verykool s3501 Lynx vs ZTE V821

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

    s3501 Lynx: 31.5 g lighter

    s3501 Lynx:
    88.5 g
    V821:
    120 g
  • Width

    V821: 3.7 mm narrower

    s3501 Lynx:
    60.2 mm
    V821:
    56.5 mm
  • Chipset

    s3501 Lynx:
    Mediatek MT6571 (28 nm)
    V821:
    Mediatek MT6516
  • Depth

    V821: 0.7 mm thinner

    s3501 Lynx:
    12.5 mm
    V821:
    11.8 mm
  • Height

    s3501 Lynx: 2.6 mm shorter

    s3501 Lynx:
    113.4 mm
    V821:
    116 mm
  • Release year

    s3501 Lynx:
    2014
    V821:
    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. s3501 Lynx

    Height:
    113.4 mm
    Width:
    60.2 mm +3.7 mm versus V821
    Depth:
    12.5 mm +0.7 mm versus V821
  2. 2. V821

    Height:
    116 mm +2.6 mm versus s3501 Lynx
    Width:
    56.5 mm
    Depth:
    11.8 mm

Weight

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

  1. 1. s3501 Lynx

    88.5 g

  2. 2. V821

    120 g

    +31.5 g versus s3501 Lynx

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. s3501 Lynx

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. V821

    V821: Screen geometry unavailable or conflicting.

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.

s3501 Lynx: Original memory entry

512 MB · 256 MB RAM

V821: Original memory entry

256 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. s3501 Lynx

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

2. V821

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. s3501 Lynx2. V821

Everyday essentials
Everyday essentials — specifications for s3501 Lynx, V821.
Specifications3501 LynxV821
Dimensions (HxWxD)
  • 113.4 Х 60.2 Х 12.5 mm
  • 116 Х 56.5 Х 11.8 mm
Weight
  • 88.5 g
  • 120 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 0" inch
Screen resolution
  • 320 x 480 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 256 MB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1000 mAh
  • Li-Ion
  • 0 mAh,
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 2.2 (Froyo)
Chipset
  • Mediatek MT6571 (28 nm)
  • Mediatek MT6516
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for s3501 Lynx, V821.
Specifications3501 LynxV821
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 256K
  • 65K
Screen area
  • 36.5 cm2
Unknown
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 53.4%
Unknown
PPI /points per inch/
  • 165 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for s3501 Lynx, V821.
Specifications3501 LynxV821
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for s3501 Lynx, V821.
Specifications3501 LynxV821
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • 416 MHz
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for s3501 Lynx, V821.
Specifications3501 LynxV821
Release date
  • 2014
  • November
  • 2011
  • June
Colors
  • Yellow
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 220 EUR
Battery life
  • Stand by time- Up to 120 h (3G) Talking time- Up to 3 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for s3501 Lynx, V821.
Specifications3501 LynxV821
SIM card
  • Dual SIM (Mini-SIM/ Micro-SIM)
  • Dual SIM (Mini-SIM)
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for s3501 Lynx, V821.
Specifications3501 LynxV821
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for s3501 Lynx, V821.
Specifications3501 LynxV821
Dop
  • Sensors Accelerometer
  • MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input