Nokia 6121 classic vs vivo X9 Plus

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: 110 g lighter

    6121 classic:
    89 g
    X9 Plus:
    199 g
  • Width

    6121 classic: 33 mm narrower

    6121 classic:
    46 mm
    X9 Plus:
    79 mm
  • Screen diagonal

    6121 classic: 3.88 in smaller diagonal

    6121 classic:
    2 in
    X9 Plus:
    5.88 in
  • Depth

    X9 Plus: 7.5 mm thinner

    6121 classic:
    15 mm
    X9 Plus:
    7.5 mm
  • Height

    6121 classic: 57 mm shorter

    6121 classic:
    105 mm
    X9 Plus:
    162 mm
  • Release year

    6121 classic:
    2007
    X9 Plus:
    2016

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. 6121 classic

    Height:
    105 mm
    Width:
    46 mm
    Depth:
    15 mm +7.5 mm versus X9 Plus
  2. 2. X9 Plus

    Height:
    162 mm +57 mm versus 6121 classic
    Width:
    79 mm +33 mm versus 6121 classic
    Depth:
    7.5 mm

Weight

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

  1. 1. 6121 classic

    89 g

  2. 2. X9 Plus

    199 g

    +110 g versus 6121 classic

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. 6121 classic

    Screen diagonal:
    2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    12.4 cm²
  2. 2. X9 Plus

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

X9 Plus has approximately 669.5% 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 6121 classic, X9 Plus, compared at the same storage capacity.
Storage6121 classicX9 Plus
64 GB Unknown 6 GB RAM
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. 6121 classic

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

2. X9 Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. 6121 classic

    890 mAh

  2. 2. X9 Plus

    4000 mAh

    +3110 mAh versus 6121 classic

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. 6121 classic2. X9 Plus

Everyday essentials
Everyday essentials — specifications for 6121 classic, X9 Plus.
Specification6121 classicX9 Plus
Dimensions (HxWxD)
  • 105 Х 46 Х 15 mm
  • 162 Х 79 Х 7.5 mm
Weight
  • 89 g
  • 199 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2" inch
  • 5.88" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 MB
  • 64 MB RAM
  • 128 MB ROM
  • 64 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 8 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 890 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Symbian 9.2
  • S60 rel. 3.1
  • Android 6.1 (Marshmallow)
  • upgradable to Android 8 (Oreo); Funtouch 3
Chipset Unknown
  • Qualcomm MSM8976 Pro Snapdragon 653 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for 6121 classic, X9 Plus.
Specification6121 classicX9 Plus
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 95.3 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 25.6%
  • 74.5%
PPI /points per inch/
  • 200 PPI
  • 375 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for 6121 classic, X9 Plus.
Specification6121 classicX9 Plus
Rear camera, main
  • 2 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 2 MP
  • 16 MP
  • PDAF
  • f/2.0
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 320p
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 20 MP
  • Dual
Specifications
  • VGA videocall camera
  • 20 MP
  • f/2.0
  • 1/2.8'' 8 MP
Performance

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

Performance — specifications for 6121 classic, X9 Plus.
Specification6121 classicX9 Plus
Processor CPU
  • 369 MHz ARM 11
  • Octa-core (4x1.95 GHz Cortex-A72 & 4x1.44 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Adreno 510
Antutu 7 score * Unknown
  • 105322
GeekBench 4 Single Core * Unknown
  • 1430
GeekBench 4 Multi-Core * Unknown
  • 4466
GeekBench 4 RenderScript * Unknown
  • 4483
GeekBench 5 Single Core * Unknown
  • 291
GeekBench 5 Multi-Core * Unknown
  • 1123
General specs
General specs — specifications for 6121 classic, X9 Plus.
Specification6121 classicX9 Plus
Release date
  • 2007
  • June
  • 2016
  • November
Colors
  • Black
  • Pearl White
  • Pink
  • Sand Gold
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 580 EUR
Battery life
  • Stand by time- Up to 250 h (2G) / 240 h (3G) Talking time- Up to 3 h (2G) / 2 h 24 min (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 6121 classic, X9 Plus.
Specification6121 classicX9 Plus
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO & TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 32
  • Yes
Edge
  • Class 32
  • 296 / 177.6 kbits
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.22 W/kg (head) 1.13 W/kg (body) SAR EU - 1.18 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for 6121 classic, X9 Plus.
Specification6121 classicX9 Plus
Radio
  • Stereo FM radio
  • No
Others
  • Downloadable wallpapers
  • screensavers
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for 6121 classic, X9 Plus.
Specification6121 classicX9 Plus
Dop
  • 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
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging