Oppo A31 vs Spice Mi-450 Smartflo Ivory

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

    Mi-450 Smartflo Ivory: 50 g lighter

    A31:
    180 g
    Mi-450 Smartflo Ivory:
    130 g
  • Width

    Mi-450 Smartflo Ivory: 7 mm narrower

    A31:
    75.5 mm
    Mi-450 Smartflo Ivory:
    68.5 mm
  • Screen diagonal

    Mi-450 Smartflo Ivory: 2 in smaller diagonal

    A31:
    6.5 in
    Mi-450 Smartflo Ivory:
    4.5 in
  • Rear camera layout

    A31:
    Triple
    Mi-450 Smartflo Ivory:
    Single
  • Depth

    A31: 2.8 mm thinner

    A31:
    8.3 mm
    Mi-450 Smartflo Ivory:
    11.1 mm
  • Height

    Mi-450 Smartflo Ivory: 32.2 mm shorter

    A31:
    163.9 mm
    Mi-450 Smartflo Ivory:
    131.7 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 +32.2 mm versus Mi-450 Smartflo Ivory
    Width:
    75.5 mm +7 mm versus Mi-450 Smartflo Ivory
    Depth:
    8.3 mm
  2. 2. Mi-450 Smartflo Ivory

    Height:
    131.7 mm
    Width:
    68.5 mm
    Depth:
    11.1 mm +2.8 mm versus A31

Weight

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

  1. 1. A31

    180 g

    +50 g versus Mi-450 Smartflo Ivory

  2. 2. Mi-450 Smartflo Ivory

    130 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. Mi-450 Smartflo Ivory

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

A31 has approximately 77% more rectangular screen area than Mi-450 Smartflo Ivory.

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, Mi-450 Smartflo Ivory, compared at the same storage capacity.
StorageA31Mi-450 Smartflo Ivory
128 GB 4 GB RAM Unknown

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. Mi-450 Smartflo Ivory

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. A31

    4230 mAh

    +2730 mAh versus Mi-450 Smartflo Ivory

  2. 2. Mi-450 Smartflo Ivory

    1500 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. Mi-450 Smartflo Ivory

Everyday essentials
Everyday essentials — specifications for A31, Mi-450 Smartflo Ivory.
SpecificationA31Mi-450 Smartflo Ivory
Dimensions (HxWxD)
  • 163.9 Х 75.5 Х 8.3 mm
  • 131.7 Х 68.5 Х 11.1 mm
Weight
  • 180 g
  • 130 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.5" inch
  • 4.5" 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
Unknown
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 4.0 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6765V/CB Helio P35 (12nm)
  • Mediatek MT6517
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A31, Mi-450 Smartflo Ivory.
SpecificationA31Mi-450 Smartflo Ivory
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 102.0 cm2
  • 57.6 cm2
Screen format
  • 20:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 82.4%
  • 63.9%
PPI /points per inch/
  • 270 PPI
  • 207 PPI
Camera and Video
Camera and Video — specifications for A31, Mi-450 Smartflo Ivory.
SpecificationA31Mi-450 Smartflo Ivory
Rear camera, main
  • 12 MP
  • Triple
  • 3.15 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)
  • 3.15 MP
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1.3 MP
Performance

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

Performance — specifications for A31, Mi-450 Smartflo Ivory.
SpecificationA31Mi-450 Smartflo Ivory
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • PowerVR GE8320
  • PowerVR SGX531u
Antutu 8 score *
  • 105221
Unknown
General specs
General specs — specifications for A31, Mi-450 Smartflo Ivory.
SpecificationA31Mi-450 Smartflo Ivory
Release date
  • 2020
  • February 13
  • 2013
  • May
Colors
  • Fantasy White
  • Mystery Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A31, Mi-450 Smartflo Ivory.
SpecificationA31Mi-450 Smartflo Ivory
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • BDS
  • A-GPS only
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • Yes
Music and Audio
Music and Audio — specifications for A31, Mi-450 Smartflo Ivory.
SpecificationA31Mi-450 Smartflo Ivory
Radio
  • FM radio
  • FM radio
Others
  • 480 nits typ. brightness
Unknown
Other features
Other features — specifications for A31, Mi-450 Smartflo Ivory.
SpecificationA31Mi-450 Smartflo Ivory
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer