verykool s3501 Lynx vs Xiaomi Redmi 4X

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: 61.5 g lighter

    s3501 Lynx:
    88.5 g
    Redmi 4X:
    150 g
  • Width

    s3501 Lynx: 9.8 mm narrower

    s3501 Lynx:
    60.2 mm
    Redmi 4X:
    70 mm
  • Screen diagonal

    s3501 Lynx: 1.5 in smaller diagonal

    s3501 Lynx:
    3.5 in
    Redmi 4X:
    5 in
  • Chipset

    s3501 Lynx:
    Mediatek MT6571 (28 nm)
    Redmi 4X:
    Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • Depth

    Redmi 4X: 3.8 mm thinner

    s3501 Lynx:
    12.5 mm
    Redmi 4X:
    8.7 mm
  • Height

    s3501 Lynx: 25.8 mm shorter

    s3501 Lynx:
    113.4 mm
    Redmi 4X:
    139.2 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. s3501 Lynx

    Height:
    113.4 mm
    Width:
    60.2 mm
    Depth:
    12.5 mm +3.8 mm versus Redmi 4X
  2. 2. Redmi 4X

    Height:
    139.2 mm +25.8 mm versus s3501 Lynx
    Width:
    70 mm +9.8 mm versus s3501 Lynx
    Depth:
    8.7 mm

Weight

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

  1. 1. s3501 Lynx

    88.5 g

  2. 2. Redmi 4X

    150 g

    +61.5 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.

  1. 1. s3501 Lynx

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. Redmi 4X

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

Redmi 4X has approximately 88.9% more rectangular screen area than s3501 Lynx.

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

Redmi 4X: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM 16 GB · 2 GB 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. s3501 Lynx

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

2. Redmi 4X

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 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. s3501 Lynx

    1000 mAh

  2. 2. Redmi 4X

    4100 mAh

    +3100 mAh versus s3501 Lynx

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. Redmi 4X

Everyday essentials
Everyday essentials — specifications for s3501 Lynx, Redmi 4X.
Specifications3501 LynxRedmi 4X
Dimensions (HxWxD)
  • 113.4 Х 60.2 Х 12.5 mm
  • 139.2 Х 70 Х 8.7 mm
Weight
  • 88.5 g
  • 150 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1000 mAh
  • Li-Ion
  • 4100 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6.0.1 (Marshmallow)
  • upgradable to 7.1.2 (Nougat); MIUI 10
Chipset
  • Mediatek MT6571 (28 nm)
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for s3501 Lynx, Redmi 4X.
Specifications3501 LynxRedmi 4X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 36.5 cm2
  • 68.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 53.4%
  • 70.7%
PPI /points per inch/
  • 165 PPI
  • 294 PPI
Screen protection Unknown
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for s3501 Lynx, Redmi 4X.
Specifications3501 LynxRedmi 4X
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • PDAF
  • f/2.0
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for s3501 Lynx, Redmi 4X.
Specifications3501 LynxRedmi 4X
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Adreno 505
Antutu 7 score * Unknown
  • 43670
GeekBench 4 Single Core * Unknown
  • 649
GeekBench 4 Multi-Core * Unknown
  • 2059
GeekBench 4 RenderScript * Unknown
  • 2170
Antutu 8 score * Unknown
  • 71204
GeekBench 5 Single Core * Unknown
  • 124
GeekBench 5 Multi-Core * Unknown
  • 574
General specs
General specs — specifications for s3501 Lynx, Redmi 4X.
Specifications3501 LynxRedmi 4X
Release date
  • 2014
  • November
  • 2017
  • May
Colors
  • Yellow
  • Blue
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 110 EUR
Battery life
  • Stand by time- Up to 120 h (3G) Talking time- Up to 3 h (3G)
  • Stand by time- Up to 432 h (3G) Talking time- Up to 36 h (3G) Music play - Up to 87 h
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for s3501 Lynx, Redmi 4X.
Specifications3501 LynxRedmi 4X
SIM card
  • Dual SIM (Mini-SIM/ Micro-SIM)
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/100 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for s3501 Lynx, Redmi 4X.
Specifications3501 LynxRedmi 4X
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for s3501 Lynx, Redmi 4X.
Specifications3501 LynxRedmi 4X
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Also known as Xiaomi Redmi 4X for China
  • Malaysia
  • Pakistan
  • Indonesia