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HTC Primo vs ZTE Obsidian

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

    Primo: 22.5 g lighter

    Primo:
    115 g
    Obsidian:
    137.5 g
  • Width

    Primo: 8.9 mm narrower

    Primo:
    59.7 mm
    Obsidian:
    68.6 mm
  • Screen diagonal

    Primo: 0.8 in smaller diagonal

    Primo:
    3.7 in
    Obsidian:
    4.5 in
  • Chipset

    Primo:
    Qualcomm MSM8255 Snapdragon S2
    Obsidian:
    Mediatek MT6735M (28 nm)
  • Depth

    Primo: 1 mm thinner

    Primo:
    9.2 mm
    Obsidian:
    10.2 mm
  • Height

    Primo: 17.1 mm shorter

    Primo:
    120.3 mm
    Obsidian:
    137.4 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. Primo

    Height:
    120.3 mm
    Width:
    59.7 mm
    Depth:
    9.2 mm
  2. 2. Obsidian

    Height:
    137.4 mm +17.1 mm versus Primo
    Width:
    68.6 mm +8.9 mm versus Primo
    Depth:
    10.2 mm +1 mm versus Primo

Weight

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

  1. 1. Primo

    115 g

  2. 2. Obsidian

    137.5 g

    +22.5 g versus Primo

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. Primo

    Screen diagonal:
    3.7 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    39 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 43.3% more rectangular screen area than Primo.

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 Primo, Obsidian, compared at the same storage capacity.
StoragePrimoObsidian
4 GB Unknown 1 GB RAM
Primo: Original memory entry

4 GB (1 GB user available) · 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. Primo

NFC:
Unknown
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. Primo

    1500 mAh

  2. 2. Obsidian

    1800 mAh

    +300 mAh versus Primo

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. Primo2. Obsidian

Everyday essentials
Everyday essentials — specifications for Primo, Obsidian.
SpecificationPrimoObsidian
Dimensions (HxWxD)
  • 120.3 Х 59.7 Х 9.2 mm
  • 137.4 Х 68.6 Х 10.2 mm
Weight
  • 115 g
  • 137.5 g
Technology
  • Super LCD2
  • TFT
Screen size
  • 3.7" 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 (1 GB user available)
  • 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.
  • 1500 mAh
  • Non-removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0.3 (Ice Cream Sandwich)
  • not upgradable to 4.1 (Jelly Bean); Sense UI 4
  • Android 5.1 (Lollipop)
Chipset
  • Qualcomm MSM8255 Snapdragon S2
  • Mediatek MT6735M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Primo, Obsidian.
SpecificationPrimoObsidian
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 39.0 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 54.3%
  • 59.2%
PPI /points per inch/
  • 252 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Primo, Obsidian.
SpecificationPrimoObsidian
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • Yes
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications
  • No
  • 2 MP
Performance
Performance — specifications for Primo, Obsidian.
SpecificationPrimoObsidian
Processor CPU
  • 1.0 GHz Scorpion
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 205
  • Mali-T720MP2
General specs
General specs — specifications for Primo, Obsidian.
SpecificationPrimoObsidian
Release date
  • 2012
  • February. Released 2012
  • April
  • 2015
  • August
Colors
  • Black
  • Brown
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 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 Primo, Obsidian.
SpecificationPrimoObsidian
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • 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
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.87 W/kg (head) 0.77 W/kg (body) SAR EU - 0.87 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Primo, Obsidian.
SpecificationPrimoObsidian
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Beats Audio
Unknown
Other features
Other features — specifications for Primo, Obsidian.
SpecificationPrimoObsidian
Dop
  • Sensors Accelerometer
  • proximity - DivX/XviD/MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -Document editor -Voice memo/dial -Predictive text input
  • Sensors Accelerometer