Jolla Jolla vs Oppo A12

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

    Jolla: 24 g lighter

    Jolla:
    141 g
    A12:
    165 g
  • Width

    Jolla: 7.5 mm narrower

    Jolla:
    68 mm
    A12:
    75.5 mm
  • Screen diagonal

    Jolla: 1.72 in smaller diagonal

    Jolla:
    4.5 in
    A12:
    6.22 in
  • Chipset

    Jolla:
    Qualcomm Snapdragon 400 (28 nm)
    A12:
    Mediatek MT6765 Helio P35 (12nm)
  • Rear camera layout

    Jolla:
    Single
    A12:
    Dual
  • Depth

    A12: 1.6 mm thinner

    Jolla:
    9.9 mm
    A12:
    8.3 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. Jolla

    Height:
    131 mm
    Width:
    68 mm
    Depth:
    9.9 mm +1.6 mm versus A12
  2. 2. A12

    Height:
    155.9 mm +24.9 mm versus Jolla
    Width:
    75.5 mm +7.5 mm versus Jolla
    Depth:
    8.3 mm

Weight

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

  1. 1. Jolla

    141 g

  2. 2. A12

    165 g

    +24 g versus Jolla

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. Jolla

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. A12

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

A12 has approximately 73% more rectangular screen area than Jolla.

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 Jolla, A12, compared at the same storage capacity.
StorageJollaA12
16 GB 1 GB RAM Not recorded
32 GB Not recorded 3 GB RAM
64 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. Jolla

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. A12

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

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. Jolla

    2100 mAh

  2. 2. A12

    4230 mAh

    +2130 mAh versus Jolla

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. Jolla2. A12

Everyday essentials
Everyday essentials — specifications for Jolla, A12.
SpecificationJollaA12
Dimensions (HxWxD)
  • 131 Х 68 Х 9.9 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 141 g
  • 165 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.22" inch
Screen resolution
  • 540 x 960 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Sailfish 1
  • upgradable to 2.0
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
  • Mediatek MT6765 Helio P35 (12nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Jolla, A12.
SpecificationJollaA12
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 96.6 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 62.7%
  • 82.0%
PPI /points per inch/
  • 245 PPI
  • 270 PPI
Screen protection
  • Corning Gorilla Glass 2
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Jolla, A12.
SpecificationJollaA12
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 8 MP
  • AF
  • f/2.4
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance
Performance — specifications for Jolla, A12.
SpecificationJollaA12
Processor CPU
  • Dual-core 1.4 GHz Krait 300
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 305
  • PowerVR GE8320
General specs
General specs — specifications for Jolla, A12.
SpecificationJollaA12
Release date
  • 2013
  • May
  • 2020
  • April 20
Colors
  • Black
  • Orange
  • Green
  • White
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 500 h (2G) / Up to 500 h (3G) Talking time- Up to 9 h (2G) / Up to 10 h (3G)
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Jolla, A12.
SpecificationJollaA12
SIM card
  • Micro-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 900 / 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 band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.55 W/kg (head) 1.47 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Jolla, A12.
SpecificationJollaA12
Radio
  • No
  • FM radio
Others Unknown
  • 450 nits typ. brightness
Other features
Other features — specifications for Jolla, A12.
SpecificationJollaA12
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Android app compatibility -MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV/Flac player -Document viewer -Photo viewer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass