Samsung Galaxy A3 Duos vs vivo U3

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.

  • Display technology

    OLED versus LCD

    Galaxy A3 Duos:
    OLED
    U3:
    LCD
  • Weight

    Galaxy A3 Duos: 82.7 g lighter

    Galaxy A3 Duos:
    110.3 g
    U3:
    193 g
  • Width

    Galaxy A3 Duos: 11 mm narrower

    Galaxy A3 Duos:
    65.5 mm
    U3:
    76.5 mm
  • Screen diagonal

    Galaxy A3 Duos: 2.03 in smaller diagonal

    Galaxy A3 Duos:
    4.5 in
    U3:
    6.53 in
  • Chipset

    Galaxy A3 Duos:
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
    U3:
    Qualcomm SDM675 Snapdragon 675 (11 nm)
  • Rear camera layout

    Galaxy A3 Duos:
    Single
    U3:
    Triple

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. Galaxy A3 Duos

    Height:
    130.1 mm
    Width:
    65.5 mm
    Depth:
    6.9 mm
  2. 2. U3

    Height:
    162.2 mm +32.1 mm versus Galaxy A3 Duos
    Width:
    76.5 mm +11 mm versus Galaxy A3 Duos
    Depth:
    8.9 mm +2 mm versus Galaxy A3 Duos

Weight

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

  1. 1. Galaxy A3 Duos

    110.3 g

  2. 2. U3

    193 g

    +82.7 g versus Galaxy A3 Duos

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. Galaxy A3 Duos

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. U3

    Screen diagonal:
    6.53 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    104.7 cm²

U3 has approximately 87.5% more rectangular screen area than Galaxy A3 Duos.

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 Galaxy A3 Duos, U3, compared at the same storage capacity.
StorageGalaxy A3 DuosU3
16 GB 1 GB RAM Not recorded
64 GB Not recorded 4 / 6 GB RAM Alternative RAM configurations

Practical features

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

1. Galaxy A3 Duos

NFC:
See details Yes (LTE model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (uses SIM 2 slot)

2. U3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. Galaxy A3 Duos

    1900 mAh

  2. 2. U3

    5000 mAh

    +3100 mAh versus Galaxy A3 Duos

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. Galaxy A3 Duos2. U3

Everyday essentials
Everyday essentials — specifications for Galaxy A3 Duos, U3.
SpecificationGalaxy A3 DuosU3
Dimensions (HxWxD)
  • 130.1 Х 65.5 Х 6.9 mm
  • 162.2 Х 76.5 Х 8.9 mm
Weight
  • 110.3 g
  • 193 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.53" inch
Screen resolution
  • 540 x 960 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 64GB 4GB RAM
  • 64GB 6GB RAM
Memory card support
  • microSD
  • up to 64 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1900 mAh
  • Non-removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.4 (KitKat)
  • upgradable to 5.0.2 (Lollipop)
  • Android 9.0 (Pie); Funtouch 9.0
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Qualcomm SDM675 Snapdragon 675 (11 nm)
NFC
  • Yes (LTE model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy A3 Duos, U3.
SpecificationGalaxy A3 DuosU3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 104.7 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 65.5%
  • 84.4%
PPI /points per inch/
  • 245 PPI
  • 395 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video — specifications for Galaxy A3 Duos, U3.
SpecificationGalaxy A3 DuosU3
Rear camera, main
  • 8 MP
  • Single
  • 16 MP
  • Triple
Camera specs
  • 8 MP
  • f/2.4
  • 31mm (standard)
  • AF
  • 16 MP
  • f/1.8
  • (wide)
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • macro camera
Functions
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • f/2.2
  • 23mm (wide)
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1"
  • 1.0µm
Performance

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

Performance — specifications for Galaxy A3 Duos, U3.
SpecificationGalaxy A3 DuosU3
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
Graphics processor GPU
  • Adreno 306
  • Adreno 612
Antutu 7 score *
  • 20100
Unknown
Antutu 8 score * Unknown
  • 212000
General specs
General specs — specifications for Galaxy A3 Duos, U3.
SpecificationGalaxy A3 DuosU3
Release date
  • 2014
  • October
  • 2019
  • October
Colors
  • Pearl White
  • Midnight Black
  • Platinum Silver
  • Soft Pink
  • Light Blue
  • Champagne Gold
  • Black
  • Blue
  • Green
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
  • 150 USD
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy A3 Duos, U3.
SpecificationGalaxy A3 DuosU3
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 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)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • 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
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX
Harmful irradiation
  • SAR EU - 0.24 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy A3 Duos, U3.
SpecificationGalaxy A3 DuosU3
Radio
  • FM radio
  • recording
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy A3 Duos, U3.
SpecificationGalaxy A3 DuosU3
Dop
  • Sensors Accelerometer
  • proximity
  • compass - ANT+ - Versions: A300F/DS
  • A300G/DS
  • A300H/DS (3G only
  • no LTE)
  • A300M/DS
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 18W