Xiaomi Mi 8 vs Xiaomi Mi 9T

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 8: 16 g lighter

    Mi 8:
    175 g
    Mi 9T:
    191 g
  • Chipset

    Mi 8:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
    Mi 9T:
    Qualcomm SDM730 Snapdragon 730 (8 nm)
  • Rear camera layout

    Mi 8:
    Dual
    Mi 9T:
    Triple
  • Depth

    Mi 8: 1.2 mm thinner

    Mi 8:
    7.6 mm
    Mi 9T:
    8.8 mm
  • Release year

    Mi 8:
    2018
    Mi 9T:
    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. Mi 8

    Height:
    154.9 mm
    Width:
    74.8 mm
    Depth:
    7.6 mm
  2. 2. Mi 9T

    Height:
    156.7 mm
    Width:
    74.3 mm
    Depth:
    8.8 mm +1.2 mm versus Mi 8

Weight

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

  1. 1. Mi 8

    175 g

  2. 2. Mi 9T

    191 g

    +16 g versus Mi 8

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 8

    Screen diagonal:
    6.21 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.3 cm²
  2. 2. Mi 9T

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

Mi 9T has approximately 4.1% more rectangular screen area than Mi 8.

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 8, Mi 9T, compared at the same storage capacity.
StorageMi 8Mi 9T
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
Mi 8: Original memory entry

64/128/256 GB · 6 GB RAM 128 GB · 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. Mi 8

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

2. Mi 9T

NFC:
Yes
Headphone jack:
Yes
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. Mi 8

    3400 mAh

  2. 2. Mi 9T

    4000 mAh

    +600 mAh versus Mi 8

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 82. Mi 9T

Everyday essentials
Everyday essentials — specifications for Mi 8, Mi 9T.
SpecificationMi 8Mi 9T
Dimensions (HxWxD)
  • 154.9 Х 74.8 Х 7.6 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 175 g
  • 191 g
Technology
  • Super AMOLED
  • AMOLED
Screen size
  • 6.21" inch
  • 6.39" inch
Screen resolution
  • 1080 x 2248 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128/256 GB
  • 6 GB RAM 128 GB
  • 8 GB RAM
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3400 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10.1
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for Mi 8, Mi 9T.
SpecificationMi 8Mi 9T
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.1 cm2
  • 100.2 cm2
Screen format
  • 19:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 83.8%
  • 86.1%
PPI /points per inch/
  • 402 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 5
  • 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 8, Mi 9T.
SpecificationMi 8Mi 9T
Rear camera, main
  • 12 MP
  • Dual
  • 48 MP
  • Triple
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF -12 MP
  • f/2.4
  • 56mm (telephoto)
  • 1/3.4''
  • 1.0µm
  • AF
  • 2x optical zoom
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • f/2.4
  • 53mm (telephoto)
  • 1/4''
  • 1.12µm
  • PDAF
  • 2x optical zoom -13 MP
  • 12mm (ultrawide)
  • 1/3''
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 20 MP
  • f/2.0
  • 0.9μm
  • Motorized pop-up 20 MP
  • f/2.2
  • 0.8µm
DxOMark Main Score *
  • 99
Unknown
DxOMark Photo *
  • 105
Unknown
DxOMark Video *
  • 88
Unknown
Performance

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

Performance — specifications for Mi 8, Mi 9T.
SpecificationMi 8Mi 9T
Processor CPU
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 630
  • Adreno 618
Antutu 7 score *
  • 297023
  • 218548
GeekBench 4 Single Core *
  • 2280
  • 2540
GeekBench 4 Multi-Core *
  • 8242
  • 6911
GeekBench 4 RenderScript *
  • 13089
Unknown
Antutu 8 score *
  • 353884
  • 264797
GeekBench 4 Battery *
  • 3965
Unknown
GeekBench 5 Single Core *
  • 447
  • 529
GeekBench 5 Multi-Core *
  • 1898
  • 1658
General specs
General specs — specifications for Mi 8, Mi 9T.
SpecificationMi 8Mi 9T
Release date
  • 2018
  • May
  • 2019
  • June
Colors
  • Black
  • Blue
  • White
  • Gold
  • Carbon black
  • Red flame
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 380 EUR
  • 300 EUR
Body build
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Mi 8, Mi 9T.
SpecificationMi 8Mi 9T
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 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 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 / 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 (4CA) Cat16 1024/150 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
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • 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
  • aptX HD
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Mi 8, Mi 9T.
SpecificationMi 8Mi 9T
Radio
  • No
  • Yes
Others
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
  • HDR
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Mi 8, Mi 9T.
SpecificationMi 8Mi 9T
Dop
  • Sensors Infrared face recognition
  • fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 4.0+)
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - For Global market