Motorola A3100 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.

  • Weight

    A3100: 90 g lighter

    A3100:
    119 g
    Redmi Note 9S:
    209 g
  • Width

    A3100: 17 mm narrower

    A3100:
    59.7 mm
    Redmi Note 9S:
    76.7 mm
  • Screen diagonal

    A3100: 3.87 in smaller diagonal

    A3100:
    2.8 in
    Redmi Note 9S:
    6.67 in
  • Chipset

    A3100:
    Qualcomm MSM7201A
    Redmi Note 9S:
    Qualcomm SM7125 Snapdragon 720G (8 nm)
  • Rear camera layout

    A3100:
    Single
    Redmi Note 9S:
    Quad
  • Depth

    Redmi Note 9S: 4.9 mm thinner

    A3100:
    13.7 mm
    Redmi Note 9S:
    8.8 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. A3100

    Height:
    110 mm
    Width:
    59.7 mm
    Depth:
    13.7 mm +4.9 mm versus Redmi Note 9S
  2. 2. Redmi Note 9S

    Height:
    165.8 mm +55.8 mm versus A3100
    Width:
    76.7 mm +17 mm versus A3100
    Depth:
    8.8 mm

Weight

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

  1. 1. A3100

    119 g

  2. 2. Redmi Note 9S

    209 g

    +90 g versus A3100

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. A3100

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 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 342.4% more rectangular screen area than A3100.

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 A3100, Redmi Note 9S, compared at the same storage capacity.
StorageA3100Redmi Note 9S
64 GB Unknown 4 GB RAM
128 GB Unknown 6 GB RAM
A3100: Original memory entry

256 MB · 128 MB 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. A3100

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 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. A3100

    1170 mAh

  2. 2. Redmi Note 9S

    5020 mAh

    +3850 mAh versus A3100

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. A31002. Redmi Note 9S

Everyday essentials
Everyday essentials — specifications for A3100, Redmi Note 9S.
SpecificationA3100Redmi Note 9S
Dimensions (HxWxD)
  • 110 Х 59.7 Х 13.7 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 119 g
  • 209 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 6.67" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB
  • 128 MB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1170 mAh
  • Removable Li-Ion
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 10.0; MIUI 11
Chipset
  • Qualcomm MSM7201A
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A3100, Redmi Note 9S.
SpecificationA3100Redmi Note 9S
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 107.4 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 37.0%
  • 84.5%
PPI /points per inch/
  • 143 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for A3100, Redmi Note 9S.
SpecificationA3100Redmi Note 9S
Rear camera, main
  • 3.15 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 3.15 MP
  • 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
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA videocall camera
  • 16 MP
  • f/2.5
  • (wide)
  • 1.0µm
Performance
Performance — specifications for A3100, Redmi Note 9S.
SpecificationA3100Redmi Note 9S
Processor CPU
  • 528 MHz ARM 11
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU
  • Adreno 130
  • Adreno 618
General specs
General specs — specifications for A3100, Redmi Note 9S.
SpecificationA3100Redmi Note 9S
Release date
  • 2009
  • January
  • 2020
  • March 23
Colors
  • Black
  • Aurora Blue
  • Glacier white
  • Interstellar Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • $ 199
Battery life
  • Stand by time- Up to 298 h Talking time- Up to 6 h 48 min
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for A3100, Redmi Note 9S.
SpecificationA3100Redmi Note 9S
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • 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 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • miniUSB
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.31 W/kg (head) 1.33 W/kg (body) SAR EU - 0.93 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for A3100, Redmi Note 9S.
SpecificationA3100Redmi Note 9S
Radio
  • No
  • FM radio
  • recording
Others
  • Handwriting recognition
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for A3100, Redmi Note 9S.
SpecificationA3100Redmi Note 9S
Dop
  • Pocket Office -Voice memo -MP3/WMA/MP4/WMV player
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof