O2 XDA Serra vs Xolo Opus HD

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

    XDA Serra: 20 mm narrower

    XDA Serra:
    51 mm
    Opus HD:
    71 mm
  • Screen diagonal

    XDA Serra: 2.19 in smaller diagonal

    XDA Serra:
    2.8 in
    Opus HD:
    4.99 in
  • Depth

    Opus HD: 10.2 mm thinner

    XDA Serra:
    18.1 mm
    Opus HD:
    7.9 mm
  • Height

    XDA Serra: 41 mm shorter

    XDA Serra:
    102 mm
    Opus HD:
    143 mm
  • Release year

    XDA Serra:
    2008
    Opus HD:
    2014

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 +10.2 mm versus Opus HD
    Weight:
    165 g
  2. 2. Opus HD

    Height:
    143 mm +41 mm versus XDA Serra
    Width:
    71 mm +20 mm versus XDA Serra
    Depth:
    7.9 mm
    Weight:
    Unknown

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. Opus HD

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

Opus HD has approximately 182.7% 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.

Recorded RAM for XDA Serra, Opus HD, compared at the same storage capacity.
StorageXDA SerraOpus HD
8 GB Unknown 1 GB RAM
XDA Serra: Original memory entry

288 MB RAM · 512 MB ROM

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. Opus HD

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Opus HD

    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. Opus HD

Everyday essentials
Everyday essentials — specifications for XDA Serra, Opus HD.
SpecificationXDA SerraOpus HD
Dimensions (HxWxD)
  • 102 Х 51 Х 18.1 mm
  • 143 Х 71 Х 7.9 mm
Weight
  • 165 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 4.99" inch
Screen resolution
  • 480 x 640 px
  • 720 x 1280 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
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1340 mAh
  • Removable Li-Ion
  • 2500 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM7201A
  • Broadcom BCM23550
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Serra, Opus HD.
SpecificationXDA SerraOpus HD
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 256K
Screen area
  • 24.3 cm2
  • 68.6 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 46.7%
  • 67.6%
PPI /points per inch/
  • 286 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for XDA Serra, Opus HD.
SpecificationXDA SerraOpus HD
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA videocall camera
  • 2 MP
Performance

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

Performance — specifications for XDA Serra, Opus HD.
SpecificationXDA SerraOpus HD
Processor CPU
  • 528 MHz ARM 11
  • Quad-core 1.2 GHz
Graphics processor GPU
  • Adreno 130
  • Broadcom VideoCore IV
Antutu 7 score * Unknown
  • 5687
General specs
General specs — specifications for XDA Serra, Opus HD.
SpecificationXDA SerraOpus HD
Release date
  • 2008
  • July
  • 2014
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life
  • Stand by time- Up to 406 h Talking time- Up to 8 h
  • Stand by time- Up to 600 h (2G) / Up to 500 h (3G) Talking time- Up to 28 h (2G) / Up to 9 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for XDA Serra, Opus HD.
SpecificationXDA SerraOpus HD
SIM card
  • Mini-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.52 W/kg (head) 0.60 W/kg (body)
Music and Audio
Music and Audio — specifications for XDA Serra, Opus HD.
SpecificationXDA SerraOpus HD
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Serra, Opus HD.
SpecificationXDA SerraOpus HD
Dop
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input
  • Sensors Accelerometer
  • proximity - For India