Archos Diamond Plus vs Oppo A31

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

    Diamond Plus: 20 g lighter

    Diamond Plus:
    160 g
    A31:
    180 g
  • Screen diagonal

    Diamond Plus: 1 in smaller diagonal

    Diamond Plus:
    5.5 in
    A31:
    6.5 in
  • Rear camera layout

    Diamond Plus:
    Single
    A31:
    Triple
  • Height

    Diamond Plus: 11.3 mm shorter

    Diamond Plus:
    152.6 mm
    A31:
    163.9 mm
  • Release year

    Diamond Plus:
    2015
    A31:
    2020

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. Diamond Plus

    Height:
    152.6 mm
    Width:
    76.4 mm
    Depth:
    8.4 mm
  2. 2. A31

    Height:
    163.9 mm +11.3 mm versus Diamond Plus
    Width:
    75.5 mm
    Depth:
    8.3 mm

Weight

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

  1. 1. Diamond Plus

    160 g

  2. 2. A31

    180 g

    +20 g versus Diamond Plus

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. Diamond Plus

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

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

A31 has approximately 22.3% more rectangular screen area than Diamond Plus.

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 Diamond Plus, A31, compared at the same storage capacity.
StorageDiamond PlusA31
16 GB 2 GB RAM Not recorded
128 GB Not recorded 4 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. Diamond Plus

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

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. Diamond Plus

    2850 mAh

  2. 2. A31

    4230 mAh

    +1380 mAh versus Diamond Plus

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. Diamond Plus2. A31

Everyday essentials
Everyday essentials — specifications for Diamond Plus, A31.
SpecificationDiamond PlusA31
Dimensions (HxWxD)
  • 152.6 Х 76.4 Х 8.4 mm
  • 163.9 Х 75.5 Х 8.3 mm
Weight
  • 160 g
  • 180 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.5" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 128GB 4GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2850 mAh
  • Non-removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1.1 (Lollipop)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Mediatek MT6753 (28 nm)
  • Mediatek MT6765V/CB Helio P35 (12nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Diamond Plus, A31.
SpecificationDiamond PlusA31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 102.0 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 71.5%
  • 82.4%
PPI /points per inch/
  • 401 PPI
  • 270 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for Diamond Plus, A31.
SpecificationDiamond PlusA31
Rear camera, main
  • 16 MP
  • Single
  • 12 MP
  • Triple
Camera specs
  • 16 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
  • Dual-LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for Diamond Plus, A31.
SpecificationDiamond PlusA31
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Mali-T720MP3
  • PowerVR GE8320
Antutu 7 score *
  • 37396
Unknown
Antutu 8 score * Unknown
  • 105221
General specs
General specs — specifications for Diamond Plus, A31.
SpecificationDiamond PlusA31
Release date
  • 2015
  • September
  • 2020
  • February 13
Colors
  • Sandy Silver
  • Fantasy White
  • Mystery Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 180 EUR
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Diamond Plus, A31.
SpecificationDiamond PlusA31
SIM card
  • Single SIM (Micro-SIM)Hybrid Dual SIM (Micro-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 850 / 900 / 1900 / 2100-4G - LTE band 3(1800)
  • 7(2600)
  • 20(800)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 42.2/5.76 Mbps
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • 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
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • Super AMOLED
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Diamond Plus, A31.
SpecificationDiamond PlusA31
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • 480 nits typ. brightness
Other features
Other features — specifications for Diamond Plus, A31.
SpecificationDiamond PlusA31
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass