OnePlus 7T vs Xiaomi Mi 4i

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

    7T:
    OLED
    Mi 4i:
    LCD
  • Weight

    Mi 4i: 60 g lighter

    7T:
    190 g
    Mi 4i:
    130 g
  • Width

    Mi 4i: 4.8 mm narrower

    7T:
    74.4 mm
    Mi 4i:
    69.6 mm
  • Screen diagonal

    Mi 4i: 1.55 in smaller diagonal

    7T:
    6.55 in
    Mi 4i:
    5 in
  • Chipset

    7T:
    Qualcomm SDM855 Snapdragon 855+ (7 nm)
    Mi 4i:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Rear camera layout

    7T:
    Triple
    Mi 4i:
    Single

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. 7T

    Height:
    160.9 mm +22.8 mm versus Mi 4i
    Width:
    74.4 mm +4.8 mm versus Mi 4i
    Depth:
    8.1 mm
  2. 2. Mi 4i

    Height:
    138.1 mm
    Width:
    69.6 mm
    Depth:
    7.8 mm

Weight

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

  1. 1. 7T

    190 g

    +60 g versus Mi 4i

  2. 2. Mi 4i

    130 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. 7T

    Screen diagonal:
    6.55 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    103.6 cm²
  2. 2. Mi 4i

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

7T has approximately 50.3% more rectangular screen area than Mi 4i.

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 7T, Mi 4i, compared at the same storage capacity.
Storage7TMi 4i
16 GB Unknown 2 GB RAM
32 GB Unknown 2 GB RAM
7T: Original memory entry

128GB 8GB RAM · 256GB 8GB RAM · UFS3.0

Practical features

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

1. 7T

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

2. Mi 4i

NFC:
Unknown
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. 7T

    3800 mAh

    +680 mAh versus Mi 4i

  2. 2. Mi 4i

    3120 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. 7T2. Mi 4i

Everyday essentials
Everyday essentials — specifications for 7T, Mi 4i.
Specification7TMi 4i
Dimensions (HxWxD)
  • 160.9 Х 74.4 Х 8.1 mm
  • 138.1 Х 69.6 Х 7.8 mm
Weight
  • 190 g
  • 130 g
Technology
  • Fluid AMOLED
  • IPS LCD
Screen size
  • 6.55" inch
  • 5" inch
Screen resolution
  • 1080 x 2400 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • UFS3.0
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3800 mAh
  • Non-removable Li-Po
  • 3120 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0
  • Android 5.0.2 (Lollipop); MIUI 8.2
Chipset
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for 7T, Mi 4i.
Specification7TMi 4i
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 103.6 cm2
  • 68.9 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 86.5%
  • 71.7%
PPI /points per inch/
  • 402 PPI
  • 441 PPI
Screen protection
  • Corning Gorilla Glass
  • Corning scratch-resistant glass
Camera and Video
Camera and Video — specifications for 7T, Mi 4i.
Specification7TMi 4i
Rear camera, main
  • 48 MP
  • Triple
  • 13 MP
  • Single
Camera specs
  • 48 MP
  • f/1.6
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF
  • OIS -12 MP
  • f/2.2
  • 51mm (telephoto)
  • 1.0µm
  • 2x optical zoom -16 MP
  • 17mm (ultrawide)
  • AF
  • 13 MP
  • AF
  • f/2.0
Functions
  • Auto-HDR
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • gyro-EIS
  • 1080p@30fps
  • 480p@120fps
Front camera, selfie
  • 16 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 25mm (wide)
  • 1/3.1''
  • 1.0µm
  • 5 MP
  • f/1.8
Performance

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

Performance — specifications for 7T, Mi 4i.
Specification7TMi 4i
Processor CPU
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 640 (700 MHz)
  • Adreno 405
Antutu 7 score *
  • 401214
  • 40156
GeekBench 4 Single Core * Unknown
  • 617
GeekBench 4 Multi-Core * Unknown
  • 1374
GeekBench 4 RenderScript * Unknown
  • 1404
Antutu 8 score *
  • 494705
Unknown
GeekBench 5 Single Core *
  • 761
Unknown
GeekBench 5 Multi-Core *
  • 2697
Unknown
General specs
General specs — specifications for 7T, Mi 4i.
Specification7TMi 4i
Release date
  • 2019
  • September 26
  • 2015
  • April
Colors
  • Frosted Silver
  • Glacier blue
  • Dark Gray
  • Black
  • White
  • Yellow
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 600 EUR
  • 260 EUR
Battery life Unknown
  • Talking time- Up to 35 h (3G)
Body build
  • Front glass (Gorilla Glass)
  • back glass (Gorilla Glass)
  • aluminum frame
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for 7T, Mi 4i.
Specification7TMi 4i
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 29(700)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100) - EU LTE band 1(2100)
  • 30(2300)
  • 46
  • 48
  • 66(1700/2100)
  • 71(600) - NA LTE band 1(2100)
  • 41(2500) - CN
  • IN
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1900 / 2100 TD-SCDMA -4G - LTE band 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
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
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • SBAS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 4.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.29 W/kg (head)
Music and Audio
Music and Audio — specifications for 7T, Mi 4i.
Specification7TMi 4i
Radio
  • No
  • Stereo FM radio
Others
  • DCI-P3 100% -HDR10+ -90Hz
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for 7T, Mi 4i.
Specification7TMi 4i
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 30W (Warp Charge 30T)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 40% in 60 min (Quick Charge)