Sharp Aquos R2 compact vs T-Mobile Sidekick 3

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.

  • Weight

    Aquos R2 compact: 55 g lighter

    Aquos R2 compact:
    135 g
    Sidekick 3:
    190 g
  • Width

    Sidekick 3: 5 mm narrower

    Aquos R2 compact:
    64 mm
    Sidekick 3:
    59 mm
  • Screen diagonal

    Sidekick 3: 2.6 in smaller diagonal

    Aquos R2 compact:
    5.2 in
    Sidekick 3:
    2.6 in
  • Depth

    Aquos R2 compact: 12.7 mm thinner

    Aquos R2 compact:
    9.3 mm
    Sidekick 3:
    22 mm
  • Release year

    Aquos R2 compact:
    2018
    Sidekick 3:
    2006

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
    Width:
    64 mm +5 mm versus Sidekick 3
    Depth:
    9.3 mm
  2. 2. Sidekick 3

    Height:
    130 mm
    Width:
    59 mm
    Depth:
    22 mm +12.7 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. Sidekick 3

    190 g

    +55 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. Sidekick 3

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    20.1 cm²

Aquos R2 compact has approximately 235.3% more rectangular screen area than Sidekick 3.

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

Sidekick 3: Original memory entry

64 MB 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 compact

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

2. Sidekick 3

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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 compact

    2500 mAh

    +1000 mAh versus Sidekick 3

  2. 2. Sidekick 3

    1500 mAh

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. Sidekick 3

Everyday essentials
Everyday essentials — specifications for Aquos R2 compact, Sidekick 3.
SpecificationAquos R2 compactSidekick 3
Dimensions (HxWxD)
  • 131 Х 64 Х 9.3 mm
  • 130 Х 59 Х 22 mm
Weight
  • 135 g
  • 190 g
Technology
  • IGZO IPS LCD
  • TFT
Screen size
  • 5.2" inch
  • 2.6" inch
Screen resolution
  • 1080 x 2280 px
  • 160 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 64 MB RAM
Memory card support
  • microSD
  • up to 512 GB
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Danger 3.0
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Aquos R2 compact, Sidekick 3.
SpecificationAquos R2 compactSidekick 3
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 67.5 cm2
  • 20.1 cm2
Screen format
  • 19:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 80.5%
  • 26.2%
PPI /points per inch/
  • 485 PPI
  • 111 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Aquos R2 compact, Sidekick 3.
SpecificationAquos R2 compactSidekick 3
Rear camera, main
  • 22.6 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 22.6 MP
  • f/1.9
  • 22 mm
  • PDAF
  • OIS
  • 1.3 MP
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • No
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.2
  • 23 mm
Unknown
Performance
Performance — specifications for Aquos R2 compact, Sidekick 3.
SpecificationAquos R2 compactSidekick 3
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, Sidekick 3.
SpecificationAquos R2 compactSidekick 3
Release date
  • 2018
  • November
  • 2006
  • June
Colors
  • Smokey Green
  • Deep White
  • Pure Black
  • Black
Battery life Unknown
  • Stand by time- Up to 72 h Talking time- Up to 4 h 50 min
Body build
  • Front glass
  • aluminum frame
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Aquos R2 compact, Sidekick 3.
SpecificationAquos R2 compactSidekick 3
SIM card
  • Nano-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 2100 -4G - LTE
Unknown
Speed
  • HSPA
  • LTE
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector (PowerDelivery 2.0)
  • 1.1
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 1.2
Music and Audio
Music and Audio — specifications for Aquos R2 compact, Sidekick 3.
SpecificationAquos R2 compactSidekick 3
Radio
  • No
  • No
Others
  • 120 Hz -HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic -Dolby Vision & Dolby Atmos -24-bit/192kHz audio
  • Swivel display
Other features
Other features — specifications for Aquos R2 compact, Sidekick 3.
SpecificationAquos R2 compactSidekick 3
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins)
  • MP3 audio player -Voice memo