HTC Desire U vs ZTE Obsidian

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.

  • Weight

    Desire U: 23.5 g lighter

    Desire U:
    114 g
    Obsidian:
    137.5 g
  • Width

    Desire U: 6.3 mm narrower

    Desire U:
    62.3 mm
    Obsidian:
    68.6 mm
  • Screen diagonal

    Desire U: 0.5 in smaller diagonal

    Desire U:
    4 in
    Obsidian:
    4.5 in
  • Depth

    Desire U: 0.9 mm thinner

    Desire U:
    9.3 mm
    Obsidian:
    10.2 mm
  • Height

    Desire U: 18.9 mm shorter

    Desire U:
    118.5 mm
    Obsidian:
    137.4 mm
  • Release year

    Desire U:
    2013
    Obsidian:
    2015

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. Desire U

    Height:
    118.5 mm
    Width:
    62.3 mm
    Depth:
    9.3 mm
  2. 2. Obsidian

    Height:
    137.4 mm +18.9 mm versus Desire U
    Width:
    68.6 mm +6.3 mm versus Desire U
    Depth:
    10.2 mm +0.9 mm versus Desire U

Weight

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

  1. 1. Desire U

    114 g

  2. 2. Obsidian

    137.5 g

    +23.5 g versus Desire U

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. Desire U

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Obsidian

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

Obsidian has approximately 22.6% more rectangular screen area than Desire U.

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 Desire U, Obsidian, compared at the same storage capacity.
StorageDesire UObsidian
4 GB Unknown 1 GB RAM
Desire U: Original memory entry

4 GB · 512 MB 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. Desire U

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

2. Obsidian

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.

Recorded battery capacity

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

  1. 1. Desire U

    1650 mAh

  2. 2. Obsidian

    1800 mAh

    +150 mAh versus Desire U

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. Desire U2. Obsidian

Everyday essentials
Everyday essentials — specifications for Desire U, Obsidian.
SpecificationDesire UObsidian
Dimensions (HxWxD)
  • 118.5 Х 62.3 Х 9.3 mm
  • 137.4 Х 68.6 Х 10.2 mm
Weight
  • 114 g
  • 137.5 g
Technology
  • Super LCD
  • TFT
Screen size
  • 4" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1650 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Mediatek MT6735M (28 nm)
NFC
  • Optional
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Desire U, Obsidian.
SpecificationDesire UObsidian
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 61.7%
  • 59.2%
PPI /points per inch/
  • 233 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Desire U, Obsidian.
SpecificationDesire UObsidian
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • w480p@30fps
  • Yes
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance
Performance — specifications for Desire U, Obsidian.
SpecificationDesire UObsidian
Processor CPU
  • 1.0 GHz
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720MP2
General specs
General specs — specifications for Desire U, Obsidian.
SpecificationDesire UObsidian
Release date
  • 2013
  • January
  • 2015
  • August
Colors
  • White
  • Black
  • Orange
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 130 EUR
Battery life Unknown
  • Stand by time- Up to 252 h (3G) Talking time- Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Desire U, Obsidian.
SpecificationDesire UObsidian
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 1.31 W/kg (head) 0.96 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Desire U, Obsidian.
SpecificationDesire UObsidian
Radio
  • No
  • FM radio
Others
  • Beats Audio
Unknown
Other features
Other features — specifications for Desire U, Obsidian.
SpecificationDesire UObsidian
Dop
  • Sensors Accelerometer
  • proximity - HTC T327w for Chinа
  • Sensors Accelerometer