Samsung Galaxy A3 vs Xiaomi Redmi Note 9S

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:
    OLED
    Redmi Note 9S:
    LCD
  • Weight

    Galaxy A3: 98.7 g lighter

    Galaxy A3:
    110.3 g
    Redmi Note 9S:
    209 g
  • Width

    Galaxy A3: 11.2 mm narrower

    Galaxy A3:
    65.5 mm
    Redmi Note 9S:
    76.7 mm
  • Screen diagonal

    Galaxy A3: 2.17 in smaller diagonal

    Galaxy A3:
    4.5 in
    Redmi Note 9S:
    6.67 in
  • Chipset

    Galaxy A3:
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
    Redmi Note 9S:
    Qualcomm SM7125 Snapdragon 720G (8 nm)
  • Rear camera layout

    Galaxy A3:
    Single
    Redmi Note 9S:
    Quad

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. Redmi Note 9S

    Height:
    165.8 mm +35.7 mm versus Galaxy A3
    Width:
    76.7 mm +11.2 mm versus Galaxy A3
    Depth:
    8.8 mm +1.9 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. Redmi Note 9S

    209 g

    +98.7 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. Redmi Note 9S

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²

Redmi Note 9S has approximately 92.4% 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.

Recorded RAM for Galaxy A3, Redmi Note 9S, compared at the same storage capacity.
StorageGalaxy A3Redmi Note 9S
64 GB Unknown 4 GB RAM
128 GB Unknown 6 GB RAM
Galaxy A3: Original memory entry

16 GB · 1/1.5 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. Redmi Note 9S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated 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. Galaxy A3

    1900 mAh

  2. 2. Redmi Note 9S

    5020 mAh

    +3120 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. Redmi Note 9S

Everyday essentials
Everyday essentials — specifications for Galaxy A3, Redmi Note 9S.
SpecificationGalaxy A3Redmi Note 9S
Dimensions (HxWxD)
  • 130.1 Х 65.5 Х 6.9 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 110.3 g
  • 209 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.67" inch
Screen resolution
  • 540 x 960 px
  • 1080 x 2400 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
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1900 mAh
  • Non-removable Li-Ion
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.4 (KitKat)
  • upgradable to 6.0.1 (Marshmallow)
  • Android 10.0; MIUI 11
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
NFC
  • Yes (LTE model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy A3, Redmi Note 9S.
SpecificationGalaxy A3Redmi Note 9S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 107.4 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 65.5%
  • 84.5%
PPI /points per inch/
  • 245 PPI
  • 395 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Galaxy A3, Redmi Note 9S.
SpecificationGalaxy A3Redmi Note 9S
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 8 MP
  • f/2.4
  • 31mm (standard)
  • AF
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm -5 MP
  • f/2.4
  • (macro)
  • 1.12µm -2 MP
  • (depth)
Functions
  • LED flash
  • panorama
  • HDR
  • panorama
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/2.5
  • (wide)
  • 1.0µm
Performance

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

Performance — specifications for Galaxy A3, Redmi Note 9S.
SpecificationGalaxy A3Redmi Note 9S
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU
  • Adreno 306
  • Adreno 618
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, Redmi Note 9S.
SpecificationGalaxy A3Redmi Note 9S
Release date
  • 2014
  • October
  • 2020
  • March 23
Colors
  • Pearl White
  • Midnight Black
  • Platinum Silver
  • Soft Pink
  • Light Blue
  • Champagne Gold
  • Aurora Blue
  • Glacier white
  • Interstellar Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
  • $ 199
Battery life
  • Talking time- Up to 12 h (3G) Music play - Up to 60 h
Unknown
Body build
  • aluminum frame
  • plastic back
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy A3, Redmi Note 9S.
SpecificationGalaxy A3Redmi Note 9S
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 -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)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
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
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • LE
  • 5.0
  • A2DP
  • LE
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, Redmi Note 9S.
SpecificationGalaxy A3Redmi Note 9S
Radio
  • FM radio
  • recording
  • FM radio
  • recording
Others
  • Active noise cancellation with dedicated mic
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for Galaxy A3, Redmi Note 9S.
SpecificationGalaxy A3Redmi Note 9S
Dop
  • Sensors Accelerometer
  • proximity
  • compass - ANT+ - Versions: A300F with 1 GB RAM; A300FU with 1.5 GB RAM
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof