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verykool RS75 vs ZTE Open C

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

    RS75: 5 g lighter

    RS75:
    120 g
    Open C:
    125 g
  • Screen diagonal

    RS75: 0.5 in smaller diagonal

    RS75:
    3.5 in
    Open C:
    4 in
  • Depth

    Open C: 1.7 mm thinner

    RS75:
    12.5 mm
    Open C:
    10.8 mm
  • Height

    RS75: 4.4 mm shorter

    RS75:
    121.6 mm
    Open C:
    126 mm
  • Release year

    RS75:
    2013
    Open C:
    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. RS75

    Height:
    121.6 mm
    Width:
    64.7 mm
    Depth:
    12.5 mm +1.7 mm versus Open C
  2. 2. Open C

    Height:
    126 mm +4.4 mm versus RS75
    Width:
    64.7 mm
    Depth:
    10.8 mm

Weight

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

  1. 1. RS75

    120 g

  2. 2. Open C

    125 g

    +5 g versus RS75

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. RS75

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

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

Open C has approximately 24.8% more rectangular screen area than RS75.

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.

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. RS75

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

2. Open C

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. RS75

    1350 mAh

  2. 2. Open C

    1400 mAh

    +50 mAh versus RS75

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. RS752. Open C

Everyday essentials
Everyday essentials — specifications for RS75, Open C.
SpecificationRS75Open C
Dimensions (HxWxD)
  • 121.6 Х 64.7 Х 12.5 mm
  • 126 Х 64.7 Х 10.8 mm
Weight
  • 120 g
  • 125 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 4" inch
Screen resolution
  • 320 x 480 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 4 GB
  • 512 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.
  • 1350 mAh
  • Removable Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3 (Gingerbread)
  • Firefox OS 1.3
Chipset Unknown
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for RS75, Open C.
SpecificationRS75Open C
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 36.5 cm2
  • 45.5 cm2
Screen format
  • 3:2 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 46.4%
  • 55.9%
PPI /points per inch/
  • 165 PPI
  • 233 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for RS75, Open C.
SpecificationRS75Open C
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • 3.15 MP
Video
  • Yes
  • 352x288@15fps
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 RS75, Open C.
SpecificationRS75Open C
Processor CPU
  • 1.0 GHz
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
Antutu 7 score * Unknown
  • 12154
General specs
General specs — specifications for RS75, Open C.
SpecificationRS75Open C
Release date
  • 2013
  • 2014
  • February
Colors
  • Black
  • Orange
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 120 h Talking time- Up to 6 h
  • Stand by time- Up to 150 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for RS75, Open C.
SpecificationRS75Open C
SIM card
  • Dual SIM (Mini-SIM)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • 2.1
Music and Audio
Music and Audio — specifications for RS75, Open C.
SpecificationRS75Open C
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for RS75, Open C.
SpecificationRS75Open C
Dop
  • Sensors Accelerometer
  • proximity - IP67 dust/water resistant (up to 1m for 30 mins) -Flashlight
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input