O2 XDA Serra vs Oppo R15x

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

    R15x: 9 g lighter

    XDA Serra:
    165 g
    R15x:
    156 g
  • Width

    XDA Serra: 24.5 mm narrower

    XDA Serra:
    51 mm
    R15x:
    75.5 mm
  • Screen diagonal

    XDA Serra: 3.6 in smaller diagonal

    XDA Serra:
    2.8 in
    R15x:
    6.4 in
  • Chipset

    XDA Serra:
    Qualcomm MSM7201A
    R15x:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    XDA Serra:
    Single
    R15x:
    Dual
  • Depth

    R15x: 10.7 mm thinner

    XDA Serra:
    18.1 mm
    R15x:
    7.4 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 +10.7 mm versus R15x
  2. 2. R15x

    Height:
    158.3 mm +56.3 mm versus XDA Serra
    Width:
    75.5 mm +24.5 mm versus XDA Serra
    Depth:
    7.4 mm

Weight

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

  1. 1. XDA Serra

    165 g

    +9 g versus R15x

  2. 2. R15x

    156 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. R15x

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²

R15x has approximately 314.1% 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, R15x, compared at the same storage capacity.
StorageXDA SerraR15x
128 GB Unknown 6 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. R15x

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. R15x

    3600 mAh

    +2260 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. R15x

Everyday essentials
Everyday essentials — specifications for XDA Serra, R15x.
SpecificationXDA SerraR15x
Dimensions (HxWxD)
  • 102 Х 51 Х 18.1 mm
  • 158.3 Х 75.5 Х 7.4 mm
Weight
  • 165 g
  • 156 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.8" inch
  • 6.4" inch
Screen resolution
  • 480 x 640 px
  • 1080 x 2340 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
  • 128 GB
  • 6 GB RAM
Memory card support
  • microSD (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1340 mAh
  • Removable Li-Ion
  • 3600 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 8.1 (Oreo); ColorOS 5.2
Chipset
  • Qualcomm MSM7201A
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Serra, R15x.
SpecificationXDA SerraR15x
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 101.0 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 46.7%
  • 84.5%
PPI /points per inch/
  • 286 PPI
  • 402 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for XDA Serra, R15x.
SpecificationXDA SerraR15x
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 3.15 MP
  • AF
  • 16 MP
  • f/1.7
  • 1/2.8''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 25 MP
  • Single
Specifications
  • VGA videocall camera
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
Performance

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

Performance — specifications for XDA Serra, R15x.
SpecificationXDA SerraR15x
Processor CPU
  • 528 MHz ARM 11
  • Octa-core (4x2.0 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Adreno 130
  • Adreno 512
Antutu 7 score * Unknown
  • 143726
General specs
General specs — specifications for XDA Serra, R15x.
SpecificationXDA SerraR15x
Release date
  • 2008
  • July
  • 2018
  • October
Colors
  • Black
  • Nebula
  • Silver Green
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 350 EUR
Battery life
  • Stand by time- Up to 406 h Talking time- Up to 8 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for XDA Serra, R15x.
SpecificationXDA SerraR15x
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 1700(AWS) / 2100 / 900 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 а/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Serra, R15x.
SpecificationXDA SerraR15x
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Serra, R15x.
SpecificationXDA SerraR15x
Dop
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W - Incomplete preliminary specifications