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Celkon A355 vs Oppo A12

Compare recorded specifications, size and practical differences.

Celkon A355

Celkon A355

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Oppo A12

Oppo A12

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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.

  • WeightA355: 67.5 g lighterA355: 97.5 g · A12: 165 g
  • WidthA355: 12.2 mm narrowerA355: 63.3 mm · A12: 75.5 mm
  • Screen diagonalA355: 2.72 in smaller diagonalA355: 3.5 in · A12: 6.22 in
  • ChipsetSpreadtrum 7715 / Mediatek MT6765 Helio P35 (12nm)A355: Spreadtrum 7715 · A12: Mediatek MT6765 Helio P35 (12nm)
  • Rear camera layoutSingle / DualA355: Single · A12: Dual
  • DepthA12: 1.9 mm thinnerA12: 8.3 mm · A355: 10.2 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.

Front
A355: 115.3 × 63.3 mm 1 A12: 155.9 × 75.5 mm 2
Side
A355: 115.3 × 10.2 mm 1 A12: 155.9 × 8.3 mm 2
  1. 1. A355
    Height
    115.3 mm
    Width
    63.3 mm
    Depth
    10.2 mm+1.9 mm versus A12
    Weight
    97.5 g
  2. 2. A12
    Height
    155.9 mm+40.6 mm versus A355
    Width
    75.5 mm+12.2 mm versus A355
    Depth
    8.3 mm
    Weight
    165 g
Weight

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

  1. 1. A35597.5 g
  2. 2. A12165 g

    +67.5 g versus A355

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.

Screen size
A355: 3.5 in, 3:2, About 36.5 cm² rectangular area 1 A12: 6.22 in, 19:9, About 96.6 cm² rectangular area 2
  1. 1. A355 3.5 in · 3:2 About 36.5 cm² rectangular area
  2. 2. A12 6.22 in · 19:9 About 96.6 cm² rectangular area

A12 has approximately 164.7% more rectangular screen area than A355.

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 by storage capacity and phone
StorageA355A12
32 GB Unknown 3 GB RAM
64 GB Unknown 4 GB RAM
A355: Original memory entry

512 MB · 256 MB 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. A355

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

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 capacity

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

  1. 1. A3551200 mAh
  2. 2. A124230 mAh

    +3030 mAh versus A355

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. A3552. A12

Everyday essentials
Everyday essentials
SpecificationA355A12
Dimensions (HxWxD)
  • 115.3 Х 63.3 Х 10.2 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 97.5 g
  • 165 g
Technology Unknown
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.22" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1520 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSDXC
BatteryCapacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Spreadtrum 7715
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationA355A12
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 96.6 cm2
Screen format
  • 3:2 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 50.0%
  • 82.0%
PPI /points per inch/
  • 165 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video
SpecificationA355A12
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 2 MP
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • Dual-LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance
Performance
SpecificationA355A12
Processor CPU
  • 1.0 GHz
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • PowerVR GE8320
General specs
General specs
SpecificationA355A12
Release date
  • 2015
  • May
  • 2020
  • April 20
Colors
  • Light Blue
  • Dart Blue
  • Red
  • Yellow
  • White
  • Blue
  • Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity
SpecificationA355A12
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • 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
  • HSPA
  • 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
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.49 W/kg (head) 0.84 W/kg (body)
Unknown
Music and Audio
Music and Audio
SpecificationA355A12
Radio
  • FM radio
  • FM radio
Others Unknown
  • 450 nits typ. brightness
Other features
Other features
SpecificationA355A12
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass