Oppo A31 vs Vertu Signature Touch

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

    A31: 12 g lighter

    A31:
    180 g
    Signature Touch:
    192 g
  • Width

    Signature Touch: 6.5 mm narrower

    A31:
    75.5 mm
    Signature Touch:
    69 mm
  • Screen diagonal

    Signature Touch: 1.8 in smaller diagonal

    A31:
    6.5 in
    Signature Touch:
    4.7 in
  • Rear camera layout

    A31:
    Triple
    Signature Touch:
    Single
  • Depth

    A31: 2.4 mm thinner

    A31:
    8.3 mm
    Signature Touch:
    10.7 mm
  • Height

    Signature Touch: 18.9 mm shorter

    A31:
    163.9 mm
    Signature Touch:
    145 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 +18.9 mm versus Signature Touch
    Width:
    75.5 mm +6.5 mm versus Signature Touch
    Depth:
    8.3 mm
  2. 2. Signature Touch

    Height:
    145 mm
    Width:
    69 mm
    Depth:
    10.7 mm +2.4 mm versus A31

Weight

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

  1. 1. A31

    180 g

  2. 2. Signature Touch

    192 g

    +12 g versus A31

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. Signature Touch

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

A31 has approximately 67.5% more rectangular screen area than Signature Touch.

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, Signature Touch, compared at the same storage capacity.
StorageA31Signature Touch
64 GB Not recorded 2 GB RAM
128 GB 4 GB RAM Not recorded

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. Signature Touch

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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

    +1955 mAh versus Signature Touch

  2. 2. Signature Touch

    2275 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. Signature Touch

Everyday essentials
Everyday essentials — specifications for A31, Signature Touch.
SpecificationA31Signature Touch
Dimensions (HxWxD)
  • 163.9 Х 75.5 Х 8.3 mm
  • 145 Х 69 Х 10.7 mm
Weight
  • 180 g
  • 192 g
Technology
  • IPS LCD
  • Sapphire crystal glass
Screen size
  • 6.5" inch
  • 4.7" inch
Screen resolution
  • 720 x 1600 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 4GB RAM
  • 64 GB
  • 2 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 2275 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6765V/CB Helio P35 (12nm)
  • Qualcomm Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A31, Signature Touch.
SpecificationA31Signature Touch
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 60.9 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.4%
  • 60.9%
PPI /points per inch/
  • 270 PPI
  • 469 PPI
Screen protection Unknown
  • Scratch-proof glass
Camera and Video
Camera and Video — specifications for A31, Signature Touch.
SpecificationA31Signature Touch
Rear camera, main
  • 12 MP
  • Triple
  • 13 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)
  • 13 MP
  • Hasselblad certified
  • AF
Functions
  • HDR
  • Dual-LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2.1 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 2.1 MP
Performance

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

Performance — specifications for A31, Signature Touch.
SpecificationA31Signature Touch
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Quad-core 2.3 GHz Krait 400
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 330
GeekBench 4 Single Core * Unknown
  • 354
GeekBench 4 Multi-Core * Unknown
  • 1174
Antutu 8 score *
  • 105221
Unknown
General specs
General specs — specifications for A31, Signature Touch.
SpecificationA31Signature Touch
Release date
  • 2020
  • February 13
  • 2014
  • June
Colors
  • Fantasy White
  • Mystery Black
  • Jet/ Claret leather
  • pure Jet leather
  • Pure Jet Red Gold
  • Seaspray/ Damson/ Pure navy lizard
  • Jet Alligator
  • Clous De Paris
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 8290 EUR
Battery life Unknown
  • Stand by time- Up to 380 h Talking time- Up to 15 h 30 min
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A31, Signature Touch.
SpecificationA31Signature Touch
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
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 -3G - HSDPA 850 / 900 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 17(700)
  • 20(800)
  • 25(1900)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 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 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.69 W/kg (head) 1.29 W/kg (body) SAR EU - 0.49 W/kg (head)
Music and Audio
Music and Audio — specifications for A31, Signature Touch.
SpecificationA31Signature Touch
Radio
  • FM radio
  • No
Others
  • 480 nits typ. brightness
  • Dolby Digital Plus audio enhancement -Bang & Olufsen -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A31, Signature Touch.
SpecificationA31Signature Touch
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Titanium body (forged grade 5) and luxurious calf leather covered rear panel - Also known as Vertu Signature Touch RM-980V
  • RM-980C