verykool RS75 vs ZTE N721

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

    N721: 15 g lighter

    RS75:
    120 g
    N721:
    105 g
  • Width

    N721: 8.5 mm narrower

    RS75:
    64.7 mm
    N721:
    56.2 mm
  • Screen diagonal

    N721: 0.7 in smaller diagonal

    RS75:
    3.5 in
    N721:
    2.8 in
  • Depth

    RS75: 1.7 mm thinner

    RS75:
    12.5 mm
    N721:
    14.2 mm
  • Height

    N721: 15.6 mm shorter

    RS75:
    121.6 mm
    N721:
    106 mm
  • Release year

    RS75:
    2013
    N721:
    2011

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 +15.6 mm versus N721
    Width:
    64.7 mm +8.5 mm versus N721
    Depth:
    12.5 mm
  2. 2. N721

    Height:
    106 mm
    Width:
    56.2 mm
    Depth:
    14.2 mm +1.7 mm versus RS75

Weight

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

  1. 1. RS75

    120 g

    +15 g versus N721

  2. 2. N721

    105 g

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. N721

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

RS75 has approximately 50.2% more rectangular screen area than N721.

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.

N721: Original memory entry

150 MB

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. N721

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

    +250 mAh versus N721

  2. 2. N721

    1100 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. RS752. N721

Everyday essentials
Everyday essentials — specifications for RS75, N721.
SpecificationRS75N721
Dimensions (HxWxD)
  • 121.6 Х 64.7 Х 12.5 mm
  • 106 Х 56.2 Х 14.2 mm
Weight
  • 120 g
  • 105 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 2.8" inch
Screen resolution
  • 320 x 480 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 150 MB
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
  • 1100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3 (Gingerbread)
  • Android OS
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for RS75, N721.
SpecificationRS75N721
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors Unknown
  • 256K
Screen area
  • 36.5 cm2
  • 24.3 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 46.4%
  • 40.8%
PPI /points per inch/
  • 165 PPI
  • 143 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for RS75, N721.
SpecificationRS75N721
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for RS75, N721.
SpecificationRS75N721
Processor CPU
  • 1.0 GHz
Unknown
General specs
General specs — specifications for RS75, N721.
SpecificationRS75N721
Release date
  • 2013
  • 2011
Colors
  • Black
  • Black
Battery life
  • Stand by time- Up to 120 h Talking time- Up to 6 h
  • Stand by time- Up to 250 h Talking time- Up to 4 h 10 min
Communication and Connectivity
Communication and Connectivity — specifications for RS75, N721.
SpecificationRS75N721
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • 2.1
Harmful irradiation Unknown
  • SAR EU - 0.73 W/kg (head)
Music and Audio
Music and Audio — specifications for RS75, N721.
SpecificationRS75N721
Radio
  • FM radio
Unknown
Other features
Other features — specifications for RS75, N721.
SpecificationRS75N721
Dop
  • Sensors Accelerometer
  • proximity - IP67 dust/water resistant (up to 1m for 30 mins) -Flashlight
  • Sensors Accelerometer MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input