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Allview V4 Viper Pro vs Nokia 6121 classic

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

      6121 classic: 102.6 g lighter

      V4 Viper Pro:
      191.6 g
      6121 classic:
      89 g

    • Width

      6121 classic: 36 mm narrower

      V4 Viper Pro:
      82 mm
      6121 classic:
      46 mm

    • Screen diagonal

      6121 classic: 4.8 in smaller diagonal

      V4 Viper Pro:
      6.8 in
      6121 classic:
      2 in

    • Depth

      V4 Viper Pro: 6.2 mm thinner

      V4 Viper Pro:
      8.8 mm
      6121 classic:
      15 mm

    • Height

      6121 classic: 66 mm shorter

      V4 Viper Pro:
      171 mm
      6121 classic:
      105 mm

    • Release year

      V4 Viper Pro:
      2020
      6121 classic:
      2007

    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. V4 Viper Pro

      Height:
      171 mm +66 mm versus 6121 classic
      Width:
      82 mm +36 mm versus 6121 classic
      Depth:
      8.8 mm

    2. 2. 6121 classic

      Height:
      105 mm
      Width:
      46 mm
      Depth:
      15 mm +6.2 mm versus V4 Viper Pro

    Weight

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

    1. 1. V4 Viper Pro

      191.6 g

      +102.6 g versus 6121 classic

    2. 2. 6121 classic

      89 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. V4 Viper Pro

      Screen diagonal:
      6.8 in
      Aspect ratio (height:width):
      19:9
      Approximate rectangular screen area:
      115.4 cm²

    2. 2. 6121 classic

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

    V4 Viper Pro has approximately 831.7% more rectangular screen area than 6121 classic.

    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.

    Recorded RAM for V4 Viper Pro, 6121 classic, compared at the same storage capacity.
    StorageV4 Viper Pro6121 classic
    32 GB 2 GB RAM Unknown
    6121 classic: Original memory entry

    32 MB · 64 MB RAM · 128 MB ROM

    Practical features

    Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

    1. V4 Viper Pro

    NFC:
    See details Super AMOLED
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 128 GB (uses shared SIM slot)

    2. 6121 classic

    NFC:
    Unknown
    Headphone jack:
    No
    Memory card support:
    See details microSD · up to 8 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. V4 Viper Pro

      3500 mAh

      +2610 mAh versus 6121 classic

    2. 2. 6121 classic

      890 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. V4 Viper Pro2. 6121 classic

    Everyday essentials
    Everyday essentials — specifications for V4 Viper Pro, 6121 classic.
    SpecificationV4 Viper Pro6121 classic
    Dimensions (HxWxD)
    • 171 Х 82 Х 8.8 mm
    • 105 Х 46 Х 15 mm
    Weight
    • 191.6 g
    • 89 g
    Technology
    • IPS LCD
    • TFT
    Screen size
    • 6.8" inch
    • 2" inch
    Screen resolution
    • 640 x 1352 px
    • 240 x 320 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32GB 2GB RAM
    • 32 MB
    • 64 MB RAM
    • 128 MB ROM
    Memory card support
    • microSD
    • up to 128 GB (uses shared SIM slot)
    • microSD
    • up to 8 GB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 3500 mAh
    • Non-removable Li-Po
    • 890 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 9.0 (Pie)
    • Symbian 9.2
    • S60 rel. 3.1
    Chipset
    • Mediatek MT6739 (28 nm)
    		 Unknown
    NFC
    • Super AMOLED
    		 Unknown
    Headphone jack
    • Yes
    • No
    Display
    Display — specifications for V4 Viper Pro, 6121 classic.
    SpecificationV4 Viper Pro6121 classic
    Touchscreen
    • capacitive touchscreen
    		 Unknown
    Display colors
    • 16M
    • 16M
    Screen area
    • 115.4 cm2
    • 12.4 cm2
    Screen format
    • 19:9 (height:width)
    • 4:3 (height:width)
    Screen to body ratio
    • 82.3%
    • 25.6%
    PPI /points per inch/
    • 220 PPI
    • 200 PPI
    Camera and Video
    Camera and Video — specifications for V4 Viper Pro, 6121 classic.
    SpecificationV4 Viper Pro6121 classic
    Rear camera, main
    • 13 MP
    • Dual-LED flash
    • 2 MP
    • Single
    Camera specs
    • 13 MP
    • AF -0.3 MP
    • (ultrawide/depth sensor)
    • 2 MP
    Functions
    • Dual-LED flash
    • LED flash
    Video
    • 1080p@30fps
    • 320p
    Front camera, selfie
    • 8 MP
    • Single
    • 0.3 MP
    • Single
    Specifications
    • 8 MP
    • VGA videocall camera
    Performance
    Performance — specifications for V4 Viper Pro, 6121 classic.
    SpecificationV4 Viper Pro6121 classic
    Processor CPU
    • Quad-core 1.3 GHz Cortex-A53
    • 369 MHz ARM 11
    Graphics processor GPU
    • PowerVR GE8100
    		 Unknown
    General specs
    General specs — specifications for V4 Viper Pro, 6121 classic.
    SpecificationV4 Viper Pro6121 classic
    Release date
    • 2020
    • January
    • 2007
    • June
    Colors
    • Dark Grey
    • Black
    • Pearl White
    • Pink
    • Sand Gold
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 170 EUR
    • 180 EUR
    Battery life Unknown
    • Stand by time- Up to 250 h (2G) / 240 h (3G) Talking time- Up to 3 h (2G) / 2 h 24 min (3G)
    Communication and Connectivity
    Communication and Connectivity — specifications for V4 Viper Pro, 6121 classic.
    SpecificationV4 Viper Pro6121 classic
    SIM card
    • Dual SIM (Nano-SIM
    • dual stand-by)
    • Mini-SIM
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
    • 3(1800)
    • 7(2600)
    • 20(800)
    • 38(2600)
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
    Speed
    • HSPA 21.1/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    • HSPA 3.6/0.384 Mbps
    GPRS
    • Yes
    • Class 32
    Edge
    • Yes
    • Class 32
    • 296 / 177.6 kbits
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • No
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • No
    USB
    • microUSB 2.0
    • miniUSB
    Bluetooth
    • 4.0
    • A2DP
    • 2.0
    • A2DP
    Harmful irradiation
    • SAR EU - 1.20 W/kg (head)
    • SAR - 1.22 W/kg (head) 1.13 W/kg (body) SAR EU - 1.18 W/kg (head)
    Music and Audio
    Music and Audio — specifications for V4 Viper Pro, 6121 classic.
    SpecificationV4 Viper Pro6121 classic
    Radio
    • FM radio
    • Stereo FM radio
    Others Unknown
    • Downloadable wallpapers
    • screensavers
    Other features
    Other features — specifications for V4 Viper Pro, 6121 classic.
    SpecificationV4 Viper Pro6121 classic
    Dop
    • Sensors Fingerprint (rear-mounted)
    • Sensors Accelerometer
    • proximity - Battery charging 10W - For Europe
    • Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
    • Excel
    • PowerPoint
    • PDF) -Voice memo/dial -Predictive text input -Organizer

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