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O2 XDA Serra vs OnePlus 7T

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

    XDA Serra: 25 g lighter

    XDA Serra:
    165 g
    7T:
    190 g
  • Width

    XDA Serra: 23.4 mm narrower

    XDA Serra:
    51 mm
    7T:
    74.4 mm
  • Screen diagonal

    XDA Serra: 3.75 in smaller diagonal

    XDA Serra:
    2.8 in
    7T:
    6.55 in
  • Chipset

    XDA Serra:
    Qualcomm MSM7201A
    7T:
    Qualcomm SDM855 Snapdragon 855+ (7 nm)
  • Rear camera layout

    XDA Serra:
    Single
    7T:
    Triple
  • Depth

    7T: 10 mm thinner

    XDA Serra:
    18.1 mm
    7T:
    8.1 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 mm versus 7T
  2. 2. 7T

    Height:
    160.9 mm +58.9 mm versus XDA Serra
    Width:
    74.4 mm +23.4 mm versus XDA Serra
    Depth:
    8.1 mm

Weight

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

  1. 1. XDA Serra

    165 g

  2. 2. 7T

    190 g

    +25 g versus XDA Serra

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. 7T

    Screen diagonal:
    6.55 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    103.6 cm²

7T has approximately 326.6% 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

7T: Original memory entry

128GB 8GB RAM · 256GB 8GB RAM · UFS3.0

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. 7T

NFC:
Yes
Headphone jack:
No
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. 7T

    3800 mAh

    +2460 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. 7T

Everyday essentials
Everyday essentials — specifications for XDA Serra, 7T.
SpecificationXDA Serra7T
Dimensions (HxWxD)
  • 102 Х 51 Х 18.1 mm
  • 160.9 Х 74.4 Х 8.1 mm
Weight
  • 165 g
  • 190 g
Technology
  • TFT
  • Fluid AMOLED
Screen size
  • 2.8" inch
  • 6.55" inch
Screen resolution
  • 480 x 640 px
  • 1080 x 2400 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
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • UFS3.0
Memory card support
  • microSD (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1340 mAh
  • Removable Li-Ion
  • 3800 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 10.0
Chipset
  • Qualcomm MSM7201A
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • No
Display
Display — specifications for XDA Serra, 7T.
SpecificationXDA Serra7T
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 103.6 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 46.7%
  • 86.5%
PPI /points per inch/
  • 286 PPI
  • 402 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for XDA Serra, 7T.
SpecificationXDA Serra7T
Rear camera, main
  • 3.15 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 3.15 MP
  • AF
  • 48 MP
  • f/1.6
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF
  • OIS -12 MP
  • f/2.2
  • 51mm (telephoto)
  • 1.0µm
  • 2x optical zoom -16 MP
  • 17mm (ultrawide)
  • AF
Functions
  • LED flash
  • Auto-HDR
Video
  • Yes
  • 1080p@30fps
  • gyro-EIS
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA videocall camera
  • 16 MP
  • f/2.0
  • 25mm (wide)
  • 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, 7T.
SpecificationXDA Serra7T
Processor CPU
  • 528 MHz ARM 11
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Graphics processor GPU
  • Adreno 130
  • Adreno 640 (700 MHz)
Antutu 7 score * Unknown
  • 401214
Antutu 8 score * Unknown
  • 494705
GeekBench 5 Single Core * Unknown
  • 761
GeekBench 5 Multi-Core * Unknown
  • 2697
General specs
General specs — specifications for XDA Serra, 7T.
SpecificationXDA Serra7T
Release date
  • 2008
  • July
  • 2019
  • September 26
Colors
  • Black
  • Frosted Silver
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 600 EUR
Battery life
  • Stand by time- Up to 406 h Talking time- Up to 8 h
Unknown
Body build Unknown
  • Front glass (Gorilla Glass)
  • back glass (Gorilla Glass)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for XDA Serra, 7T.
SpecificationXDA Serra7T
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 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 29(700)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100) - EU LTE band 1(2100)
  • 30(2300)
  • 46
  • 48
  • 66(1700/2100)
  • 71(600) - NA LTE band 1(2100)
  • 41(2500) - CN
  • IN
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 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
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • SBAS
USB
  • miniUSB
  • 3.1
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for XDA Serra, 7T.
SpecificationXDA Serra7T
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Handwriting recognition
  • DCI-P3 100% -HDR10+ -90Hz
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
Other features
Other features — specifications for XDA Serra, 7T.
SpecificationXDA Serra7T
Dop
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 30W (Warp Charge 30T)