Allview X4 Xtreme 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.

  • Display technology

    OLED versus LCD

    X4 Xtreme:
    LCD
    Mi 9T:
    OLED
  • Weight

    Mi 9T: 35.9 g lighter

    X4 Xtreme:
    226.9 g
    Mi 9T:
    191 g
  • Width

    Mi 9T: 9 mm narrower

    X4 Xtreme:
    83.3 mm
    Mi 9T:
    74.3 mm
  • Screen diagonal

    X4 Xtreme: 0.39 in smaller diagonal

    X4 Xtreme:
    6 in
    Mi 9T:
    6.39 in
  • Chipset

    X4 Xtreme:
    Mediatek MT6757T Helio P25 (16 nm)
    Mi 9T:
    Qualcomm SDM730 Snapdragon 730 (8 nm)
  • Height

    Mi 9T: 9.7 mm shorter

    X4 Xtreme:
    166.4 mm
    Mi 9T:
    156.7 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. X4 Xtreme

    Height:
    166.4 mm +9.7 mm versus Mi 9T
    Width:
    83.3 mm +9 mm versus Mi 9T
    Depth:
    9.1 mm
  2. 2. Mi 9T

    Height:
    156.7 mm
    Width:
    74.3 mm
    Depth:
    8.8 mm

Weight

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

  1. 1. X4 Xtreme

    226.9 g

    +35.9 g versus Mi 9T

  2. 2. Mi 9T

    191 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. X4 Xtreme

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    99.2 cm²
  2. 2. Mi 9T

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

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 X4 Xtreme, Mi 9T, compared at the same storage capacity.
StorageX4 XtremeMi 9T
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
X4 Xtreme: Original memory entry

up to 64 GB (dedicated slot) · 512GB 4GB

Practical features

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

1. X4 Xtreme

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. X4 Xtreme

    4550 mAh

    +550 mAh versus Mi 9T

  2. 2. Mi 9T

    4000 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. X4 Xtreme2. Mi 9T

Everyday essentials
Everyday essentials — specifications for X4 Xtreme, Mi 9T.
SpecificationX4 XtremeMi 9T
Dimensions (HxWxD)
  • 166.4 Х 83.3 Х 9.1 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 226.9 g
  • 191 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 6" inch
  • 6.39" 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.
  • up to 64 GB (dedicated slot)
  • 512GB 4GB
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4550 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Mediatek MT6757T Helio P25 (16 nm)
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X4 Xtreme, Mi 9T.
SpecificationX4 XtremeMi 9T
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 99.2 cm2
  • 100.2 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 146.1 Х 71.6 Х 9.9 mm
  • 86.1%
PPI /points per inch/
  • 367 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for X4 Xtreme, Mi 9T.
SpecificationX4 XtremeMi 9T
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 48 MP
  • Triple
Camera specs
  • 13 MP
  • PDAF -5 MP
  • (ultrawide/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
  • Dual-LED flash
  • HDR
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 20 MP
  • 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 X4 Xtreme, Mi 9T.
SpecificationX4 XtremeMi 9T
Processor CPU
  • Octa-core (4x2.5 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53)
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Mali-T880MP2
  • Adreno 618
Antutu 7 score *
  • 58758
  • 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 X4 Xtreme, Mi 9T.
SpecificationX4 XtremeMi 9T
Release date
  • 2017
  • June
  • 2019
  • June
Colors
  • Mocha Gold
  • Carbon black
  • Red flame
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 300 EUR
Battery life
  • Stand by time- Up to 379 h Talking time- Up to 25 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for X4 Xtreme, Mi 9T.
SpecificationX4 XtremeMi 9T
SIM card
  • Hybrid Dual SIM (Micro-SIM/Nano SIM)
  • 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 1(2100)
  • 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 21.1/5.76 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 a/b/g/n/ac
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
  • aptX HD
Harmful irradiation
  • SAR EU - 1.01 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for X4 Xtreme, Mi 9T.
SpecificationX4 XtremeMi 9T
Radio
  • FM radio
  • Yes
Others Unknown
  • HDR
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for X4 Xtreme, Mi 9T.
SpecificationX4 XtremeMi 9T
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For Europe
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - For Global market