Samsung Galaxy Note 9 vs Xiaomi Mi Note 3

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.

  • Display technology

    OLED versus LCD

    Galaxy Note 9:
    OLED
    Mi Note 3:
    LCD
  • Weight

    Mi Note 3: 38 g lighter

    Galaxy Note 9:
    201 g
    Mi Note 3:
    163 g
  • Width

    Mi Note 3: 2.4 mm narrower

    Galaxy Note 9:
    76.4 mm
    Mi Note 3:
    74 mm
  • Screen diagonal

    Mi Note 3: 0.9 in smaller diagonal

    Galaxy Note 9:
    6.4 in
    Mi Note 3:
    5.5 in
  • Depth

    Mi Note 3: 1.2 mm thinner

    Galaxy Note 9:
    8.8 mm
    Mi Note 3:
    7.6 mm
  • Height

    Mi Note 3: 9.3 mm shorter

    Galaxy Note 9:
    161.9 mm
    Mi Note 3:
    152.6 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. Galaxy Note 9

    Height:
    161.9 mm +9.3 mm versus Mi Note 3
    Width:
    76.4 mm +2.4 mm versus Mi Note 3
    Depth:
    8.8 mm +1.2 mm versus Mi Note 3
  2. 2. Mi Note 3

    Height:
    152.6 mm
    Width:
    74 mm
    Depth:
    7.6 mm

Weight

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

  1. 1. Galaxy Note 9

    201 g

    +38 g versus Mi Note 3

  2. 2. Mi Note 3

    163 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 Note 3

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²

Galaxy Note 9 has approximately 24.7% more rectangular screen area than Mi Note 3.

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 Galaxy Note 9, Mi Note 3, compared at the same storage capacity.
StorageGalaxy Note 9Mi Note 3
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
Galaxy Note 9: Original memory entry

512 GB · 8 GB RAM 128 GB · 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. 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 Note 3

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

    +500 mAh versus Mi Note 3

  2. 2. Mi Note 3

    3500 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 Note 3

Everyday essentials
Everyday essentials — specifications for Galaxy Note 9, Mi Note 3.
SpecificationGalaxy Note 9Mi Note 3
Dimensions (HxWxD)
  • 161.9 Х 76.4 Х 8.8 mm
  • 152.6 Х 74 Х 7.6 mm
Weight
  • 201 g
  • 163 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.4" inch
  • 5.5" inch
Screen resolution
  • 1440 x 2960 px
  • 1080 x 1920 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 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
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); One UI
  • Android 7.1 (Nougat); MIUI 10
Chipset
  • Exynos 9810 Octa (10 nm) EMEA -Qualcomm SDM845 Snapdragon 845 (10 nm) USA/LATAM
  • China
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Galaxy Note 9, Mi Note 3.
SpecificationGalaxy Note 9Mi Note 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 103.2 cm2
  • 83.4 cm2
Screen format
  • 18.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 83.4%
  • 73.8%
PPI /points per inch/
  • 516 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 5
  • Corning Gorilla Glass 4
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 Note 3.
SpecificationGalaxy Note 9Mi Note 3
Rear camera, main
  • 12 MP
  • Dual
  • 12 MP
  • Dual
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
  • 12 MP
  • f/1.8
  • 27mm (wide)
  • 4-axis OIS
  • PDAF -12 MP
  • f/2.6
  • 52mm (telephoto)
  • AF
  • 2x optical zoom
Functions
  • Dual video call
  • Auto-HDR
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1440p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 8 MP
  • f/1.7
  • 25mm (wide)
  • 1/3.6''
  • 1.22µm
  • AF
  • 16 MP
  • 1.0µm
DxOMark Main Score *
  • 103
  • 90
DxOMark Photo *
  • 96
  • 94
DxOMark Video *
  • 86
  • 82
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 Note 3.
SpecificationGalaxy Note 9Mi Note 3
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 (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Mali-G72 MP18 EMEA -Adreno 630 USA/LATAM
  • China
  • Adreno 512
Antutu 7 score *
  • 249456
  • 139785
GeekBench 4 Single Core *
  • 2358
  • 1588
GeekBench 4 Multi-Core *
  • 8531
  • 5629
GeekBench 4 RenderScript *
  • 9353
  • 5365
Antutu 8 score *
  • 320265
Unknown
GeekBench 4 Battery *
  • 5154
Unknown
GeekBench 5 Single Core *
  • 480
  • 331
GeekBench 5 Multi-Core *
  • 2002
  • 1388
General specs
General specs — specifications for Galaxy Note 9, Mi Note 3.
SpecificationGalaxy Note 9Mi Note 3
Release date
  • 2018
  • August
  • 2017
  • September
Colors
  • Metallic Copper
  • Lavender Purple
  • Ocean Blue
  • Midnight Black
  • Pure White
  • Alpine White
  • Black
  • Blue (128/6 only)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 750 EUR
  • 280 EUR
Body build
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy Note 9, Mi Note 3.
SpecificationGalaxy Note 9Mi Note 3
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 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/200 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
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
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Galaxy Note 9, Mi Note 3.
SpecificationGalaxy Note 9Mi Note 3
Radio
  • No
  • No
Others
  • HDR10 -Always-on display
  • 32-bit/384kHz audio -Active noise cancellation with dedicated mic
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy Note 9, Mi Note 3.
SpecificationGalaxy Note 9Mi Note 3
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 (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 3.0)