Lenovo K3 Note 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

    K3 Note: 59 g lighter

    K3 Note:
    150 g
    Redmi Note 9S:
    209 g
  • Screen diagonal

    K3 Note: 1.17 in smaller diagonal

    K3 Note:
    5.5 in
    Redmi Note 9S:
    6.67 in
  • Chipset

    K3 Note:
    Mediatek MT6752 (28 nm)
    Redmi Note 9S:
    Qualcomm SM7125 Snapdragon 720G (8 nm)
  • Rear camera layout

    K3 Note:
    Single
    Redmi Note 9S:
    Quad
  • Depth

    K3 Note: 0.8 mm thinner

    K3 Note:
    8 mm
    Redmi Note 9S:
    8.8 mm
  • Height

    K3 Note: 13.2 mm shorter

    K3 Note:
    152.6 mm
    Redmi Note 9S:
    165.8 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. K3 Note

    Height:
    152.6 mm
    Width:
    76.2 mm
    Depth:
    8 mm
  2. 2. Redmi Note 9S

    Height:
    165.8 mm +13.2 mm versus K3 Note
    Width:
    76.7 mm
    Depth:
    8.8 mm +0.8 mm versus K3 Note

Weight

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

  1. 1. K3 Note

    150 g

  2. 2. Redmi Note 9S

    209 g

    +59 g versus K3 Note

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. K3 Note

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 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 28.8% more rectangular screen area than K3 Note.

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 K3 Note, Redmi Note 9S, compared at the same storage capacity.
StorageK3 NoteRedmi Note 9S
16 GB 2 GB RAM Not recorded
64 GB Not recorded 4 GB RAM
128 GB Not recorded 6 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. K3 Note

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. K3 Note

    3000 mAh

  2. 2. Redmi Note 9S

    5020 mAh

    +2020 mAh versus K3 Note

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. K3 Note2. Redmi Note 9S

Everyday essentials
Everyday essentials — specifications for K3 Note, Redmi Note 9S.
SpecificationK3 NoteRedmi Note 9S
Dimensions (HxWxD)
  • 152.6 Х 76.2 Х 8 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 150 g
  • 209 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.67" inch
Screen resolution
  • 1080 x 1920 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
  • 2 GB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Removable Li-Ion
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.2 (Lollipop)
  • upgradable to 6 (Marshmallow)
  • Android 10.0; MIUI 11
Chipset
  • Mediatek MT6752 (28 nm)
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K3 Note, Redmi Note 9S.
SpecificationK3 NoteRedmi Note 9S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 107.4 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 71.7%
  • 84.5%
PPI /points per inch/
  • 401 PPI
  • 395 PPI
Screen protection
  • Asahi Dragontrail Glass
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for K3 Note, Redmi Note 9S.
SpecificationK3 NoteRedmi Note 9S
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 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
  • Dual-LED flash
  • HDR
  • panorama
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • f/2.4
  • 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 K3 Note, Redmi Note 9S.
SpecificationK3 NoteRedmi Note 9S
Processor CPU
  • Octa-core 1.7 GHz Cortex-A53
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU
  • Mali-T760MP2
  • Adreno 618
Antutu 7 score *
  • 46822
Unknown
GeekBench 4 Single Core *
  • 728
Unknown
GeekBench 4 Multi-Core *
  • 2898
Unknown
GeekBench 4 RenderScript *
  • 2147
Unknown
General specs
General specs — specifications for K3 Note, Redmi Note 9S.
SpecificationK3 NoteRedmi Note 9S
Release date
  • 2015
  • March
  • 2020
  • March 23
Colors
  • Onyx Black
  • Pearl White
  • Laser Yellow
  • 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 750 h (3G) Talking time- Up to 36 h (3G)
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for K3 Note, Redmi Note 9S.
SpecificationK3 NoteRedmi Note 9S
SIM card
  • Dual SIM (Micro-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 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - India -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 2100 - India -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 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
  • TD-SCDMA
  • LTE
  • TD-LTE
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • 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
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for K3 Note, Redmi Note 9S.
SpecificationK3 NoteRedmi Note 9S
Radio
  • FM radio
  • FM radio
  • recording
Others
  • Dolby Atmos audio enhancement -Active noise cancellation with dedicated mic
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for K3 Note, Redmi Note 9S.
SpecificationK3 NoteRedmi Note 9S
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Also known as Lenovo A7000 Turbo in India
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof