Infinix Note 4 vs Xiaomi Mi 9 SE

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

    Note 4:
    LCD
    Mi 9 SE:
    OLED
  • Weight

    Mi 9 SE: 43 g lighter

    Note 4:
    198 g
    Mi 9 SE:
    155 g
  • Width

    Mi 9 SE: 8.3 mm narrower

    Note 4:
    78.8 mm
    Mi 9 SE:
    70.5 mm
  • Screen diagonal

    Note 4: 0.27 in smaller diagonal

    Note 4:
    5.7 in
    Mi 9 SE:
    5.97 in
  • Chipset

    Note 4:
    Mediatek MT6753 (28 nm)
    Mi 9 SE:
    Qualcomm SDM712 Snapdragon 712 (10 nm)
  • Rear camera layout

    Note 4:
    Single
    Mi 9 SE:
    Triple

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. Note 4

    Height:
    159 mm +11.5 mm versus Mi 9 SE
    Width:
    78.8 mm +8.3 mm versus Mi 9 SE
    Depth:
    8.4 mm +0.9 mm versus Mi 9 SE
  2. 2. Mi 9 SE

    Height:
    147.5 mm
    Width:
    70.5 mm
    Depth:
    7.5 mm

Weight

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

  1. 1. Note 4

    198 g

    +43 g versus Mi 9 SE

  2. 2. Mi 9 SE

    155 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. Note 4

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²
  2. 2. Mi 9 SE

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

Note 4 has approximately 2.4% more rectangular screen area than Mi 9 SE.

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 Note 4, Mi 9 SE, compared at the same storage capacity.
StorageNote 4Mi 9 SE
16 GB 2 GB RAM Not recorded
64 GB Not recorded 6 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. Note 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated slot)

2. Mi 9 SE

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. Note 4

    4300 mAh

    +1230 mAh versus Mi 9 SE

  2. 2. Mi 9 SE

    3070 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. Note 42. Mi 9 SE

Everyday essentials
Everyday essentials — specifications for Note 4, Mi 9 SE.
SpecificationNote 4Mi 9 SE
Dimensions (HxWxD)
  • 159 Х 78.8 Х 8.4 mm
  • 147.5 Х 70.5 Х 7.5 mm
Weight
  • 198 g
  • 155 g
Technology
  • LTPS IPS LCD
  • Super AMOLED
Screen size
  • 5.7" inch
  • 5.97" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4300 mAh
  • Non-removable Li-Po
  • 3070 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 9.0 (Pie)
Chipset
  • Mediatek MT6753 (28 nm)
  • Qualcomm SDM712 Snapdragon 712 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Note 4, Mi 9 SE.
SpecificationNote 4Mi 9 SE
Touchscreen
  • capacitive touchscreen
  • Super AMOLED capacitive touchs
Display colors
  • 16M
  • 16M
Screen area
  • 89.6 cm2
  • 87.5 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 71.5%
  • 84.1%
PPI /points per inch/
  • 386 PPI
  • 432 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Note 4, Mi 9 SE.
SpecificationNote 4Mi 9 SE
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 13 MP
  • AF
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • PDAF -13 MP
  • f/2.4
  • (ultrawide)
  • 1.12µm -8 MP
  • (telephoto)
  • 1.12µm
  • PDAF
Functions
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 8 MP
  • 1.4µm
  • 20 MP
  • f/2.0
  • 0.9μm
Performance

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

Performance — specifications for Note 4, Mi 9 SE.
SpecificationNote 4Mi 9 SE
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Octa-core 2.3 GHz
Graphics processor GPU
  • Mali-T720MP3
  • Adreno 616
Antutu 7 score *
  • 22385
  • 177362
GeekBench 4 Single Core * Unknown
  • 1870
GeekBench 4 Multi-Core * Unknown
  • 5825
Antutu 8 score * Unknown
  • 223441
GeekBench 5 Single Core * Unknown
  • 405
GeekBench 5 Multi-Core * Unknown
  • 1451
General specs
General specs — specifications for Note 4, Mi 9 SE.
SpecificationNote 4Mi 9 SE
Release date
  • 2018
  • 2019
  • February
Colors
  • Champagne Gold
  • Milan Black
  • Ice Blue
  • Violet
  • Blue
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 300 EUR
Body build
  • Front glass
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Note 4, Mi 9 SE.
SpecificationNote 4Mi 9 SE
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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 7(2600)
  • 28(700)
  • 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 band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Note 4, Mi 9 SE.
SpecificationNote 4Mi 9 SE
Radio
  • FM radio
  • No
Others Unknown
  • HDR
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Note 4, Mi 9 SE.
SpecificationNote 4Mi 9 SE
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Charging 9V/2A 18W
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W