Plum Sync 3.5 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

    Sync 3.5: 116 g lighter

    Sync 3.5:
    93 g
    Redmi Note 9S:
    209 g
  • Width

    Sync 3.5: 20.5 mm narrower

    Sync 3.5:
    56.2 mm
    Redmi Note 9S:
    76.7 mm
  • Screen diagonal

    Sync 3.5: 3.17 in smaller diagonal

    Sync 3.5:
    3.5 in
    Redmi Note 9S:
    6.67 in
  • Chipset

    Sync 3.5:
    Mediatek MT6572M (28 nm)
    Redmi Note 9S:
    Qualcomm SM7125 Snapdragon 720G (8 nm)
  • Rear camera layout

    Sync 3.5:
    Single
    Redmi Note 9S:
    Quad
  • Depth

    Redmi Note 9S: 1 mm thinner

    Sync 3.5:
    9.8 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. Sync 3.5

    Height:
    118.4 mm
    Width:
    56.2 mm
    Depth:
    9.8 mm +1 mm versus Redmi Note 9S
  2. 2. Redmi Note 9S

    Height:
    165.8 mm +47.4 mm versus Sync 3.5
    Width:
    76.7 mm +20.5 mm versus Sync 3.5
    Depth:
    8.8 mm

Weight

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

  1. 1. Sync 3.5

    93 g

  2. 2. Redmi Note 9S

    209 g

    +116 g versus Sync 3.5

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. Sync 3.5

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 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 194.5% more rectangular screen area than Sync 3.5.

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 Sync 3.5, Redmi Note 9S, compared at the same storage capacity.
StorageSync 3.5Redmi Note 9S
64 GB Unknown 4 GB RAM
128 GB Unknown 6 GB RAM
Sync 3.5: Original memory entry

512 MB · 256 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. Sync 3.5

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. Sync 3.5

    1350 mAh

  2. 2. Redmi Note 9S

    5020 mAh

    +3670 mAh versus Sync 3.5

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. Sync 3.52. Redmi Note 9S

Everyday essentials
Everyday essentials — specifications for Sync 3.5, Redmi Note 9S.
SpecificationSync 3.5Redmi Note 9S
Dimensions (HxWxD)
  • 118.4 Х 56.2 Х 9.8 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 93 g
  • 209 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.67" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 10.0; MIUI 11
Chipset
  • Mediatek MT6572M (28 nm)
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sync 3.5, Redmi Note 9S.
SpecificationSync 3.5Redmi Note 9S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 36.5 cm2
  • 107.4 cm2
Screen format
  • 3:2 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 54.8%
  • 84.5%
PPI /points per inch/
  • 165 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Sync 3.5, Redmi Note 9S.
SpecificationSync 3.5Redmi Note 9S
Rear camera, main
  • 1.3 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 1.3 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
  • panorama
  • HDR
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 1.3 MP
  • 16 MP
  • f/2.5
  • (wide)
  • 1.0µm
Performance
Performance — specifications for Sync 3.5, Redmi Note 9S.
SpecificationSync 3.5Redmi Note 9S
Processor CPU
  • Dual-core 1.2 GHz Cortex-A7
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU
  • Mali-400
  • Adreno 618
General specs
General specs — specifications for Sync 3.5, Redmi Note 9S.
SpecificationSync 3.5Redmi Note 9S
Release date
  • 2014
  • August
  • 2020
  • March 23
Colors
  • Black
  • White
  • Red
  • Blue
  • Pink
  • Aurora Blue
  • Glacier white
  • Interstellar Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • $ 199
Battery life
  • Stand by time- Up to 780 h Talking time- Up to 14 h
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Sync 3.5, Redmi Note 9S.
SpecificationSync 3.5Redmi Note 9S
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • 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 Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • 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
  • microUSB
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Sync 3.5, Redmi Note 9S.
SpecificationSync 3.5Redmi Note 9S
Radio
  • FM radio
  • FM radio
  • recording
Others Unknown
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for Sync 3.5, Redmi Note 9S.
SpecificationSync 3.5Redmi Note 9S
Dop
  • Sensors Accelerometer
  • gyro
  • proximity - Also known as Plum Sync 3.5 X350
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof