Dell XCD28 vs ZTE Nubia Z7

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

    XCD28: 20.7 mm narrower

    XCD28:
    55 mm
    Nubia Z7:
    75.7 mm
  • Screen diagonal

    XCD28: 2.7 in smaller diagonal

    XCD28:
    2.8 in
    Nubia Z7:
    5.5 in
  • Chipset

    XCD28:
    Qualcomm MSM7227 Snapdragon S1
    Nubia Z7:
    Qualcomm MSM8974AC Snapdragon 801 (28 nm)
  • Depth

    Nubia Z7: 5.6 mm thinner

    XCD28:
    14.5 mm
    Nubia Z7:
    8.9 mm
  • Height

    XCD28: 51.2 mm shorter

    XCD28:
    102 mm
    Nubia Z7:
    153.2 mm
  • Release year

    XCD28:
    2010
    Nubia Z7:
    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. XCD28

    Height:
    102 mm
    Width:
    55 mm
    Depth:
    14.5 mm +5.6 mm versus Nubia Z7
    Weight:
    100 g
  2. 2. Nubia Z7

    Height:
    153.2 mm +51.2 mm versus XCD28
    Width:
    75.7 mm +20.7 mm versus XCD28
    Depth:
    8.9 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. XCD28

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Nubia Z7

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

Nubia Z7 has approximately 243.5% more rectangular screen area than XCD28.

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 XCD28, Nubia Z7, compared at the same storage capacity.
StorageXCD28Nubia Z7
32 GB Unknown 3 GB RAM
XCD28: Original memory entry

256 MB RAM · 256 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. XCD28

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 8 GB (dedicated slot) · 2 GB included

2. Nubia Z7

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. XCD28

    1100 mAh

  2. 2. Nubia Z7

    3000 mAh

    +1900 mAh versus XCD28

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. XCD282. Nubia Z7

Everyday essentials
Everyday essentials — specifications for XCD28, Nubia Z7.
SpecificationXCD28Nubia Z7
Dimensions (HxWxD)
  • 102 Х 55 Х 14.5 mm
  • 153.2 Х 75.7 Х 8.9 mm
Weight
  • 100 g
  • 0 g
Technology
  • TFT
Unknown
Screen size
  • 2.8" inch
  • 5.5" inch
Screen resolution
  • 240 x 320 px
  • 1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB RAM
  • 256 MB
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 8 GB (dedicated slot)
  • 2 GB included
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.1 (Eclair)
  • Android 4.4.2 (KitKat); nubia UI 2
Chipset
  • Qualcomm MSM7227 Snapdragon S1
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for XCD28, Nubia Z7.
SpecificationXCD28Nubia Z7
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 24.3 cm2
  • 82.2 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 43.3%
  • 70.8%
PPI /points per inch/
  • 143 PPI
  • 538 PPI
Camera and Video
Camera and Video — specifications for XCD28, Nubia Z7.
SpecificationXCD28Nubia Z7
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 13 MP
  • OIS
  • AF
Functions Unknown
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
Performance

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

Performance — specifications for XCD28, Nubia Z7.
SpecificationXCD28Nubia Z7
Processor CPU
  • 600 MHz ARM 11
  • Quad-core 2.5 GHz Krait 400
Graphics processor GPU
  • Adreno 200
  • Adreno 330
Antutu 7 score * Unknown
  • 37154
General specs
General specs — specifications for XCD28, Nubia Z7.
SpecificationXCD28Nubia Z7
Release date
  • 2010
  • November
  • 2014
  • July
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 250 EUR
Communication and Connectivity
Communication and Connectivity — specifications for XCD28, Nubia Z7.
SpecificationXCD28Nubia Z7
SIM card
  • Mini-SIM
  • Dual SIM (Micro-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 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • 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 A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for XCD28, Nubia Z7.
SpecificationXCD28Nubia Z7
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others Unknown
  • DTS sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for XCD28, Nubia Z7.
SpecificationXCD28Nubia Z7
Dop
  • MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Document viewer -Voice memo -Predictive text input
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port