Sharp Aquos S2 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.

  • Weight

    Mi 4i: 10 g lighter

    Aquos S2:
    140 g
    Mi 4i:
    130 g
  • Width

    Mi 4i: 2.4 mm narrower

    Aquos S2:
    72 mm
    Mi 4i:
    69.6 mm
  • Screen diagonal

    Mi 4i: 0.5 in smaller diagonal

    Aquos S2:
    5.5 in
    Mi 4i:
    5 in
  • Rear camera layout

    Aquos S2:
    Dual
    Mi 4i:
    Single
  • Height

    Mi 4i: 3.7 mm shorter

    Aquos S2:
    141.8 mm
    Mi 4i:
    138.1 mm
  • Release year

    Aquos S2:
    2017
    Mi 4i:
    2015

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. Aquos S2

    Height:
    141.8 mm +3.7 mm versus Mi 4i
    Width:
    72 mm +2.4 mm versus Mi 4i
    Depth:
    7.9 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. Aquos S2

    140 g

    +10 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. Aquos S2

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    17:9
    Approximate rectangular screen area:
    80.7 cm²
  2. 2. Mi 4i

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

Aquos S2 has approximately 17.1% 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 Aquos S2, Mi 4i, compared at the same storage capacity.
StorageAquos S2Mi 4i
16 GB Unknown 2 GB RAM
32 GB Unknown 2 GB RAM
Aquos S2: Original memory entry

128 GB · 6 GB RAM 64 GB · 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. Aquos S2

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

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. Aquos S2

    3020 mAh

  2. 2. Mi 4i

    3120 mAh

    +100 mAh versus Aquos S2

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. Aquos S22. Mi 4i

Everyday essentials
Everyday essentials — specifications for Aquos S2, Mi 4i.
SpecificationAquos S2Mi 4i
Dimensions (HxWxD)
  • 141.8 Х 72 Х 7.9 mm
  • 138.1 Х 69.6 Х 7.8 mm
Weight
  • 140 g
  • 130 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5" inch
Screen resolution
  • 1080 x 2040 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
  • 16/32 GB
  • 2 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.
  • 3020 mAh
  • Non-removable Li-Po
  • 3120 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.1.1 (Nougat)
  • Android 5.0.2 (Lollipop); MIUI 8.2
Chipset
  • Qualcomm SDM630 Snapdragon 630 (14 nm) 64/4GB -Qualcomm SDM660 Snapdragon 660 (14 nm) 128/6GB
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for Aquos S2, Mi 4i.
SpecificationAquos S2Mi 4i
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 80.7 cm2
  • 68.9 cm2
Screen format
  • 17:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 79.0%
  • 71.7%
PPI /points per inch/
  • 420 PPI
  • 441 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
  • Corning scratch-resistant glass
Camera and Video
Camera and Video — specifications for Aquos S2, Mi 4i.
SpecificationAquos S2Mi 4i
Rear camera, main
  • 12 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1/3.2''
  • 1.4µm
  • dual pixel PDAF -8 MP
  • 13 MP
  • AF
  • f/2.0
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
  • 480p@120fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1/3.2''
  • 1.4µm
  • 5 MP
  • f/1.8
Performance

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

Performance — specifications for Aquos S2, Mi 4i.
SpecificationAquos S2Mi 4i
Processor CPU
  • Octa-core (4x2.2 GHz Cortex-A53 & 4x1.8 GHz Cortex A53) 64/4GB -Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) 128/6GB
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 508 64/4GB -Adreno 512 128/6GB
  • Adreno 405
Antutu 7 score *
  • 88256
  • 40156
GeekBench 4 Single Core *
  • 859
  • 617
GeekBench 4 Multi-Core *
  • 4079
  • 1374
GeekBench 4 RenderScript *
  • 3688
  • 1404
GeekBench 5 Single Core *
  • 173
Unknown
GeekBench 5 Multi-Core *
  • 994
Unknown
General specs
General specs — specifications for Aquos S2, Mi 4i.
SpecificationAquos S2Mi 4i
Release date
  • 2017
  • August
  • 2015
  • April
Colors
  • White
  • Black
  • Blue
  • Green
  • Dark Gray
  • Black
  • White
  • Yellow
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 450 EUR
  • 260 EUR
Battery life Unknown
  • Talking time- Up to 35 h (3G)
Body build
  • Front/back glass
  • aluminum frame
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Aquos S2, Mi 4i.
SpecificationAquos S2Mi 4i
SIM card
  • Hybrid 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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 28(700)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 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 (2CA) Cat6 300/50 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
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.29 W/kg (head)
Music and Audio
Music and Audio — specifications for Aquos S2, Mi 4i.
SpecificationAquos S2Mi 4i
Radio
  • No
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Aquos S2, Mi 4i.
SpecificationAquos S2Mi 4i
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 40% in 60 min (Quick Charge)