Sony Ericsson WT18i 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

    WT18i: 39 g lighter

    WT18i:
    110 g
    Mi 4:
    149 g
  • Width

    WT18i: 12 mm narrower

    WT18i:
    56.5 mm
    Mi 4:
    68.5 mm
  • Screen diagonal

    WT18i: 1.8 in smaller diagonal

    WT18i:
    3.2 in
    Mi 4:
    5 in
  • Depth

    Mi 4: 5.4 mm thinner

    WT18i:
    14.3 mm
    Mi 4:
    8.9 mm
  • Height

    WT18i: 33.2 mm shorter

    WT18i:
    106 mm
    Mi 4:
    139.2 mm
  • Release year

    WT18i:
    2011
    Mi 4:
    2014

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. WT18i

    Height:
    106 mm
    Width:
    56.5 mm
    Depth:
    14.3 mm +5.4 mm versus Mi 4
  2. 2. Mi 4

    Height:
    139.2 mm +33.2 mm versus WT18i
    Width:
    68.5 mm +12 mm versus WT18i
    Depth:
    8.9 mm

Weight

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

  1. 1. WT18i

    110 g

  2. 2. Mi 4

    149 g

    +39 g versus WT18i

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. WT18i

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 cm²
  2. 2. Mi 4

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

Mi 4 has approximately 126% more rectangular screen area than WT18i.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

WT18i: Original memory entry

150 MB

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. WT18i

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. WT18i

    1200 mAh

  2. 2. Mi 4

    3080 mAh

    +1880 mAh versus WT18i

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. WT18i2. Mi 4

Everyday essentials
Everyday essentials — specifications for WT18i, Mi 4.
SpecificationWT18iMi 4
Dimensions (HxWxD)
  • 106 Х 56.5 Х 14.3 mm
  • 139.2 Х 68.5 Х 8.9 mm
Weight
  • 110 g
  • 149 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.2" inch
  • 5" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 150 MB
  • 16/64 GB
  • 2/3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Po
  • 3080 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android-based
  • OMS 2.5
  • Android 4.4.3 (KitKat)
  • upgradable to 6.0.1 (Marshmallow); MIUI 10
Chipset Unknown
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for WT18i, Mi 4.
SpecificationWT18iMi 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 30.5 cm2
  • 68.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 50.9%
  • 72.3%
PPI /points per inch/
  • 180 PPI
  • 441 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for WT18i, Mi 4.
SpecificationWT18iMi 4
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • AF
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • 480p@24fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/1.8
Performance

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

Performance — specifications for WT18i, Mi 4.
SpecificationWT18iMi 4
Processor CPU
  • 806 MHz
  • Marvell PXA 920
  • Quad-core 2.5 GHz Krait 400
Graphics processor GPU Unknown
  • 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 WT18i, Mi 4.
SpecificationWT18iMi 4
Release date
  • 2011
  • May
  • 2014
  • July
Colors
  • Black
  • White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
  • 230 EUR
Battery life
  • Stand by time- Up to 200 h (2G) / Up to 200 h (3G) Talking time- Up to 6 h (2G) / Up to 6 h (3G)
  • Stand by time- Up to 280 h (3G)
Body build Unknown
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for WT18i, Mi 4.
SpecificationWT18iMi 4
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • 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 2.8/2 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Up to 80 kbps
  • Yes
Edge
  • Up to 237 kbps
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.36 W/kg (head)
Music and Audio
Music and Audio — specifications for WT18i, Mi 4.
SpecificationWT18iMi 4
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for WT18i, Mi 4.
SpecificationWT18iMi 4
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Walkman player -MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -TrackID music recognition -Voice memo -Predictive text input - For China
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0)