Samsung Galaxy Note 9 vs Xiaomi Mi 9

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Mi 9: 28 g lighter

    Galaxy Note 9:
    201 g
    Mi 9:
    173 g
  • Width

    Mi 9: 1.7 mm narrower

    Galaxy Note 9:
    76.4 mm
    Mi 9:
    74.7 mm
  • Rear camera layout

    Galaxy Note 9:
    Dual
    Mi 9:
    Triple
  • Depth

    Mi 9: 1.2 mm thinner

    Galaxy Note 9:
    8.8 mm
    Mi 9:
    7.6 mm
  • Height

    Mi 9: 4.4 mm shorter

    Galaxy Note 9:
    161.9 mm
    Mi 9:
    157.5 mm
  • Release year

    Galaxy Note 9:
    2018
    Mi 9:
    2019

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 Note 9

    Height:
    161.9 mm +4.4 mm versus Mi 9
    Width:
    76.4 mm +1.7 mm versus Mi 9
    Depth:
    8.8 mm +1.2 mm versus Mi 9
  2. 2. Mi 9

    Height:
    157.5 mm
    Width:
    74.7 mm
    Depth:
    7.6 mm

Weight

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

  1. 1. Galaxy Note 9

    201 g

    +28 g versus Mi 9

  2. 2. Mi 9

    173 g

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 Note 9

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    104 cm²
  2. 2. Mi 9

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

Galaxy Note 9 has approximately 3.7% more rectangular screen area than Mi 9.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Galaxy Note 9: Original memory entry

512 GB · 8 GB RAM 128 GB · 6 GB RAM

Mi 9: Original memory entry

64/128 GB · 6/8 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 Note 9

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot) - dual SIM model only

2. Mi 9

NFC:
Yes
Headphone jack:
No
Memory card support:
No

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 Note 9

    4000 mAh

    +700 mAh versus Mi 9

  2. 2. Mi 9

    3300 mAh

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 Note 92. Mi 9

Everyday essentials
Everyday essentials — specifications for Galaxy Note 9, Mi 9.
SpecificationGalaxy Note 9Mi 9
Dimensions (HxWxD)
  • 161.9 Х 76.4 Х 8.8 mm
  • 157.5 Х 74.7 Х 7.6 mm
Weight
  • 201 g
  • 173 g
Technology
  • Super AMOLED
  • Super AMOLED
Screen size
  • 6.4" inch
  • 6.39" inch
Screen resolution
  • 1440 x 2960 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 GB
  • 8 GB RAM 128 GB
  • 6 GB RAM
  • 64/128 GB
  • 6/8 GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot) - dual SIM model only
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); One UI
  • Android 9.0 (Pie)
Chipset
  • Exynos 9810 Octa (10 nm) EMEA -Qualcomm SDM845 Snapdragon 845 (10 nm) USA/LATAM
  • China
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Galaxy Note 9, Mi 9.
SpecificationGalaxy Note 9Mi 9
Touchscreen
  • capacitive touchscreen
  • Super AMOLED capacitive touchs
Display colors
  • 16M
  • 16M
Screen area
  • 103.2 cm2
  • 100.2 cm2
Screen format
  • 18.5:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 83.4%
  • 85.2%
PPI /points per inch/
  • 516 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 5
  • Corning Gorilla Glass 6
Camera and Video

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

Camera and Video — specifications for Galaxy Note 9, Mi 9.
SpecificationGalaxy Note 9Mi 9
Rear camera, main
  • 12 MP
  • Dual
  • 48 MP
  • Triple
Camera specs
  • 12 MP
  • f/1.5-2.4
  • 26mm (wide)
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
  • OIS -12 MP
  • f/2.4
  • 52mm (telephoto)
  • 1/3.4''
  • 1.0µm
  • AF
  • OIS
  • 2x optical zoom
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • Laser/PDAF -16 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/3.0''
  • 1.0µm
  • Laser/PDAF -12 MP
  • 54mm (telephoto)
  • 1/3.6''
  • Laser/PDAF
  • 2x optical zoom
Functions
  • Dual video call
  • Auto-HDR
  • HDR
Video
  • 1440p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 8 MP
  • f/1.7
  • 25mm (wide)
  • 1/3.6''
  • 1.22µm
  • AF
  • 20 MP
  • f/2.0
  • 0.9μm
DxOMark Main Score *
  • 103
  • 110
DxOMark Photo *
  • 96
  • 115
DxOMark Video *
  • 86
  • 99
DxOMark Selfie Score *
  • 92
Unknown
Performance

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

Performance — specifications for Galaxy Note 9, Mi 9.
SpecificationGalaxy Note 9Mi 9
Processor CPU
  • Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) EMEA -Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) USA/LATAM
  • China
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Mali-G72 MP18 EMEA -Adreno 630 USA/LATAM
  • China
  • Adreno 640
Antutu 7 score *
  • 249456
  • 371108
GeekBench 4 Single Core *
  • 2358
  • 3235
GeekBench 4 Multi-Core *
  • 8531
  • 10405
GeekBench 4 RenderScript *
  • 9353
  • 7120
Antutu 8 score *
  • 320265
  • 445567
GeekBench 4 Battery *
  • 5154
  • 6086
GeekBench 5 Single Core *
  • 480
  • 678
GeekBench 5 Multi-Core *
  • 2002
  • 2575
General specs
General specs — specifications for Galaxy Note 9, Mi 9.
SpecificationGalaxy Note 9Mi 9
Release date
  • 2018
  • August
  • 2019
  • February
Colors
  • Metallic Copper
  • Lavender Purple
  • Ocean Blue
  • Midnight Black
  • Pure White
  • Alpine White
  • Lavender Violet
  • Ocean Blue
  • Piano Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 750 EUR
  • 450 EUR
Body build
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame
  • Back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy Note 9, Mi 9.
SpecificationGalaxy Note 9Mi 9
SIM card
  • Single SIM (Nano-SIM)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 (dual-SIM model only) CDMA 800 / 1900 - USA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO - USA -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100)
  • 71(600) - Global LTE band 1(2100)
  • 14(700)
  • 29(700)
  • 30(2300)
  • 46
  • 71(600) - USA
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -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)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/200 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Galaxy Note 9, Mi 9.
SpecificationGalaxy Note 9Mi 9
Radio
  • No
  • No
Others
  • HDR10 -Always-on display
  • 32-bit/384kHz audio -Active noise cancellation with dedicated mic
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy Note 9, Mi 9.
SpecificationGalaxy Note 9Mi 9
Dop
  • Sensors Iris scanner
  • fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • heart rate
  • SpO2 - Samsung DeX (desktop experience support) -Fast battery charging (Quick Charge 2.0) -Qi/PMA wireless charging (market dependent) -ANT+ -Bixby natural language commands and dictation - Samsung Pay (Visa
  • MasterCard certified) -IP68 dust/water proof (up to 1.5m for 30 mins) -Stylus (Bluetooth integration) - SM-N960F/DS (Global); SM-N960U (USA); SM-N9600/DS (LATAM
  • Brazil
  • China)
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (Quick Charge 4+) -Fast wireless charging 20W