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O2 XDA Serra vs OnePlus 3T

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

    3T: 7 g lighter

    XDA Serra:
    165 g
    3T:
    158 g
  • Width

    XDA Serra: 23.7 mm narrower

    XDA Serra:
    51 mm
    3T:
    74.7 mm
  • Screen diagonal

    XDA Serra: 2.7 in smaller diagonal

    XDA Serra:
    2.8 in
    3T:
    5.5 in
  • Chipset

    XDA Serra:
    Qualcomm MSM7201A
    3T:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Depth

    3T: 10.7 mm thinner

    XDA Serra:
    18.1 mm
    3T:
    7.4 mm
  • Height

    XDA Serra: 50.7 mm shorter

    XDA Serra:
    102 mm
    3T:
    152.7 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 3T
  2. 2. 3T

    Height:
    152.7 mm +50.7 mm versus XDA Serra
    Width:
    74.7 mm +23.7 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

    +7 g versus 3T

  2. 2. 3T

    158 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. 3T

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

3T has approximately 243.5% 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, 3T, compared at the same storage capacity.
StorageXDA Serra3T
64 GB Unknown 6 GB RAM
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. 3T

NFC:
Yes
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. 3T

    3400 mAh

    +2060 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. 3T

Everyday essentials
Everyday essentials — specifications for XDA Serra, 3T.
SpecificationXDA Serra3T
Dimensions (HxWxD)
  • 102 Х 51 Х 18.1 mm
  • 152.7 Х 74.7 Х 7.4 mm
Weight
  • 165 g
  • 158 g
Technology
  • TFT
  • Optic AMOLED
Screen size
  • 2.8" inch
  • 5.5" inch
Screen resolution
  • 480 x 640 px
  • 1080 x 1920 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
  • 64/128 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
  • 3400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 6.0.1 (Marshmallow)
  • upgradable to Android 8.0 (Oreo); OxygenOS 5.0.4
Chipset
  • Qualcomm MSM7201A
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Serra, 3T.
SpecificationXDA Serra3T
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 83.4 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 46.7%
  • 73.1%
PPI /points per inch/
  • 286 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for XDA Serra, 3T.
SpecificationXDA Serra3T
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 16 MP
  • f/2.0
  • 1/2.8''
  • 1.12µm
  • OIS
  • PDAF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA videocall camera
  • 16 MP
  • f/2.0
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for XDA Serra, 3T.
SpecificationXDA Serra3T
Processor CPU
  • 528 MHz ARM 11
  • Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo)
Graphics processor GPU
  • Adreno 130
  • Adreno 530
Antutu 7 score * Unknown
  • 178923
GeekBench 4 Single Core * Unknown
  • 1800
GeekBench 4 Multi-Core * Unknown
  • 4117
GeekBench 4 RenderScript * Unknown
  • 7474
GeekBench 5 Single Core * Unknown
  • 335
GeekBench 5 Multi-Core * Unknown
  • 783
General specs
General specs — specifications for XDA Serra, 3T.
SpecificationXDA Serra3T
Release date
  • 2008
  • July
  • 2016
  • November
Colors
  • Black
  • Gunmetal
  • soft gold
  • Midnight Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 440 EUR
Battery life
  • Stand by time- Up to 406 h Talking time- Up to 8 h
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for XDA Serra, 3T.
SpecificationXDA Serra3T
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 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - North America HSDPA 850 / 900 / 1900 / 2100 - Global model CDMA2000 1xEV-DO - North America -4G - LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 30(2300) - North America LTE band 1(2100)
  • 3(1800)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global model
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 a/b/g/n/ac
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • aptX HD
  • LE
Harmful irradiation Unknown
  • SAR - 0.99 W/kg (head) 0.65 W/kg (body)
Music and Audio
Music and Audio — specifications for XDA Serra, 3T.
SpecificationXDA Serra3T
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Serra, 3T.
SpecificationXDA Serra3T
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 (Dash Charge)