4GB RAM
  • 8 GB
  • 512 MB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6765V/CB Helio P35 (12nm)
  • Spreadtrum SC7731C
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A31, Axe 4.
SpecificationA31Axe 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 45.5 cm2
Screen format
  • 20:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 82.4%
  • 57.4%
PPI /points per inch/
  • 270 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for A31, Axe 4.
SpecificationA31Axe 4
Rear camera, main
  • 12 MP
  • Triple
  • 5 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
  • 5 MP
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 2 MP
Performance

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

Performance — specifications for A31, Axe 4.
SpecificationA31Axe 4
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR GE8320
  • Mali-400
Antutu 7 score * Unknown
  • 5577
Antutu 8 score *
  • 105221
Unknown
General specs
General specs — specifications for A31, Axe 4.
SpecificationA31Axe 4
Release date
  • 2020
  • February 13
  • 2017
  • December
Colors
  • Fantasy White
  • Mystery Black
  • Black
  • Blue
  • Red
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 170 h (3G) Talking time- Up to 8 h (3G)
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A31, Axe 4.
SpecificationA31Axe 4
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual 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 (unspecified)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA 21.1/5.76 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
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for A31, Axe 4.
SpecificationA31Axe 4
Radio
  • FM radio
  • FM radio
Others
  • 480 nits typ. brightness
Unknown
Other features
Other features — specifications for A31, Axe 4.
SpecificationA31Axe 4
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer Also known as Plum Z407