Oppo Realme 6i vs Xiaomi Mi 4

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 4: 50 g lighter

    Realme 6i:
    199 g
    Mi 4:
    149 g
  • Width

    Mi 4: 6.9 mm narrower

    Realme 6i:
    75.4 mm
    Mi 4:
    68.5 mm
  • Screen diagonal

    Mi 4: 1.5 in smaller diagonal

    Realme 6i:
    6.5 in
    Mi 4:
    5 in
  • Chipset

    Realme 6i:
    Mediatek Helio G80 (12 nm)
    Mi 4:
    Qualcomm MSM8974AC Snapdragon 801 (28 nm)
  • Rear camera layout

    Realme 6i:
    Quad
    Mi 4:
    Single
  • Height

    Mi 4: 25.2 mm shorter

    Realme 6i:
    164.4 mm
    Mi 4:
    139.2 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. Realme 6i

    Height:
    164.4 mm +25.2 mm versus Mi 4
    Width:
    75.4 mm +6.9 mm versus Mi 4
    Depth:
    9 mm
  2. 2. Mi 4

    Height:
    139.2 mm
    Width:
    68.5 mm
    Depth:
    8.9 mm

Weight

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

  1. 1. Realme 6i

    199 g

    +50 g versus Mi 4

  2. 2. Mi 4

    149 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. Realme 6i

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

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

Realme 6i has approximately 48% more rectangular screen area than Mi 4.

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 Realme 6i, Mi 4, compared at the same storage capacity.
StorageRealme 6iMi 4
64 GB 3 GB RAM Unknown
128 GB 4 GB RAM Unknown
Mi 4: Original memory entry

16/64 GB · 2/3 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. Realme 6i

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. Mi 4

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. Realme 6i

    5000 mAh

    +1920 mAh versus Mi 4

  2. 2. Mi 4

    3080 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. Realme 6i2. Mi 4

Everyday essentials
Everyday essentials — specifications for Realme 6i, Mi 4.
SpecificationRealme 6iMi 4
Dimensions (HxWxD)
  • 164.4 Х 75.4 Х 9 mm
  • 139.2 Х 68.5 Х 8.9 mm
Weight
  • 199 g
  • 149 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.5" inch
  • 5" inch
Screen resolution
  • 720 x 1600 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 3GB RAM
  • 128GB 4GB RAM
  • 16/64 GB
  • 2/3 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 3080 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0; Realme UI
  • Android 4.4.3 (KitKat)
  • upgradable to 6.0.1 (Marshmallow); MIUI 10
Chipset
  • Mediatek Helio G80 (12 nm)
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Realme 6i, Mi 4.
SpecificationRealme 6iMi 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 68.9 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.3%
  • 72.3%
PPI /points per inch/
  • 270 PPI
  • 441 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Realme 6i, Mi 4.
SpecificationRealme 6iMi 4
Rear camera, main
  • 48 MP
  • Quad
  • 13 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2.25''
  • 0.8µm
  • PDAF -8 MP
  • f/2.3
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • AF
Functions
  • HDR
  • panorama
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • (wide)
  • 8 MP
  • f/1.8
Performance

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

Performance — specifications for Realme 6i, Mi 4.
SpecificationRealme 6iMi 4
Processor CPU
  • Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
  • Quad-core 2.5 GHz Krait 400
Graphics processor GPU
  • Mali-G52 MC2
  • Adreno 330
Antutu 7 score * Unknown
  • 61632
GeekBench 4 Single Core * Unknown
  • 891
GeekBench 4 Multi-Core * Unknown
  • 1967
GeekBench 4 RenderScript * Unknown
  • 1997
General specs
General specs — specifications for Realme 6i, Mi 4.
SpecificationRealme 6iMi 4
Release date
  • 2020
  • March 17
  • 2014
  • July
Colors
  • Cream White
  • Green Tea
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 230 EUR
Battery life Unknown
  • Stand by time- Up to 280 h (3G)
Body build
  • Glass front
  • plastic back
  • plastic frame
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for Realme 6i, Mi 4.
SpecificationRealme 6iMi 4
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • 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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions CDMA 800 / 1900 - Telecom 3G model -3G - TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model
  • Telecom 3G model CDMA2000 1xEV-DO - Telecom 3G model -4G - LTE band 38(2600)
  • 39(1900)
  • 40(2300) - 4G model
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 Mbps
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
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.36 W/kg (head)
Music and Audio
Music and Audio — specifications for Realme 6i, Mi 4.
SpecificationRealme 6iMi 4
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Realme 6i, Mi 4.
SpecificationRealme 6iMi 4
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 18W - Splash resistant
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0)