Samsung Galaxy J8 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

    Galaxy J8: 14 g lighter

    Galaxy J8:
    177 g
    Mi 9T:
    191 g
  • Width

    Mi 9T: 1.4 mm narrower

    Galaxy J8:
    75.7 mm
    Mi 9T:
    74.3 mm
  • Screen diagonal

    Galaxy J8: 0.39 in smaller diagonal

    Galaxy J8:
    6 in
    Mi 9T:
    6.39 in
  • Chipset

    Galaxy J8:
    Qualcomm SDM450 Snapdragon 450 (14 nm)
    Mi 9T:
    Qualcomm SDM730 Snapdragon 730 (8 nm)
  • Rear camera layout

    Galaxy J8:
    Dual
    Mi 9T:
    Triple
  • Depth

    Galaxy J8: 0.6 mm thinner

    Galaxy J8:
    8.2 mm
    Mi 9T:
    8.8 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 J8

    Height:
    159.2 mm +2.5 mm versus Mi 9T
    Width:
    75.7 mm +1.4 mm versus Mi 9T
    Depth:
    8.2 mm
  2. 2. Mi 9T

    Height:
    156.7 mm
    Width:
    74.3 mm
    Depth:
    8.8 mm +0.6 mm versus Galaxy J8

Weight

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

  1. 1. Galaxy J8

    177 g

  2. 2. Mi 9T

    191 g

    +14 g versus Galaxy J8

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 J8

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    91.4 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 9.7% more rectangular screen area than Galaxy J8.

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 J8, Mi 9T, compared at the same storage capacity.
StorageGalaxy J8Mi 9T
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
Galaxy J8: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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 J8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

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. Galaxy J8

    3500 mAh

  2. 2. Mi 9T

    4000 mAh

    +500 mAh versus Galaxy J8

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 J82. Mi 9T

Everyday essentials
Everyday essentials — specifications for Galaxy J8, Mi 9T.
SpecificationGalaxy J8Mi 9T
Dimensions (HxWxD)
  • 159.2 Х 75.7 Х 8.2 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 177 g
  • 191 g
Technology
  • Super AMOLED
  • AMOLED
Screen size
  • 6" inch
  • 6.39" inch
Screen resolution
  • 720 x 1480 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
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 8.0 (Oreo)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm SDM450 Snapdragon 450 (14 nm)
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy J8, Mi 9T.
SpecificationGalaxy J8Mi 9T
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 91.4 cm2
  • 100.2 cm2
Screen format
  • 18.5:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 75.8%
  • 86.1%
PPI /points per inch/
  • 274 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Galaxy J8, Mi 9T.
SpecificationGalaxy J8Mi 9T
Rear camera, main
  • 16 MP
  • Dual
  • 48 MP
  • Triple
Camera specs
  • 16 MP
  • f/1.7
  • AF -5 MP
  • f/1.9
  • depth sensor
  • 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
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 16 MP
  • f/1.9
  • Motorized pop-up 20 MP
  • f/2.2
  • 0.8µm
Performance

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

Performance — specifications for Galaxy J8, Mi 9T.
SpecificationGalaxy J8Mi 9T
Processor CPU
  • Octa-core 1.6 GHz Cortex-A53
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 506
  • Adreno 618
Antutu 7 score *
  • 57202
  • 218548
GeekBench 4 Single Core * Unknown
  • 2540
GeekBench 4 Multi-Core * Unknown
  • 6911
Antutu 8 score * Unknown
  • 264797
GeekBench 5 Single Core * Unknown
  • 529
GeekBench 5 Multi-Core * Unknown
  • 1658
General specs
General specs — specifications for Galaxy J8, Mi 9T.
SpecificationGalaxy J8Mi 9T
Release date
  • 2018
  • May
  • 2019
  • June
Colors
  • Black
  • Gold
  • Blue
  • Purple
  • Carbon black
  • Red flame
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 300 EUR
Battery life
  • Talking time- Up to 23 h (3G) Music play - Up to 112 h
Unknown
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy J8, Mi 9T.
SpecificationGalaxy J8Mi 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 -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)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100) - J810Y/DS
  • 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 (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 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
  • 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
Harmful irradiation
  • SAR EU - 0.57 W/kg (head) 1.18 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy J8, Mi 9T.
SpecificationGalaxy J8Mi 9T
Radio
  • FM radio
  • recording
  • Yes
Others Unknown
  • HDR
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy J8, Mi 9T.
SpecificationGalaxy J8Mi 9T
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - Versions: J810F/DS (Global DS); J810G/DS (India); J810Y/DS (Asia) Also known as Samsung Galaxy On8 in India
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - For Global market