Samsung Galaxy A3 vs Xiaomi Mi 9 Explorer

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.

  • Weight

    Galaxy A3: 62.7 g lighter

    Galaxy A3:
    110.3 g
    Mi 9 Explorer:
    173 g
  • Width

    Galaxy A3: 9.2 mm narrower

    Galaxy A3:
    65.5 mm
    Mi 9 Explorer:
    74.7 mm
  • Screen diagonal

    Galaxy A3: 1.89 in smaller diagonal

    Galaxy A3:
    4.5 in
    Mi 9 Explorer:
    6.39 in
  • Chipset

    Galaxy A3:
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
    Mi 9 Explorer:
    Qualcomm SDM855 Snapdragon 855 (7 nm)
  • Rear camera layout

    Galaxy A3:
    Single
    Mi 9 Explorer:
    Triple
  • Depth

    Galaxy A3: 0.7 mm thinner

    Galaxy A3:
    6.9 mm
    Mi 9 Explorer:
    7.6 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. Galaxy A3

    Height:
    130.1 mm
    Width:
    65.5 mm
    Depth:
    6.9 mm
  2. 2. Mi 9 Explorer

    Height:
    157.5 mm +27.4 mm versus Galaxy A3
    Width:
    74.7 mm +9.2 mm versus Galaxy A3
    Depth:
    7.6 mm +0.7 mm versus Galaxy A3

Weight

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

  1. 1. Galaxy A3

    110.3 g

  2. 2. Mi 9 Explorer

    173 g

    +62.7 g versus Galaxy A3

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

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

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

Mi 9 Explorer has approximately 79.5% more rectangular screen area than Galaxy A3.

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.

Galaxy A3: Original memory entry

16 GB · 1/1.5 GB RAM

Mi 9 Explorer: Original memory entry

256 GB · 8/12 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. Galaxy A3

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

2. Mi 9 Explorer

NFC:
Yes
Headphone jack:
No
Memory card support:
No

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

    1900 mAh

  2. 2. Mi 9 Explorer

    3300 mAh

    +1400 mAh versus Galaxy A3

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 A32. Mi 9 Explorer

Everyday essentials
Everyday essentials — specifications for Galaxy A3, Mi 9 Explorer.
SpecificationGalaxy A3Mi 9 Explorer
Dimensions (HxWxD)
  • 130.1 Х 65.5 Х 6.9 mm
  • 157.5 Х 74.7 Х 7.6 mm
Weight
  • 110.3 g
  • 173 g
Technology
  • Super AMOLED
  • Super AMOLED
Screen size
  • 4.5" inch
  • 6.39" 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
  • 1/1.5 GB RAM
  • 256 GB
  • 8/12 GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1900 mAh
  • Non-removable Li-Ion
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.4 (KitKat)
  • upgradable to 6.0.1 (Marshmallow)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
NFC
  • Yes (LTE model only)
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Galaxy A3, Mi 9 Explorer.
SpecificationGalaxy A3Mi 9 Explorer
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 100.2 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 65.5%
  • 85.2%
PPI /points per inch/
  • 245 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass 6
Camera and Video
Camera and Video — specifications for Galaxy A3, Mi 9 Explorer.
SpecificationGalaxy A3Mi 9 Explorer
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 8 MP
  • f/2.4
  • 31mm (standard)
  • AF
  • 48 MP
  • f/1.5 (12GB RAM model) or f/1.8 (8GB RAM model)
  • (wide)
  • 1/2"
  • 0.8µm
  • PDAF
  • Laser AF - 12 MP
  • f/2.2
  • 54mm (telephoto)
  • 1/3.6"
  • 1.0µm
  • laser AF
  • 2x optical zoom - 16 MP
  • 13mm (ultrawide)
  • 1/3.0"
Functions
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 5 MP
  • f/2.2
  • 23mm (wide)
  • 20 MP
  • f/2.0
  • 0.9μm
Performance

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

Performance — specifications for Galaxy A3, Mi 9 Explorer.
SpecificationGalaxy A3Mi 9 Explorer
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Adreno 306
  • Adreno 640
Antutu 7 score *
  • 20398
Unknown
GeekBench 4 Single Core *
  • 490
Unknown
GeekBench 4 Multi-Core *
  • 1115
Unknown
GeekBench 4 RenderScript *
  • 811
Unknown
General specs
General specs — specifications for Galaxy A3, Mi 9 Explorer.
SpecificationGalaxy A3Mi 9 Explorer
Release date
  • 2014
  • October
  • 2019
  • February
Colors
  • Pearl White
  • Midnight Black
  • Platinum Silver
  • Soft Pink
  • Light Blue
  • Champagne Gold
  • Transparent Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
  • 530 EUR
Battery life
  • Talking time- Up to 12 h (3G) Music play - Up to 60 h
Unknown
Body build
  • aluminum frame
  • plastic back
  • Back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy A3, Mi 9 Explorer.
SpecificationGalaxy A3Mi 9 Explorer
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions -3G - HSDPA 850 / 900 / 1900 / 2100 - A300F
  • A300FU
  • A300G
  • A300HQ
  • A300M
  • A300YZ -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800) - A300F
  • A300FU LTE band 1(2100)
  • 20(800)
  • 40(2300) - A300G LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 17(700) - A300M LTE band 3(1800)
  • 28(700) - A300YZ
  • 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)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • 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
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX HD
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, Mi 9 Explorer.
SpecificationGalaxy A3Mi 9 Explorer
Radio
  • FM radio
  • recording
  • No
Others
  • Active noise cancellation with dedicated mic
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy A3, Mi 9 Explorer.
SpecificationGalaxy A3Mi 9 Explorer
Dop
  • Sensors Accelerometer
  • proximity
  • compass - ANT+ - Versions: A300F with 1 GB RAM; A300FU with 1.5 GB RAM
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (Quick Charge 4+) -Fast wireless charging 20W - Also known as Xiaomi Mi 9 Transparent Edition