Sharp Aquos R2 compact vs Sony Ericsson A8i

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.

  • Width

    A8i: 5 mm narrower

    Aquos R2 compact:
    64 mm
    A8i:
    59 mm
  • Screen diagonal

    A8i: 1.7 in smaller diagonal

    Aquos R2 compact:
    5.2 in
    A8i:
    3.5 in
  • Depth

    Aquos R2 compact: 4.7 mm thinner

    Aquos R2 compact:
    9.3 mm
    A8i:
    14 mm
  • Height

    A8i: 14 mm shorter

    Aquos R2 compact:
    131 mm
    A8i:
    117 mm
  • Release year

    Aquos R2 compact:
    2018
    A8i:
    2010

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 compact

    Height:
    131 mm +14 mm versus A8i
    Width:
    64 mm +5 mm versus A8i
    Depth:
    9.3 mm
  2. 2. A8i

    Height:
    117 mm
    Width:
    59 mm
    Depth:
    14 mm +4.7 mm versus Aquos R2 compact

Weight

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

  1. 1. Aquos R2 compact

    135 g

  2. 2. A8i

    136 g

    +1 g versus Aquos R2 compact

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 compact

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    67.5 cm²
  2. 2. A8i

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

Aquos R2 compact has approximately 99.9% more rectangular screen area than A8i.

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 compact: Original memory entry

64 GB · 512GB 4GB

A8i: Original memory entry

200 MB

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 compact

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

2. A8i

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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 R2 compact2. A8i

Everyday essentials
Everyday essentials — specifications for Aquos R2 compact, A8i.
SpecificationAquos R2 compactA8i
Dimensions (HxWxD)
  • 131 Х 64 Х 9.3 mm
  • 117 Х 59 Х 14 mm
Weight
  • 135 g
  • 136 g
Technology
  • IGZO IPS LCD
  • TFT
Screen size
  • 5.2" inch
  • 3.5" inch
Screen resolution
  • 1080 x 2280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 200 MB
Memory card support
  • microSD
  • up to 512 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 9.0 (Pie)
  • Android-based OPhone 2.0
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Aquos R2 compact, A8i.
SpecificationAquos R2 compactA8i
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 67.5 cm2
  • 33.8 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 80.5%
  • 48.9%
PPI /points per inch/
  • 485 PPI
  • 280 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for Aquos R2 compact, A8i.
SpecificationAquos R2 compactA8i
Rear camera, main
  • 22.6 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 22.6 MP
  • f/1.9
  • 22 mm
  • PDAF
  • OIS
  • 5 MP
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.2
  • 23 mm
Unknown
Performance
Performance — specifications for Aquos R2 compact, A8i.
SpecificationAquos R2 compactA8i
Processor CPU
  • Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Unknown
Graphics processor GPU
  • Adreno 630
Unknown
General specs
General specs — specifications for Aquos R2 compact, A8i.
SpecificationAquos R2 compactA8i
Release date
  • 2018
  • November
  • 2010
  • August
Colors
  • Smokey Green
  • Deep White
  • Pure Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 130 EUR
Battery life Unknown
  • Stand by time- Up to 260 h (2G) / Up to 260 h (3G) Talking time- Up to 5 h (2G) / Up to 7 h 30 min (3G)
Body build
  • Front glass
  • aluminum frame
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Aquos R2 compact, A8i.
SpecificationAquos R2 compactA8i
SIM card
  • Nano-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE
  • TD-SCDMA
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector (PowerDelivery 2.0)
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Aquos R2 compact, A8i.
SpecificationAquos R2 compactA8i
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • 120 Hz -HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic -Dolby Vision & Dolby Atmos -24-bit/192kHz audio
Unknown
Other features
Other features — specifications for Aquos R2 compact, A8i.
SpecificationAquos R2 compactA8i
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins)
  • Sensors Accelerometer
  • proximity
  • compass - CMMB mobile TV -MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -TrackID music recognition -Predictive text input - For China