Mitac MIO 8390 vs Sharp Aquos R2 compact

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

    MIO 8390: 10 g lighter

    MIO 8390:
    125 g
    Aquos R2 compact:
    135 g
  • Width

    MIO 8390: 13 mm narrower

    MIO 8390:
    51 mm
    Aquos R2 compact:
    64 mm
  • Screen diagonal

    MIO 8390: 3 in smaller diagonal

    MIO 8390:
    2.2 in
    Aquos R2 compact:
    5.2 in
  • Depth

    Aquos R2 compact: 14.7 mm thinner

    MIO 8390:
    24 mm
    Aquos R2 compact:
    9.3 mm
  • Height

    MIO 8390: 32 mm shorter

    MIO 8390:
    99 mm
    Aquos R2 compact:
    131 mm
  • Release year

    MIO 8390:
    2003
    Aquos R2 compact:
    2018

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. MIO 8390

    Height:
    99 mm
    Width:
    51 mm
    Depth:
    24 mm +14.7 mm versus Aquos R2 compact
  2. 2. Aquos R2 compact

    Height:
    131 mm +32 mm versus MIO 8390
    Width:
    64 mm +13 mm versus MIO 8390
    Depth:
    9.3 mm

Weight

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

  1. 1. MIO 8390

    125 g

  2. 2. Aquos R2 compact

    135 g

    +10 g versus MIO 8390

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. MIO 8390

    MIO 8390: Screen geometry unavailable or conflicting.

  2. 2. Aquos R2 compact

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    67.5 cm²

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.

MIO 8390: Original memory entry

16 MB RAM · 32 MB ROM

Aquos R2 compact: Original memory entry

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. MIO 8390

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SD

2. Aquos R2 compact

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB

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. MIO 8390

    1050 mAh

  2. 2. Aquos R2 compact

    2500 mAh

    +1450 mAh versus MIO 8390

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. MIO 83902. Aquos R2 compact

Everyday essentials
Everyday essentials — specifications for MIO 8390, Aquos R2 compact.
SpecificationMIO 8390Aquos R2 compact
Dimensions (HxWxD)
  • 99 Х 51 Х 24 mm
  • 131 Х 64 Х 9.3 mm
Weight
  • 125 g
  • 135 g
Technology
  • TFT
  • IGZO IPS LCD
Screen size
  • 2.2" inch
  • 5.2" inch
Screen resolution
  • 176 x 220 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 MB RAM
  • 32 MB ROM
  • 64 GB
  • 512GB 4GB
Memory card support
  • MMC/SD
  • microSD
  • up to 512 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Po
  • 2500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Smartphone 2003
  • Android 9.0 (Pie)
Chipset Unknown
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for MIO 8390, Aquos R2 compact.
SpecificationMIO 8390Aquos R2 compact
Touchscreen Unknown
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 15.2 cm2
  • 67.5 cm2
Screen format Unknown
  • 19:9 (height:width)
Screen to body ratio
  • 30.2%
  • 80.5%
PPI /points per inch/
  • 0 PPI
  • 485 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for MIO 8390, Aquos R2 compact.
SpecificationMIO 8390Aquos R2 compact
Rear camera, main
  • 0.3 MP
  • Single
  • 22.6 MP
  • Single
Camera specs Unknown
  • 22.6 MP
  • f/1.9
  • 22 mm
  • PDAF
  • OIS
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • No
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.2
  • 23 mm
Performance
Performance — specifications for MIO 8390, Aquos R2 compact.
SpecificationMIO 8390Aquos R2 compact
Processor CPU
  • Intel PXA262 200 MHz
  • Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU Unknown
  • Adreno 630
General specs
General specs — specifications for MIO 8390, Aquos R2 compact.
SpecificationMIO 8390Aquos R2 compact
Release date
  • 2003
  • Q3
  • 2018
  • November
Colors
  • Dazzling silver
  • opulent red
  • Smokey Green
  • Deep White
  • Pure Black
Battery life
  • Stand by time- Up to 100 h Talking time- Up to 3 h
Unknown
Body build Unknown
  • Front glass
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for MIO 8390, Aquos R2 compact.
SpecificationMIO 8390Aquos R2 compact
SIM card
  • Mini-SIM
  • Nano-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 2100 -4G - LTE
Speed Unknown
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
USB Unknown
  • 2.0
  • Type-C 1.0 reversible connector (PowerDelivery 2.0)
Bluetooth
  • No
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for MIO 8390, Aquos R2 compact.
SpecificationMIO 8390Aquos R2 compact
Radio
  • No
  • No
Others
  • Second LCD display (48 x 64 pixels)
  • 120 Hz -HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic -Dolby Vision & Dolby Atmos -24-bit/192kHz audio
Other features
Other features — specifications for MIO 8390, Aquos R2 compact.
SpecificationMIO 8390Aquos R2 compact
Dop
  • Infrared port - MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Predictive text input -Sync ML -MP4 encoder/decoder -Voice memo
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins)