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BLU Vivo X vs Nokia E51

Compare recorded specifications, size and practical differences.

BLU Vivo X

BLU Vivo X

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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: 88 g lighterE51: 100 g · Vivo X: 188 g
  • WidthE51: 30.8 mm narrowerE51: 46 mm · Vivo X: 76.8 mm
  • Screen diagonalE51: 4 in smaller diagonalE51: 2 in · Vivo X: 6 in
  • Rear camera layoutDual / SingleVivo X: Dual · E51: Single
  • DepthVivo X: 3.8 mm thinnerVivo X: 8.2 mm · E51: 12 mm
  • HeightE51: 45.2 mm shorterE51: 114.8 mm · Vivo X: 160 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
Vivo X: 160 × 76.8 mm 1 E51: 114.8 × 46 mm 2
Side
Vivo X: 160 × 8.2 mm 1 E51: 114.8 × 12 mm 2
  1. 1. Vivo X
    Height
    160 mm+45.2 mm versus E51
    Width
    76.8 mm+30.8 mm versus E51
    Depth
    8.2 mm
    Weight
    188 g
  2. 2. E51
    Height
    114.8 mm
    Width
    46 mm
    Depth
    12 mm+3.8 mm versus Vivo X
    Weight
    100 g
Weight

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

  1. 1. Vivo X188 g

    +88 g versus E51

  2. 2. E51100 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.

Screen size
Vivo X: 6 in, 18:9, About 92.9 cm² rectangular area 1 E51: 2 in, 4:3, About 12.4 cm² rectangular area 2
  1. 1. Vivo X 6 in · 18:9 About 92.9 cm² rectangular area
  2. 2. E51 2 in · 4:3 About 12.4 cm² rectangular area

Vivo X has approximately 650% 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.

Vivo X: Original memory entry

64 GB · 512GB 4GB

E51: Original memory entry

130 MB · 96 MB 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. Vivo X

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSD · up to 64 GB

2. E51

NFC
Unknown
Headphone jack
No
Memory card support
See details microSD · up to 16 GB (dedicated 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. Vivo X4010 mAh

    +2960 mAh versus E51

  2. 2. E511050 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. Vivo X2. E51

Everyday essentials
Everyday essentials
SpecificationVivo XE51
Dimensions (HxWxD)
  • 160 Х 76.8 Х 8.2 mm
  • 114.8 Х 46 Х 12 mm
Weight
  • 188 g
  • 100 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6" inch
  • 2" inch
Screen resolution
  • 720 x 1440 px
  • 240 x 320 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 130 MB
  • 96 MB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 16 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 4010 mAh
  • Non-removable Li-Po
  • 1050 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Mediatek MT6757 Helio P20 (16 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display
SpecificationVivo XE51
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 16M
Screen area
  • 92.9 cm2
  • 12.4 cm2
Screen format
  • 18:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 75.6%
  • 23.5%
PPI /points per inch/
  • 268 PPI
  • 200 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video
SpecificationVivo XE51
Rear camera, main
  • 13 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • 1/3''
  • 1.12µm
  • PDAF -5 MP
  • 1/5''
  • depth sensor
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • 320p@15fps
Front camera, selfie
  • 20 MP
  • Dual
  • 0 MP,
Specifications
  • 20 MP
  • 1/2.78''
  • 1.0µm 8 MP
  • 1/4''
  • 1.12µm
Unknown
Performance
Performance
SpecificationVivo XE51
Processor CPU
  • Octa-core (4x2.6 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
  • 369 MHz ARM 11
Graphics processor GPU
  • Mali-T880MP2
Unknown
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 67152
Unknown
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 845
Unknown
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 3903
Unknown
General specs
General specs
SpecificationVivo XE51
Release date
  • 2018
  • February
  • 2007
  • September
Colors
  • Black
  • Black
  • Silver
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 300 USD
  • 120 EUR
Battery life
  • Stand by time- Up to 750 h (2G) / Up to 700 h (3G) Talking time- Up to 28 h (2G) / Up to 22 h (3G)
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
Communication and Connectivity
Communication and Connectivity
SpecificationVivo XE51
SIM card
  • Hybrid Dual SIM (Micro-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 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 28(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 32
Edge
  • Yes
  • Class 32
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • miniUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head)
Music and Audio
Music and Audio
SpecificationVivo XE51
Radio
  • FM radio
  • FM radio
Others Unknown
  • Five-way scroll key -Downloadable themes
  • 2.5 mm audio jack
Other features
Other features
SpecificationVivo XE51
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • 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