ZTE Open C vs ZTE Zmax

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

    Open C: 64.9 g lighter

    Open C:
    125 g
    Zmax:
    189.9 g
  • Width

    Open C: 19.1 mm narrower

    Open C:
    64.7 mm
    Zmax:
    83.8 mm
  • Screen diagonal

    Open C: 1.7 in smaller diagonal

    Open C:
    4 in
    Zmax:
    5.7 in
  • Chipset

    Open C:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
    Zmax:
    Qualcomm MSM8926 Snapdragon 400 (28 nm)
  • Depth

    Zmax: 1.9 mm thinner

    Open C:
    10.8 mm
    Zmax:
    8.9 mm
  • Height

    Open C: 36.6 mm shorter

    Open C:
    126 mm
    Zmax:
    162.6 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. Open C

    Height:
    126 mm
    Width:
    64.7 mm
    Depth:
    10.8 mm +1.9 mm versus Zmax
  2. 2. Zmax

    Height:
    162.6 mm +36.6 mm versus Open C
    Width:
    83.8 mm +19.1 mm versus Open C
    Depth:
    8.9 mm

Weight

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

  1. 1. Open C

    125 g

  2. 2. Zmax

    189.9 g

    +64.9 g versus Open C

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. Open C

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

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

Zmax has approximately 96.7% more rectangular screen area than Open C.

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 Open C, Zmax, compared at the same storage capacity.
StorageOpen CZmax
16 GB Unknown 2 GB RAM
Open C: 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. Open C

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

2. Zmax

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. Open C

    1400 mAh

  2. 2. Zmax

    3400 mAh

    +2000 mAh versus Open C

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. Open C2. Zmax

Everyday essentials
Everyday essentials — specifications for Open C, Zmax.
SpecificationOpen CZmax
Dimensions (HxWxD)
  • 126 Х 64.7 Х 10.8 mm
  • 162.6 Х 83.8 Х 8.9 mm
Weight
  • 125 g
  • 189.9 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 5.7" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 16 GB
  • 2 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.
  • 1400 mAh
  • Removable Li-Ion
  • 3400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Firefox OS 1.3
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Qualcomm MSM8926 Snapdragon 400 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Open C, Zmax.
SpecificationOpen CZmax
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 45.5 cm2
  • 89.6 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.9%
  • 65.7%
PPI /points per inch/
  • 233 PPI
  • 258 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Open C, Zmax.
SpecificationOpen CZmax
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • 352x288@15fps
  • 720p
Front camera, selfie
  • 0 MP,
  • 1.6 MP
  • Single
Specifications Unknown
  • 1.6 MP
Performance

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

Performance — specifications for Open C, Zmax.
SpecificationOpen CZmax
Processor CPU
  • Dual-core 1.2 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 302
  • Adreno 305
Antutu 7 score *
  • 12154
  • 25303
General specs
General specs — specifications for Open C, Zmax.
SpecificationOpen CZmax
Release date
  • 2014
  • February
  • 2014
  • September
Colors
  • Orange
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 200 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 6 h
  • Stand by time- Up to 360 h Talking time- Up to 14 h
Communication and Connectivity
Communication and Connectivity — specifications for Open C, Zmax.
SpecificationOpen CZmax
SIM card
  • Micro-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 / 1900 / 2100 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 7(2600)
  • 12(700)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps or Cat3 100/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Open C, Zmax.
SpecificationOpen CZmax
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Open C, Zmax.
SpecificationOpen CZmax
Dop
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input
  • Sensors Accelerometer
  • proximity
  • compass