HTC One X vs Lava Z81

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

    One X: 11 g lighter

    One X:
    130 g
    Z81:
    141 g
  • Width

    One X: 3.1 mm narrower

    One X:
    69.9 mm
    Z81:
    73 mm
  • Screen diagonal

    One X: 1 in smaller diagonal

    One X:
    4.7 in
    Z81:
    5.7 in
  • Depth

    Z81: 1 mm thinner

    One X:
    8.9 mm
    Z81:
    7.9 mm
  • Height

    One X: 17.8 mm shorter

    One X:
    134.4 mm
    Z81:
    152.2 mm
  • Release year

    One X:
    2012
    Z81:
    2018

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. One X

    Height:
    134.4 mm
    Width:
    69.9 mm
    Depth:
    8.9 mm +1 mm versus Z81
  2. 2. Z81

    Height:
    152.2 mm +17.8 mm versus One X
    Width:
    73 mm +3.1 mm versus One X
    Depth:
    7.9 mm

Weight

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

  1. 1. One X

    130 g

  2. 2. Z81

    141 g

    +11 g versus One X

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. One X

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Z81

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

Z81 has approximately 37.7% more rectangular screen area than One X.

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.

One X: Original memory entry

16/32 GB (26 GB user available) · 1 GB RAM

Z81: Original memory entry

32 GB · 3 GB RAM 16 GB · 2 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. One X

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

2. Z81

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated 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. One X

    1800 mAh

  2. 2. Z81

    3000 mAh

    +1200 mAh versus One X

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. One X2. Z81

Everyday essentials
Everyday essentials — specifications for One X, Z81.
SpecificationOne XZ81
Dimensions (HxWxD)
  • 134.4 Х 69.9 Х 8.9 mm
  • 152.2 Х 73 Х 7.9 mm
Weight
  • 130 g
  • 141 g
Technology
  • Super IPS LCD2
  • IPS LCD
Screen size
  • 4.7" inch
  • 5.7" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB (26 GB user available)
  • 1 GB RAM
  • 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
Memory card support
  • No
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Non-removable Li-Po
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • upgradable to 4.1.1 (Jelly Bean); Sense UI
  • Android 8.1 (Oreo)
Chipset
  • Nvidia Tegra 3
  • Mediatek MT6761 Helio A22 (12 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One X, Z81.
SpecificationOne XZ81
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 83.8 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 64.8%
  • 75.5%
PPI /points per inch/
  • 312 PPI
  • 282 PPI
Screen protection
  • Corning Gorilla Glass
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for One X, Z81.
SpecificationOne XZ81
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • f/2.2
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 1.3 MP
  • 13 MP
  • f/2.0
Performance

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

Performance — specifications for One X, Z81.
SpecificationOne XZ81
Processor CPU
  • Quad-core 1.5 GHz
  • Quad-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • ULP GeForce
  • PowerVR GE8320
Antutu 7 score *
  • 15483
  • 55328
GeekBench 4 Single Core *
  • 423
Unknown
GeekBench 4 Multi-Core *
  • 981
Unknown
GeekBench 4 RenderScript *
  • 622
Unknown
General specs
General specs — specifications for One X, Z81.
SpecificationOne XZ81
Release date
  • 2012
  • February
  • 2018
  • October
Colors
  • Gray
  • White
  • black/blue
  • Gold/Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for One X, Z81.
SpecificationOne XZ81
SIM card
  • Micro-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 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0 (MHL TV-out)
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.68 W/kg (head) 0.70 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for One X, Z81.
SpecificationOne XZ81
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Beats Audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for One X, Z81.
SpecificationOne XZ81
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as HTC One XT for China
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India