You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<

Sharp Aquos R2 vs Xiaomi Mi 9

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Aquos R2:
    LCD
    Mi 9:
    OLED
  • Weight

    Mi 9: 8 g lighter

    Aquos R2:
    181 g
    Mi 9:
    173 g
  • Screen diagonal

    Aquos R2: 0.39 in smaller diagonal

    Aquos R2:
    6 in
    Mi 9:
    6.39 in
  • Chipset

    Aquos R2:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
    Mi 9:
    Qualcomm SDM855 Snapdragon 855 (7 nm)
  • Rear camera layout

    Aquos R2:
    Dual
    Mi 9:
    Triple
  • Depth

    Mi 9: 1.4 mm thinner

    Aquos R2:
    9 mm
    Mi 9:
    7.6 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. Aquos R2

    Height:
    156 mm
    Width:
    74 mm
    Depth:
    9 mm +1.4 mm versus Mi 9
  2. 2. Mi 9

    Height:
    157.5 mm
    Width:
    74.7 mm
    Depth:
    7.6 mm

Weight

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

  1. 1. Aquos R2

    181 g

    +8 g versus Mi 9

  2. 2. Mi 9

    173 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 R2

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    89.9 cm²
  2. 2. Mi 9

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

Mi 9 has approximately 11.5% more rectangular screen area than Aquos R2.

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.

Aquos R2: Original memory entry

64 GB · 512GB 4GB

Mi 9: Original memory entry

64/128 GB · 6/8 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. Aquos R2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

2. Mi 9

NFC:
Yes
Headphone jack:
No
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 R2

    3130 mAh

  2. 2. Mi 9

    3300 mAh

    +170 mAh versus Aquos R2

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 R22. Mi 9

Everyday essentials
Everyday essentials — specifications for Aquos R2, Mi 9.
SpecificationAquos R2Mi 9
Dimensions (HxWxD)
  • 156 Х 74 Х 9 mm
  • 157.5 Х 74.7 Х 7.6 mm
Weight
  • 181 g
  • 173 g
Technology
  • IGZO IPS LCD
  • Super AMOLED
Screen size
  • 6" inch
  • 6.39" inch
Screen resolution
  • 1440 x 3040 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 64/128 GB
  • 6/8 GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3130 mAh
  • Non-removable Li-Ion
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.0 (Oreo)
  • Android 9.0 (Pie)
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Aquos R2, Mi 9.
SpecificationAquos R2Mi 9
Touchscreen
  • capacitive touchscreen
  • Super AMOLED capacitive touchs
Display colors
  • 16M
  • 16M
Screen area
  • 89.9 cm2
  • 100.2 cm2
Screen format
  • 19:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 77.8%
  • 85.2%
PPI /points per inch/
  • 561 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 6
Camera and Video

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

Camera and Video — specifications for Aquos R2, Mi 9.
SpecificationAquos R2Mi 9
Rear camera, main
  • 22.6 MP
  • Dual
  • 48 MP
  • Triple
Camera specs
  • 22.6 MP
  • PDAF -16.3 MP
  • PDAF (for video recording only)
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • Laser/PDAF -16 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/3.0''
  • 1.0µm
  • Laser/PDAF -12 MP
  • 54mm (telephoto)
  • 1/3.6''
  • Laser/PDAF
  • 2x optical zoom
Functions
  • LED flash
  • HDR
  • panorama
  • HDR
Video
  • 2160p@30fps (dedicated video camera)
  • 1080p@30fps
Front camera, selfie
  • 16.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 16.3 MP
  • 20 MP
  • f/2.0
  • 0.9μm
DxOMark Main Score * Unknown
  • 110
DxOMark Photo * Unknown
  • 115
DxOMark Video * Unknown
  • 99
Performance

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

Performance — specifications for Aquos R2, Mi 9.
SpecificationAquos R2Mi 9
Processor CPU
  • Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Adreno 630
  • Adreno 640
Antutu 7 score *
  • 265822
  • 371108
GeekBench 4 Single Core * Unknown
  • 3235
GeekBench 4 Multi-Core * Unknown
  • 10405
GeekBench 4 RenderScript * Unknown
  • 7120
Antutu 8 score * Unknown
  • 445567
GeekBench 4 Battery * Unknown
  • 6086
GeekBench 5 Single Core * Unknown
  • 678
GeekBench 5 Multi-Core * Unknown
  • 2575
General specs
General specs — specifications for Aquos R2, Mi 9.
SpecificationAquos R2Mi 9
Release date
  • 2018
  • May
  • 2019
  • February
Colors
  • Black
  • White
  • Lavender Violet
  • Ocean Blue
  • Piano Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 450 EUR
Body build Unknown
  • Back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Aquos R2, Mi 9.
SpecificationAquos R2Mi 9
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -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)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
Speed
  • HSPA
  • LTE
  • HSPA
  • LTE-A
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
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Aquos R2, Mi 9.
SpecificationAquos R2Mi 9
Radio
  • No
  • No
Others
  • Active noise cancellation with dedicated mic -Dolby Vision & Dolby Atmos
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Aquos R2, Mi 9.
SpecificationAquos R2Mi 9
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IPX5/IPX8/IP6X
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (Quick Charge 4+) -Fast wireless charging 20W