verykool s757 vs ZTE Open II

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.

  • Width

    Open II: 16 mm narrower

    s757:
    77 mm
    Open II:
    61 mm
  • Screen diagonal

    Open II: 1.5 in smaller diagonal

    s757:
    5 in
    Open II:
    3.5 in
  • Chipset

    s757:
    Mediatek MT6573 (65 nm)
    Open II:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    Open II: 2.3 mm thinner

    s757:
    12.8 mm
    Open II:
    10.5 mm
  • Height

    Open II: 30 mm shorter

    s757:
    148 mm
    Open II:
    118 mm
  • Release year

    s757:
    2012
    Open II:
    2014

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. s757

    Height:
    148 mm +30 mm versus Open II
    Width:
    77 mm +16 mm versus Open II
    Depth:
    12.8 mm +2.3 mm versus Open II
    Weight:
    288 g
  2. 2. Open II

    Height:
    118 mm
    Width:
    61 mm
    Depth:
    10.5 mm
    Weight:
    Unknown

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. s757

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    71.2 cm²
  2. 2. Open II

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

s757 has approximately 95.1% more rectangular screen area than Open II.

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.

s757: Original memory entry

160 MB · 512 MB RAM

Open II: Original memory entry

2 GB · 256 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. s757

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

2. Open II

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. s757

    2300 mAh

    +1150 mAh versus Open II

  2. 2. Open II

    1150 mAh

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. s7572. Open II

Everyday essentials
Everyday essentials — specifications for s757, Open II.
Specifications757Open II
Dimensions (HxWxD)
  • 148 Х 77 Х 12.8 mm
  • 118 Х 61 Х 10.5 mm
Weight
  • 288 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 5" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 160 MB
  • 512 MB RAM
  • 2 GB
  • 256 MB 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.
  • 2300 mAh
  • Removable Li-Po
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • Firefox OS 1.3
Chipset
  • Mediatek MT6573 (65 nm)
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for s757, Open II.
Specifications757Open II
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 71.2 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 62.4%
  • 50.7%
PPI /points per inch/
  • 187 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for s757, Open II.
Specifications757Open II
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance

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

Performance — specifications for s757, Open II.
Specifications757Open II
Processor CPU
  • 800 MHz Cortex-A9
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR SGX531
  • Adreno 302
Antutu 7 score * Unknown
  • 12396
General specs
General specs — specifications for s757, Open II.
Specifications757Open II
Release date
  • 2012
  • 2014
  • February
Colors
  • Black
  • Black
Communication and Connectivity
Communication and Connectivity — specifications for s757, Open II.
Specifications757Open II
SIM card
  • Dual SIM (Mini-SIM)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 2 (optional)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA
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
  • Yes
  • with A-GPS
Unknown
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 2.1
Music and Audio
Music and Audio — specifications for s757, Open II.
Specifications757Open II
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for s757, Open II.
Specifications757Open II
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.263 player -MP3/WAV/eAAC+ player -Organizer -Document viewer -Voice memo/dial -Predictive text input
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input