vivo Z3x vs Xiaomi Poco X2

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

    Z3x: 58 g lighter

    Z3x:
    150 g
    Poco X2:
    208 g
  • Width

    Z3x: 1.6 mm narrower

    Z3x:
    75 mm
    Poco X2:
    76.6 mm
  • Screen diagonal

    Z3x: 0.41 in smaller diagonal

    Z3x:
    6.26 in
    Poco X2:
    6.67 in
  • Chipset

    Z3x:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Poco X2:
    Qualcomm SDM730 Snapdragon 730G (8 nm)
  • Rear camera layout

    Z3x:
    Dual
    Poco X2:
    Quad
  • Depth

    Z3x: 0.9 mm thinner

    Z3x:
    7.9 mm
    Poco X2:
    8.8 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. Z3x

    Height:
    154.8 mm
    Width:
    75 mm
    Depth:
    7.9 mm
  2. 2. Poco X2

    Height:
    165.3 mm +10.5 mm versus Z3x
    Width:
    76.6 mm +1.6 mm versus Z3x
    Depth:
    8.8 mm +0.9 mm versus Z3x

Weight

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

  1. 1. Z3x

    150 g

  2. 2. Poco X2

    208 g

    +58 g versus Z3x

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. Z3x

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. Poco X2

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

Poco X2 has approximately 9.8% more rectangular screen area than Z3x.

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 Z3x, Poco X2, compared at the same storage capacity.
StorageZ3xPoco X2
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
256 GB Unknown 8 GB RAM
Z3x: Original memory entry

64 GB · 512GB 4GB

Practical features

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

1. Z3x

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

2. Poco X2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (uses shared SIM slot)

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. Z3x

    3260 mAh

  2. 2. Poco X2

    4500 mAh

    +1240 mAh versus Z3x

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. Z3x2. Poco X2

Everyday essentials
Everyday essentials — specifications for Z3x, Poco X2.
SpecificationZ3xPoco X2
Dimensions (HxWxD)
  • 154.8 Х 75 Х 7.9 mm
  • 165.3 Х 76.6 Х 8.8 mm
Weight
  • 150 g
  • 208 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.26" inch
  • 6.67" inch
Screen resolution
  • 1080 x 2280 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 64GB 6GB RAM
  • 128GB 6GB RAM
  • 256GB 8GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSDXC (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3260 mAh
  • Non-removable Li-Ion
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); Funtouch 9
  • Android 10.0; MIUI 11
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm SDM730 Snapdragon 730G (8 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z3x, Poco X2.
SpecificationZ3xPoco X2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 107.4 cm2
Screen format
  • 19:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 84.2%
  • 84.8%
PPI /points per inch/
  • 403 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Z3x, Poco X2.
SpecificationZ3xPoco X2
Rear camera, main
  • 13 MP
  • Dual
  • 64 MP
  • Quad
Camera specs
  • 13 MP
  • f/2.2
  • PDAF -2 MP
  • f/2.4
  • depth sensor
  • 64 MP
  • f/1.9
  • 26mm (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm -2 MP
  • f/2.4
  • 1/5.0''
  • 1.75µm (dedicated macro camera) -2 MP
  • 1.75µm
  • depth sensor
Functions
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 20 MP
  • Dual
Specifications
  • 16 MP
  • f/2.0
  • 20 MP
  • f/2.2
  • 27mm (wide)
  • 1/3.4''
  • 0.8µm 2 MP
  • f/2.4
  • 1/5''
  • 1.75µm
  • depth sensor
Performance

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

Performance — specifications for Z3x, Poco X2.
SpecificationZ3xPoco X2
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 512
  • Adreno 618
Antutu 7 score *
  • 134562
Unknown
Antutu 8 score * Unknown
  • 279215
GeekBench 5 Single Core * Unknown
  • 489
GeekBench 5 Multi-Core * Unknown
  • 1576
General specs
General specs — specifications for Z3x, Poco X2.
SpecificationZ3xPoco X2
Release date
  • 2019
  • April
  • 2020
  • February
Colors
  • Black
  • Red
  • Aurora
  • Atlantis Blue
  • Matrix Purple
  • Phoenix Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 200 EUR
Body build
  • plastic back
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Z3x, Poco X2.
SpecificationZ3xPoco X2
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Yes
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • Yes
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 1.08 W/kg (head) 0.62 W/kg (body)
Music and Audio
Music and Audio — specifications for Z3x, Poco X2.
SpecificationZ3xPoco X2
Radio
  • FM radio
  • FM radio
  • recording
Others
  • Active noise cancellation with dedicated mic
  • HDR10 -120Hz refresh rate -500 nits typ. brightness
  • 24-bit/192kHz audio
Other features
Other features — specifications for Z3x, Poco X2.
SpecificationZ3xPoco X2
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Version: V1730GA
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (100% in 68 min) - Splash resistant - Also known as Xiaomi POCO X2 Special Edition