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

O2 XDA Serra vs Sharp Aquos R2 compact

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: 30 g lighter

    XDA Serra:
    165 g
    Aquos R2 compact:
    135 g
  • Width

    XDA Serra: 13 mm narrower

    XDA Serra:
    51 mm
    Aquos R2 compact:
    64 mm
  • Screen diagonal

    XDA Serra: 2.4 in smaller diagonal

    XDA Serra:
    2.8 in
    Aquos R2 compact:
    5.2 in
  • Chipset

    XDA Serra:
    Qualcomm MSM7201A
    Aquos R2 compact:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Depth

    Aquos R2 compact: 8.8 mm thinner

    XDA Serra:
    18.1 mm
    Aquos R2 compact:
    9.3 mm
  • Height

    XDA Serra: 29 mm shorter

    XDA Serra:
    102 mm
    Aquos R2 compact:
    131 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. XDA Serra

    Height:
    102 mm
    Width:
    51 mm
    Depth:
    18.1 mm +8.8 mm versus Aquos R2 compact
  2. 2. Aquos R2 compact

    Height:
    131 mm +29 mm versus XDA Serra
    Width:
    64 mm +13 mm versus XDA Serra
    Depth:
    9.3 mm

Weight

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

  1. 1. XDA Serra

    165 g

    +30 g versus Aquos R2 compact

  2. 2. Aquos R2 compact

    135 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. XDA Serra

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Aquos R2 compact

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

Aquos R2 compact has approximately 178% more rectangular screen area than XDA Serra.

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.

XDA Serra: Original memory entry

288 MB RAM · 512 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. XDA Serra

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

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. XDA Serra

    1340 mAh

  2. 2. Aquos R2 compact

    2500 mAh

    +1160 mAh versus XDA Serra

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. XDA Serra2. Aquos R2 compact

Everyday essentials
Everyday essentials — specifications for XDA Serra, Aquos R2 compact.
SpecificationXDA SerraAquos R2 compact
Dimensions (HxWxD)
  • 102 Х 51 Х 18.1 mm
  • 131 Х 64 Х 9.3 mm
Weight
  • 165 g
  • 135 g
Technology
  • TFT
  • IGZO IPS LCD
Screen size
  • 2.8" inch
  • 5.2" inch
Screen resolution
  • 480 x 640 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 288 MB RAM
  • 512 MB ROM
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 512 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1340 mAh
  • Removable Li-Ion
  • 2500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 9.0 (Pie)
Chipset
  • Qualcomm MSM7201A
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Serra, Aquos R2 compact.
SpecificationXDA SerraAquos R2 compact
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 67.5 cm2
Screen format
  • 4:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 46.7%
  • 80.5%
PPI /points per inch/
  • 286 PPI
  • 485 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for XDA Serra, Aquos R2 compact.
SpecificationXDA SerraAquos R2 compact
Rear camera, main
  • 3.15 MP
  • Single
  • 22.6 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 22.6 MP
  • f/1.9
  • 22 mm
  • PDAF
  • OIS
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA videocall camera
  • 8 MP
  • f/2.2
  • 23 mm
Performance
Performance — specifications for XDA Serra, Aquos R2 compact.
SpecificationXDA SerraAquos R2 compact
Processor CPU
  • 528 MHz ARM 11
  • Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 130
  • Adreno 630
General specs
General specs — specifications for XDA Serra, Aquos R2 compact.
SpecificationXDA SerraAquos R2 compact
Release date
  • 2008
  • July
  • 2018
  • November
Colors
  • Black
  • Smokey Green
  • Deep White
  • Pure Black
Battery life
  • Stand by time- Up to 406 h Talking time- Up to 8 h
Unknown
Body build Unknown
  • Front glass
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for XDA Serra, Aquos R2 compact.
SpecificationXDA SerraAquos R2 compact
SIM card
  • Mini-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 2100 -4G - LTE
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA
  • LTE
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
USB
  • miniUSB
  • 2.0
  • Type-C 1.0 reversible connector (PowerDelivery 2.0)
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Serra, Aquos R2 compact.
SpecificationXDA SerraAquos R2 compact
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Handwriting recognition
  • 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 XDA Serra, Aquos R2 compact.
SpecificationXDA SerraAquos R2 compact
Dop
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins)