Nokia 8.1 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

    8.1: 29 g lighter

    8.1:
    180 g
    Redmi Note 9S:
    209 g
  • Screen diagonal

    8.1: 0.49 in smaller diagonal

    8.1:
    6.18 in
    Redmi Note 9S:
    6.67 in
  • Chipset

    8.1:
    Qualcomm SDM710 Snapdragon 710 (10 nm)
    Redmi Note 9S:
    Qualcomm SM7125 Snapdragon 720G (8 nm)
  • Rear camera layout

    8.1:
    Dual
    Redmi Note 9S:
    Quad
  • Depth

    8.1: 0.8 mm thinner

    8.1:
    8 mm
    Redmi Note 9S:
    8.8 mm
  • Height

    8.1: 11 mm shorter

    8.1:
    154.8 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. 8.1

    Height:
    154.8 mm
    Width:
    75.8 mm
    Depth:
    8 mm
  2. 2. Redmi Note 9S

    Height:
    165.8 mm +11 mm versus 8.1
    Width:
    76.7 mm
    Depth:
    8.8 mm +0.8 mm versus 8.1

Weight

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

  1. 1. 8.1

    180 g

  2. 2. Redmi Note 9S

    209 g

    +29 g versus 8.1

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. 8.1

    Screen diagonal:
    6.18 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    95.3 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 12.7% more rectangular screen area than 8.1.

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 8.1, Redmi Note 9S, compared at the same storage capacity.
Storage8.1Redmi Note 9S
64 GB Unknown 4 GB RAM
128 GB Unknown 6 GB RAM
8.1: Original memory entry

64 GB · 4 GB RAM - Nokia 8.164/128 GB · 4/6 GB RAM - Nokia X7Y

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. 8.1

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 400 GB (uses SIM 2 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. 8.1

    3500 mAh

  2. 2. Redmi Note 9S

    5020 mAh

    +1520 mAh versus 8.1

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. 8.12. Redmi Note 9S

Everyday essentials
Everyday essentials — specifications for 8.1, Redmi Note 9S.
Specification8.1Redmi Note 9S
Dimensions (HxWxD)
  • 154.8 Х 75.8 Х 8 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 180 g
  • 209 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.18" inch
  • 6.67" inch
Screen resolution
  • 1080 x 2280 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM - Nokia 8.164/128 GB
  • 4/6 GB RAM - Nokia X7Y
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 400 GB (uses SIM 2 slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); Android One
  • Android 10.0; MIUI 11
Chipset
  • Qualcomm SDM710 Snapdragon 710 (10 nm)
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 8.1, Redmi Note 9S.
Specification8.1Redmi Note 9S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 95.3 cm2
  • 107.4 cm2
Screen format
  • 19:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 81.2%
  • 84.5%
PPI /points per inch/
  • 408 PPI
  • 395 PPI
Screen protection
  • NEG
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for 8.1, Redmi Note 9S.
Specification8.1Redmi Note 9S
Rear camera, main
  • 12 MP
  • Dual
  • 48 MP
  • Quad
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
  • OIS -13 MP
  • 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
  • Zeiss optics
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • HDR
  • panorama
Video
  • 2160p@30fps
  • 1080p@30fps (gyro-EIS)
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 20 MP
  • f/2.0
  • 0.9μm
  • 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 8.1, Redmi Note 9S.
Specification8.1Redmi Note 9S
Processor CPU
  • Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU
  • Adreno 616
  • Adreno 618
Antutu 7 score *
  • 177222
Unknown
General specs
General specs — specifications for 8.1, Redmi Note 9S.
Specification8.1Redmi Note 9S
Release date
  • 2018
  • December
  • 2020
  • March 23
Colors
  • Blue
  • Silver
  • steel
  • copper
  • Iron
  • Aurora Blue
  • Glacier white
  • Interstellar Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 400 EUR
  • $ 199
Body build
  • Front/back glass
  • aluminum frame
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for 8.1, Redmi Note 9S.
Specification8.1Redmi Note 9S
SIM card
  • Hybrid Dual SIM (Nano-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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • 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-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi 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
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for 8.1, Redmi Note 9S.
Specification8.1Redmi Note 9S
Radio
  • No
  • FM radio
  • recording
Others
  • Active noise cancellation with dedicated mic
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for 8.1, Redmi Note 9S.
Specification8.1Redmi Note 9S
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 2A/9V (18W) - Versions: Nokia 8.1 (Global); Nokia X7 (China)
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof