Xiaomi Mi Note 3 vs Xiaomi Redmi Note 8

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

    Mi Note 3: 27 g lighter

    Mi Note 3:
    163 g
    Redmi Note 8:
    190 g
  • Width

    Mi Note 3: 1.3 mm narrower

    Mi Note 3:
    74 mm
    Redmi Note 8:
    75.3 mm
  • Screen diagonal

    Mi Note 3: 0.8 in smaller diagonal

    Mi Note 3:
    5.5 in
    Redmi Note 8:
    6.3 in
  • Chipset

    Mi Note 3:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Redmi Note 8:
    Qualcomm SDM665 Snapdragon 665 (11 nm)
  • Rear camera layout

    Mi Note 3:
    Dual
    Redmi Note 8:
    Quad
  • Depth

    Mi Note 3: 0.8 mm thinner

    Mi Note 3:
    7.6 mm
    Redmi Note 8:
    8.4 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. Mi Note 3

    Height:
    152.6 mm
    Width:
    74 mm
    Depth:
    7.6 mm
  2. 2. Redmi Note 8

    Height:
    158.3 mm +5.7 mm versus Mi Note 3
    Width:
    75.3 mm +1.3 mm versus Mi Note 3
    Depth:
    8.4 mm +0.8 mm versus Mi Note 3

Weight

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

  1. 1. Mi Note 3

    163 g

  2. 2. Redmi Note 8

    190 g

    +27 g versus Mi Note 3

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. Mi Note 3

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Redmi Note 8

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

Redmi Note 8 has approximately 16.8% 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 Mi Note 3, Redmi Note 8, compared at the same storage capacity.
StorageMi Note 3Redmi Note 8
32 GB Not recorded 3 GB RAM
64 GB Recorded for all phones 6 GB RAM 4 / 6 GB RAM Alternative RAM configurations
128 GB Recorded for all phones 6 GB RAM 4 / 6 GB RAM Alternative RAM configurations

Practical features

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

1. Mi Note 3

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

2. Redmi Note 8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (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. Mi Note 3

    3500 mAh

  2. 2. Redmi Note 8

    4000 mAh

    +500 mAh versus Mi Note 3

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. Mi Note 32. Redmi Note 8

Everyday essentials
Everyday essentials — specifications for Mi Note 3, Redmi Note 8.
SpecificationMi Note 3Redmi Note 8
Dimensions (HxWxD)
  • 152.6 Х 74 Х 7.6 mm
  • 158.3 Х 75.3 Х 8.4 mm
Weight
  • 163 g
  • 190 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.3" 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.
  • 64/128 GB
  • 6 GB RAM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
  • 64GB 6GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.1 (Nougat); MIUI 10
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for Mi Note 3, Redmi Note 8.
SpecificationMi Note 3Redmi Note 8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 97.4 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 73.8%
  • 81.7%
PPI /points per inch/
  • 401 PPI
  • 409 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass 5
Camera and Video

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

Camera and Video — specifications for Mi Note 3, Redmi Note 8.
SpecificationMi Note 3Redmi Note 8
Rear camera, main
  • 12 MP
  • Dual
  • 48 MP
  • Quad
Camera specs
  • 12 MP
  • f/1.8
  • 27mm (wide)
  • 4-axis OIS
  • PDAF -12 MP
  • f/2.6
  • 52mm (telephoto)
  • AF
  • 2x optical zoom
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4"
  • 1.12µm -2 MP
  • f/2.4
  • 1/5"
  • 1.75µm (dedicated macro camera) -2 MP
  • 1.75µm
  • depth sensor
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 16 MP
  • 1.0µm
  • 13 MP
  • f/2.0
  • 1.12µm
DxOMark Main Score *
  • 90
Unknown
DxOMark Photo *
  • 94
Unknown
DxOMark Video *
  • 82
Unknown
Performance

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

Performance — specifications for Mi Note 3, Redmi Note 8.
SpecificationMi Note 3Redmi Note 8
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Graphics processor GPU
  • Adreno 512
  • Adreno 610
Antutu 7 score *
  • 139785
  • 143740
GeekBench 4 Single Core *
  • 1588
  • 1499
GeekBench 4 Multi-Core *
  • 5629
  • 5543
GeekBench 4 RenderScript *
  • 5365
Unknown
Antutu 8 score * Unknown
  • 173592
GeekBench 5 Single Core *
  • 331
  • 309
GeekBench 5 Multi-Core *
  • 1388
  • 1328
General specs
General specs — specifications for Mi Note 3, Redmi Note 8.
SpecificationMi Note 3Redmi Note 8
Release date
  • 2017
  • September
  • 2019
  • August
Colors
  • Black
  • Blue (128/6 only)
  • Neptune Blue
  • Moonlight White
  • Space Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 190 EUR
Body build
  • Front/back glass & aluminum frame
  • Front/back glass (Gorilla Glass 5)
Communication and Connectivity
Communication and Connectivity — specifications for Mi Note 3, Redmi Note 8.
SpecificationMi Note 3Redmi Note 8
SIM card
  • 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 / 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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/11.5 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
  • BDS
USB
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.26 W/kg (head) 1.00 W/kg (body) SAR EU - 0.26 W/kg (head) 1.00 W/kg (body)
Music and Audio
Music and Audio — specifications for Mi Note 3, Redmi Note 8.
SpecificationMi Note 3Redmi Note 8
Radio
  • No
  • FM radio
Others
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Mi Note 3, Redmi Note 8.
SpecificationMi Note 3Redmi Note 8
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 3.0)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W