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Nokia E51 vs vivo X20 Plus

Compare recorded specifications, size and practical differences.

Nokia E51

Nokia E51

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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.

  • WeightE51: 81.5 g lighterE51: 100 g · X20 Plus: 181.5 g
  • WidthE51: 34.1 mm narrowerE51: 46 mm · X20 Plus: 80.1 mm
  • Screen diagonalE51: 4.43 in smaller diagonalE51: 2 in · X20 Plus: 6.43 in
  • Rear camera layoutSingle / DualE51: Single · X20 Plus: Dual
  • DepthX20 Plus: 4.5 mm thinnerX20 Plus: 7.5 mm · E51: 12 mm
  • HeightE51: 50.5 mm shorterE51: 114.8 mm · X20 Plus: 165.3 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.

Front
E51: 114.8 × 46 mm 1 X20 Plus: 165.3 × 80.1 mm 2
Side
E51: 114.8 × 12 mm 1 X20 Plus: 165.3 × 7.5 mm 2
  1. 1. E51
    Height
    114.8 mm
    Width
    46 mm
    Depth
    12 mm+4.5 mm versus X20 Plus
    Weight
    100 g
  2. 2. X20 Plus
    Height
    165.3 mm+50.5 mm versus E51
    Width
    80.1 mm+34.1 mm versus E51
    Depth
    7.5 mm
    Weight
    181.5 g
Weight

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

  1. 1. E51100 g
  2. 2. X20 Plus181.5 g

    +81.5 g versus E51

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.

Screen size
E51: 2 in, 4:3, About 12.4 cm² rectangular area 1 X20 Plus: 6.43 in, 18:9, About 106.7 cm² rectangular area 2
  1. 1. E51 2 in · 4:3 About 12.4 cm² rectangular area
  2. 2. X20 Plus 6.43 in · 18:9 About 106.7 cm² rectangular area

X20 Plus has approximately 761.4% more rectangular screen area than E51.

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.

E51: Original memory entry

130 MB · 96 MB RAM

X20 Plus: Original memory entry

64 GB · 512GB 4GB

Practical features

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

1. E51

NFC
Unknown
Headphone jack
No
Memory card support
See details microSD · up to 16 GB (dedicated slot)

2. X20 Plus

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSD · up to 256 GB (uses SIM 2 slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

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

  1. 1. E511050 mAh
  2. 2. X20 Plus3900 mAh

    +2850 mAh versus E51

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. E512. X20 Plus

Everyday essentials
Everyday essentials
SpecificationE51X20 Plus
Dimensions (HxWxD)
  • 114.8 Х 46 Х 12 mm
  • 165.3 Х 80.1 Х 7.5 mm
Weight
  • 100 g
  • 181.5 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2" inch
  • 6.43" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2160 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 130 MB
  • 96 MB RAM
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 3900 mAh
  • Non-removable Li-Ion
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8.0 (Oreo); Funtouch 3.2
Chipset Unknown
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • No
  • Yes
Display
Display
SpecificationE51X20 Plus
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 106.7 cm2
Screen format
  • 4:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 23.5%
  • 80.6%
PPI /points per inch/
  • 200 PPI
  • 376 PPI
Camera and Video
Camera and Video
SpecificationE51X20 Plus
Rear camera, main
  • 2 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 2 MP
  • 12 MP
  • f/1.8
  • AF -5 MP
  • depth sensor
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • 320p@15fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 12 MP
  • Single
Specifications Unknown
  • 12 MP
  • f/2.0
DxOMark Main ScoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 90
DxOMark PhotoLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 92
DxOMark VideoLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 87
Performance
Performance
SpecificationE51X20 Plus
Processor CPU
  • 369 MHz ARM 11
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU Unknown
  • Adreno 512
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 142568
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 4188
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 11601
General specs
General specs
SpecificationE51X20 Plus
Release date
  • 2007
  • September
  • 2017
  • September
Colors
  • Black
  • Silver
  • Matte Black
  • Gold
  • Rose Gold
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 450 EUR
Battery life
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity
SpecificationE51X20 Plus
SIM card
  • Mini-SIM
  • Hybrid 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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 8(900) - X20A Plus
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
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head)
Unknown
Music and Audio
Music and Audio
SpecificationE51X20 Plus
Radio
  • FM radio
  • No
Others
  • Five-way scroll key -Downloadable themes
  • 2.5 mm audio jack
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features
SpecificationE51X20 Plus
Dop
  • Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) incl. MS Office 2007 support via free update -Predictive text input -Voice command/memo -Organizer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/4.5A