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Dell Mini 3iX vs Oppo A31

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

    Mini 3iX: 72 g lighter

    Mini 3iX:
    108 g
    A31:
    180 g
  • Width

    Mini 3iX: 15.6 mm narrower

    Mini 3iX:
    59.9 mm
    A31:
    75.5 mm
  • Screen diagonal

    Mini 3iX: 3 in smaller diagonal

    Mini 3iX:
    3.5 in
    A31:
    6.5 in
  • Rear camera layout

    Mini 3iX:
    Single
    A31:
    Triple
  • Depth

    A31: 3.4 mm thinner

    Mini 3iX:
    11.7 mm
    A31:
    8.3 mm
  • Height

    Mini 3iX: 43.9 mm shorter

    Mini 3iX:
    120 mm
    A31:
    163.9 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. Mini 3iX

    Height:
    120 mm
    Width:
    59.9 mm
    Depth:
    11.7 mm +3.4 mm versus A31
  2. 2. A31

    Height:
    163.9 mm +43.9 mm versus Mini 3iX
    Width:
    75.5 mm +15.6 mm versus Mini 3iX
    Depth:
    8.3 mm

Weight

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

  1. 1. Mini 3iX

    108 g

  2. 2. A31

    180 g

    +72 g versus Mini 3iX

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. Mini 3iX

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    33.8 cm²
  2. 2. A31

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

A31 has approximately 202.1% more rectangular screen area than Mini 3iX.

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 Mini 3iX, A31, compared at the same storage capacity.
StorageMini 3iXA31
128 GB Unknown 4 GB RAM
Mini 3iX: Original memory entry

256 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Mini 3iX

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

2. A31

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. Mini 3iX

    1000 mAh

  2. 2. A31

    4230 mAh

    +3230 mAh versus Mini 3iX

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. Mini 3iX2. A31

Everyday essentials
Everyday essentials — specifications for Mini 3iX, A31.
SpecificationMini 3iXA31
Dimensions (HxWxD)
  • 120 Х 59.9 Х 11.7 mm
  • 163.9 Х 75.5 Х 8.3 mm
Weight
  • 108 g
  • 180 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.5" inch
Screen resolution
  • 360 x 640 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB
  • 128GB 4GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1000 mAh
  • Removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 1.5 (Cupcake)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6765V/CB Helio P35 (12nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Mini 3iX, A31.
SpecificationMini 3iXA31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 33.8 cm2
  • 102.0 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 47.0%
  • 82.4%
PPI /points per inch/
  • 210 PPI
  • 270 PPI
Camera and Video
Camera and Video — specifications for Mini 3iX, A31.
SpecificationMini 3iXA31
Rear camera, main
  • 3.15 MP
  • Single
  • 12 MP
  • Triple
Camera specs
  • 3.15 MP
  • AF
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for Mini 3iX, A31.
SpecificationMini 3iXA31
Processor CPU Unknown
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU Unknown
  • PowerVR GE8320
Antutu 8 score * Unknown
  • 105221
General specs
General specs — specifications for Mini 3iX, A31.
SpecificationMini 3iXA31
Release date
  • 2009
  • November
  • 2020
  • February 13
Colors
  • Oiled Bronze and Ocean Blue
  • Fantasy White
  • Mystery Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
  • 180 EUR
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 5 h
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Mini 3iX, A31.
SpecificationMini 3iXA31
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • BDS
USB
  • miniUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.1
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Mini 3iX, A31.
SpecificationMini 3iXA31
Radio
  • No
  • FM radio
Others Unknown
  • 480 nits typ. brightness
Other features
Other features — specifications for Mini 3iX, A31.
SpecificationMini 3iXA31
Dop
  • Sensors Accelerometer
  • proximity - MP4/H.264/WMV player -MP3/e-AAC+/WMA player -Voice memo -Predictive text input
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass