ZTE Nubia Z9 mini vs ZTE V821

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

    V821: 27 g lighter

    Nubia Z9 mini:
    147 g
    V821:
    120 g
  • Width

    V821: 13.3 mm narrower

    Nubia Z9 mini:
    69.8 mm
    V821:
    56.5 mm
  • Chipset

    Nubia Z9 mini:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
    V821:
    Mediatek MT6516
  • Depth

    Nubia Z9 mini: 3.6 mm thinner

    Nubia Z9 mini:
    8.2 mm
    V821:
    11.8 mm
  • Height

    V821: 25.3 mm shorter

    Nubia Z9 mini:
    141.3 mm
    V821:
    116 mm
  • Release year

    Nubia Z9 mini:
    2015
    V821:
    2011

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. Nubia Z9 mini

    Height:
    141.3 mm +25.3 mm versus V821
    Width:
    69.8 mm +13.3 mm versus V821
    Depth:
    8.2 mm
  2. 2. V821

    Height:
    116 mm
    Width:
    56.5 mm
    Depth:
    11.8 mm +3.6 mm versus Nubia Z9 mini

Weight

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

  1. 1. Nubia Z9 mini

    147 g

    +27 g versus V821

  2. 2. V821

    120 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Nubia Z9 mini

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. V821

    V821: Screen geometry unavailable or conflicting.

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 Nubia Z9 mini, V821, compared at the same storage capacity.
StorageNubia Z9 miniV821
16 GB 2 GB RAM Unknown
V821: Original memory entry

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. Nubia Z9 mini

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. V821

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. Nubia Z9 mini2. V821

Everyday essentials
Everyday essentials — specifications for Nubia Z9 mini, V821.
SpecificationNubia Z9 miniV821
Dimensions (HxWxD)
  • 141.3 Х 69.8 Х 8.2 mm
  • 116 Х 56.5 Х 11.8 mm
Weight
  • 147 g
  • 120 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 0" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 256 MB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2900 mAh
  • Non-removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 5.0.2 (Lollipop); nubia UI 2.8
  • Android 2.2 (Froyo)
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Mediatek MT6516
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Nubia Z9 mini, V821.
SpecificationNubia Z9 miniV821
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 68.9 cm2
Unknown
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 69.9%
Unknown
PPI /points per inch/
  • 441 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Nubia Z9 mini, V821.
SpecificationNubia Z9 miniV821
Rear camera, main
  • 16 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 16 MP
  • AF
  • f/2.0
  • 2 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.4
Unknown
Performance
Performance — specifications for Nubia Z9 mini, V821.
SpecificationNubia Z9 miniV821
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • 416 MHz
Graphics processor GPU
  • Adreno 405
Unknown
General specs
General specs — specifications for Nubia Z9 mini, V821.
SpecificationNubia Z9 miniV821
Release date
  • 2015
  • March
  • 2011
  • June
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 220 EUR
Battery life
  • Stand by time- Up to 750 h (3G) Talking time- Up to 43 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Nubia Z9 mini, V821.
SpecificationNubia Z9 miniV821
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Nubia Z9 mini, V821.
SpecificationNubia Z9 miniV821
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Nubia Z9 mini, V821.
SpecificationNubia Z9 miniV821
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input