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Allview A4 Duo vs BLU Studio One Plus

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • WeightA4 Duo: 64.4 g lighterA4 Duo: 110.6 g · Studio One Plus: 175 g
  • WidthA4 Duo: 8 mm narrowerA4 Duo: 63.2 mm · Studio One Plus: 71.2 mm
  • Screen diagonalA4 Duo: 2 in smaller diagonalA4 Duo: 3.5 in · Studio One Plus: 5.5 in
  • DepthStudio One Plus: 3.3 mm thinnerStudio One Plus: 8.7 mm · A4 Duo: 12 mm
  • HeightA4 Duo: 27.4 mm shorterA4 Duo: 116.1 mm · Studio One Plus: 143.5 mm
  • Release year2013 / 2016A4 Duo: 2013 · Studio One Plus: 2016

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
A4 Duo: 116.1 × 63.2 mm 1 Studio One Plus: 143.5 × 71.2 mm 2
Side
A4 Duo: 116.1 × 12 mm 1 Studio One Plus: 143.5 × 8.7 mm 2
  1. 1. A4 Duo
    Height
    116.1 mm
    Width
    63.2 mm
    Depth
    12 mm+3.3 mm versus Studio One Plus
    Weight
    110.6 g
  2. 2. Studio One Plus
    Height
    143.5 mm+27.4 mm versus A4 Duo
    Width
    71.2 mm+8 mm versus A4 Duo
    Depth
    8.7 mm
    Weight
    175 g
Weight

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

  1. 1. A4 Duo110.6 g
  2. 2. Studio One Plus175 g

    +64.4 g versus A4 Duo

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
A4 Duo: 3.5 in, 3:2, About 36.5 cm² rectangular area 1 Studio One Plus: 5.5 in, 16:9, About 83.4 cm² rectangular area 2
  1. 1. A4 Duo 3.5 in · 3:2 About 36.5 cm² rectangular area
  2. 2. Studio One Plus 5.5 in · 16:9 About 83.4 cm² rectangular area

Studio One Plus has approximately 128.6% more rectangular screen area than A4 Duo.

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
StorageA4 DuoStudio One Plus
16 GB Unknown 2 GB RAM
A4 Duo: Original memory entry

512 MB RAM - Liquid M2208 GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A4 Duo

NFC
See details Super AMOLED
Headphone jack
Yes
Memory card support
See details panorama

2. Studio One Plus

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSD · up to 64 GB

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. A4 Duo1200 mAh
  2. 2. Studio One Plus3200 mAh

    +2000 mAh versus A4 Duo

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. A4 Duo2. Studio One Plus

Everyday essentials
Everyday essentials
SpecificationA4 DuoStudio One Plus
Dimensions (HxWxD)
  • 116.1 Х 63.2 Х 12 mm
  • 143.5 Х 71.2 Х 8.7 mm
Weight
  • 110.6 g
  • 175 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.5" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 1920 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB RAM - Liquid M2208 GB
  • 16 GB
  • 2 GB RAM
Memory card support
  • panorama
  • microSD
  • up to 64 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 3200 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Mediatek MT6753 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationA4 DuoStudio One Plus
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 36.5 cm2
  • 83.4 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 149.7 g
  • 81.6%
PPI /points per inch/
  • 165 PPI
  • 401 PPI
Camera and Video
Camera and Video
SpecificationA4 DuoStudio One Plus
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • f/2.0
  • 1/3''
  • AF
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications
  • Super AMOLED
  • 5 MP
Performance
Performance
SpecificationA4 DuoStudio One Plus
Processor CPU
  • Dual-core 1.0 GHz Cotex-A7
  • Octa-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-T720
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 11698
Unknown
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 603
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 2680
General specs
General specs
SpecificationA4 DuoStudio One Plus
Release date
  • 2013
  • November
  • 2016
  • February
Colors
  • Black
  • Grey
  • Gold
  • Silver
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 750 h (2G) / Up to 650 h (3G) Talking time- Up to 28 h (2G) / Up to 18 h (3G)
Communication and Connectivity
Communication and Connectivity
SpecificationA4 DuoStudio One Plus
SIM card
  • Dual SIM (dual stand-by)
  • Dual SIM (Micro-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 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 - S0130UU -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 7(2600)
  • 12(700)
  • 17(700) - S0130UU
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi Direct
  • Wi-Fi 802.11 b/g/n
GPS
  • panorama
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Music and Audio
Music and Audio
SpecificationA4 DuoStudio One Plus
Radio
  • FM radio
  • FM radio
Other features
Other features
SpecificationA4 DuoStudio One Plus
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass