HTC First vs vivo Z1x

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.

  • Display technology

    OLED versus LCD

    First:
    LCD
    Z1x:
    OLED
  • Weight

    First: 66.1 g lighter

    First:
    123.9 g
    Z1x:
    190 g
  • Width

    First: 10.2 mm narrower

    First:
    65 mm
    Z1x:
    75.2 mm
  • Screen diagonal

    First: 2.08 in smaller diagonal

    First:
    4.3 in
    Z1x:
    6.38 in
  • Chipset

    First:
    Qualcomm MSM8930 Snapdragon 400 (28 nm)
    Z1x:
    Qualcomm SDM712 Snapdragon 712 (10 nm)
  • Rear camera layout

    First:
    Single
    Z1x:
    Triple

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. First

    Height:
    126 mm
    Width:
    65 mm
    Depth:
    8.9 mm +0.8 mm versus Z1x
  2. 2. Z1x

    Height:
    159.5 mm +33.5 mm versus First
    Width:
    75.2 mm +10.2 mm versus First
    Depth:
    8.1 mm

Weight

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

  1. 1. First

    123.9 g

  2. 2. Z1x

    190 g

    +66.1 g versus First

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. First

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 cm²
  2. 2. Z1x

    Screen diagonal:
    6.38 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    99.9 cm²

Z1x has approximately 96% more rectangular screen area than First.

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 First, Z1x, compared at the same storage capacity.
StorageFirstZ1x
16 GB 1 GB RAM Not recorded
64 GB Not recorded 6 GB RAM
128 GB Not recorded 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. First

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

2. Z1x

NFC:
Unknown
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. First

    2000 mAh

  2. 2. Z1x

    4500 mAh

    +2500 mAh versus First

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. First2. Z1x

Everyday essentials
Everyday essentials — specifications for First, Z1x.
SpecificationFirstZ1x
Dimensions (HxWxD)
  • 126 Х 65 Х 8.9 mm
  • 159.5 Х 75.2 Х 8.1 mm
Weight
  • 123.9 g
  • 190 g
Technology
  • Super LCD
  • Super AMOLED
Screen size
  • 4.3" inch
  • 6.38" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 64GB 6GB RAM
  • 128GB 6GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Non-removable Li-Po
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.1 (Jelly Bean); Facebook Home UI
  • Android 9.0 (Pie); Funtouch 9.1
Chipset
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
  • Qualcomm SDM712 Snapdragon 712 (10 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for First, Z1x.
SpecificationFirstZ1x
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 51.0 cm2
  • 99.9 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 62.2%
  • 83.3%
PPI /points per inch/
  • 342 PPI
  • 404 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for First, Z1x.
SpecificationFirstZ1x
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 5 MP
  • AF
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide) -5 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 1.6 MP
  • Single
  • 32 MP
  • Single
Specifications
  • 1.6 MP
  • 32 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.8"
  • 0.8µm
Performance

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

Performance — specifications for First, Z1x.
SpecificationFirstZ1x
Processor CPU
  • Dual-core 1.4 GHz Krait
  • Octa-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU
  • Adreno 305
  • Adreno 616
Antutu 7 score *
  • 18456
Unknown
Antutu 8 score * Unknown
  • 215555
General specs
General specs — specifications for First, Z1x.
SpecificationFirstZ1x
Release date
  • 2013
  • April
  • 2019
  • September
Colors
  • White
  • Black
  • Red
  • Pale Blue
  • Fusion Blue
  • Phantom Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 220 EUR
Battery life
  • Stand by time- Up to 432 h Talking time- Up to 14 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for First, Z1x.
SpecificationFirstZ1x
SIM card
  • Micro-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - AT&T -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700) - AT&T
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX
Harmful irradiation Unknown
  • SAR - 1.03 W/kg (head) 0.55 W/kg (body)
Music and Audio
Music and Audio — specifications for First, Z1x.
SpecificationFirstZ1x
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Always-on display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for First, Z1x.
SpecificationFirstZ1x
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 22.5W