O2 XDA Serra vs ZTE nubia Z18

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: 7 g lighter

    XDA Serra:
    165 g
    nubia Z18:
    172 g
  • Width

    XDA Serra: 21.6 mm narrower

    XDA Serra:
    51 mm
    nubia Z18:
    72.6 mm
  • Screen diagonal

    XDA Serra: 3.19 in smaller diagonal

    XDA Serra:
    2.8 in
    nubia Z18:
    5.99 in
  • Chipset

    XDA Serra:
    Qualcomm MSM7201A
    nubia Z18:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    XDA Serra:
    Single
    nubia Z18:
    Dual
  • Depth

    nubia Z18: 9.5 mm thinner

    XDA Serra:
    18.1 mm
    nubia Z18:
    8.6 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 +9.5 mm versus nubia Z18
  2. 2. nubia Z18

    Height:
    148.6 mm +46.6 mm versus XDA Serra
    Width:
    72.6 mm +21.6 mm versus XDA Serra
    Depth:
    8.6 mm

Weight

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

  1. 1. XDA Serra

    165 g

  2. 2. nubia Z18

    172 g

    +7 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. nubia Z18

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 cm²

nubia Z18 has approximately 281.4% 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

nubia Z18: Original memory entry

128 GB · 8 GB RAM 64 GB · 6 GB RAM

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. nubia Z18

NFC:
Unknown
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. nubia Z18

    3450 mAh

    +2110 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. nubia Z18

Everyday essentials
Everyday essentials — specifications for XDA Serra, nubia Z18.
SpecificationXDA Serranubia Z18
Dimensions (HxWxD)
  • 102 Х 51 Х 18.1 mm
  • 148.6 Х 72.6 Х 8.6 mm
Weight
  • 165 g
  • 172 g
Technology
  • TFT
  • LTPS IPS LCD
Screen size
  • 2.8" inch
  • 5.99" inch
Screen resolution
  • 480 x 640 px
  • 1080 x 2160 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
  • 8 GB RAM 64 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
  • 3450 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 8.1 (Oreo); Nubia UI 6
Chipset
  • Qualcomm MSM7201A
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • No
  • No
Display
Display — specifications for XDA Serra, nubia Z18.
SpecificationXDA Serranubia Z18
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 92.6 cm2
Screen format
  • 4:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 46.7%
  • 85.8%
PPI /points per inch/
  • 286 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for XDA Serra, nubia Z18.
SpecificationXDA Serranubia Z18
Rear camera, main
  • 3.15 MP
  • Single
  • 24 MP
  • Dual
Camera specs
  • 3.15 MP
  • AF
  • 24 MP
  • f/1.6
  • OIS
  • dual pixel PDAF -16 MP
  • AF
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA videocall camera
  • 8 MP
  • f/2.0
Performance
Performance — specifications for XDA Serra, nubia Z18.
SpecificationXDA Serranubia Z18
Processor CPU
  • 528 MHz ARM 11
  • Octa-core (4x2.65 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 130
  • Adreno 630
General specs
General specs — specifications for XDA Serra, nubia Z18.
SpecificationXDA Serranubia Z18
Release date
  • 2008
  • July
  • 2018
  • September
Colors
  • Black
  • Black
  • Red
  • Stary Night
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 400 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, nubia Z18.
SpecificationXDA Serranubia Z18
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 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 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 (6CA) Cat18 1200/150 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Serra, nubia Z18.
SpecificationXDA Serranubia Z18
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Handwriting recognition
  • DTS HD sound -32-bit/384kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Serra, nubia Z18.
SpecificationXDA Serranubia Z18
Dop
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 4.0)