Allview A4ALL vs Oppo R15

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

    A4ALL: 52.3 g lighter

    A4ALL:
    122.7 g
    R15:
    175 g
  • Width

    A4ALL: 13.2 mm narrower

    A4ALL:
    62 mm
    R15:
    75.2 mm
  • Screen diagonal

    A4ALL: 2.78 in smaller diagonal

    A4ALL:
    3.5 in
    R15:
    6.28 in
  • Rear camera layout

    A4ALL:
    Single
    R15:
    Dual
  • Depth

    R15: 4.8 mm thinner

    A4ALL:
    12.2 mm
    R15:
    7.4 mm
  • Height

    A4ALL: 40.1 mm shorter

    A4ALL:
    115 mm
    R15:
    155.1 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. A4ALL

    Height:
    115 mm
    Width:
    62 mm
    Depth:
    12.2 mm +4.8 mm versus R15
  2. 2. R15

    Height:
    155.1 mm +40.1 mm versus A4ALL
    Width:
    75.2 mm +13.2 mm versus A4ALL
    Depth:
    7.4 mm

Weight

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

  1. 1. A4ALL

    122.7 g

  2. 2. R15

    175 g

    +52.3 g versus A4ALL

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. A4ALL

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. R15

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

R15 has approximately 169.9% more rectangular screen area than A4ALL.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A4ALL: Original memory entry

512 MB RAM - Liquid M2208 GB · 256 MB RAM

R15: Original memory entry

128 GB · 4/6 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. A4ALL

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

2. R15

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. A4ALL

    1500 mAh

  2. 2. R15

    3450 mAh

    +1950 mAh versus A4ALL

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. A4ALL2. R15

Everyday essentials
Everyday essentials — specifications for A4ALL, R15.
SpecificationA4ALLR15
Dimensions (HxWxD)
  • 115 Х 62 Х 12.2 mm
  • 155.1 Х 75.2 Х 7.4 mm
Weight
  • 122.7 g
  • 175 g
Technology
  • TFT
  • AMOLED
Screen size
  • 3.5" inch
  • 6.28" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB RAM - Liquid M2208 GB
  • 256 MB RAM
  • 128 GB
  • 4/6 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3450 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.3.6 (Gingerbread)
  • Android 8.1 (Oreo); ColorOS 5
Chipset Unknown
  • Mediatek MT6771 Helio P60 (12 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A4ALL, R15.
SpecificationA4ALLR15
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 36.5 cm2
  • 98.9 cm2
Screen format
  • 3:2 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 51.2%
  • 84.8%
PPI /points per inch/
  • 165 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for A4ALL, R15.
SpecificationA4ALLR15
Rear camera, main
  • 2 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 2 MP
  • 16 MP
  • f/1.7
  • 1/2.6''
  • 1.22µm
  • PDAF -5 MP
  • f/2.2
  • depth sensor
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • 480p@25fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 2 MP or VGA
  • 20 MP
  • f/2.0
Performance

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

Performance — specifications for A4ALL, R15.
SpecificationA4ALLR15
Processor CPU
  • 1.0 GHz Cortex-A9
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR SGX531
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 140520
GeekBench 4 Single Core * Unknown
  • 1928
GeekBench 4 Multi-Core * Unknown
  • 4904
General specs
General specs — specifications for A4ALL, R15.
SpecificationA4ALLR15
Release date
  • 2013
  • April
  • 2018
  • March
Colors
  • Black
  • White
  • Blue
  • Hot Red
  • Snow White
  • Star Purple
  • Fantasy Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 460 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 5 h
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for A4ALL, R15.
SpecificationA4ALLR15
SIM card
  • Dual SIM (dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/100 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE
  • EDR
Music and Audio
Music and Audio — specifications for A4ALL, R15.
SpecificationA4ALLR15
Radio
  • FM radio
  • RDS
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A4ALL, R15.
SpecificationA4ALLR15
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: VOOC Flash Charge 5V/4A