OnePlus 8 vs vivo X20 Plus UD

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.

  • Width

    8: 7.2 mm narrower

    8:
    72.9 mm
    X20 Plus UD:
    80.1 mm
  • Chipset

    8:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
    X20 Plus UD:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    8:
    Triple
    X20 Plus UD:
    Dual
  • Depth

    X20 Plus UD: 0.5 mm thinner

    8:
    8 mm
    X20 Plus UD:
    7.5 mm
  • Height

    X20 Plus UD: 4.9 mm shorter

    8:
    160.2 mm
    X20 Plus UD:
    155.3 mm
  • Release year

    8:
    2020
    X20 Plus UD:
    2018

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. 8

    Height:
    160.2 mm +4.9 mm versus X20 Plus UD
    Width:
    72.9 mm
    Depth:
    8 mm +0.5 mm versus X20 Plus UD
  2. 2. X20 Plus UD

    Height:
    155.3 mm
    Width:
    80.1 mm +7.2 mm versus 8
    Depth:
    7.5 mm

Weight

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

  1. 1. 8

    180 g

  2. 2. X20 Plus UD

    181.5 g

    +1.5 g versus 8

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. 8

    Screen diagonal:
    6.55 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    103.6 cm²
  2. 2. X20 Plus UD

    Screen diagonal:
    6.43 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    106.7 cm²

X20 Plus UD has approximately 3% more rectangular screen area than 8.

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 8, X20 Plus UD, compared at the same storage capacity.
Storage8X20 Plus UD
128 GB 8 GB RAM Unknown
256 GB 12 GB RAM Unknown
X20 Plus UD: Original memory entry

128 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. 8

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

2. X20 Plus UD

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 battery capacity

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

  1. 1. 8

    4300 mAh

    +400 mAh versus X20 Plus UD

  2. 2. X20 Plus UD

    3900 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. 82. X20 Plus UD

Everyday essentials
Everyday essentials — specifications for 8, X20 Plus UD.
Specification8X20 Plus UD
Dimensions (HxWxD)
  • 160.2 Х 72.9 Х 8 mm
  • 155.3 Х 80.1 Х 7.5 mm
Weight
  • 180 g
  • 181.5 g
Technology
  • Fluid AMOLED
  • Super AMOLED
Screen size
  • 6.55" inch
  • 6.43" inch
Screen resolution
  • 1080 x 2400 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 8GB RAM
  • 256GB 12GB RAM
  • 128 GB
  • 512GB 4GB
Memory card support
  • No
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4300 mAh
  • Non-removable Li-Po
  • 3900 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0; OxygenOS 10.0
  • Android 7.1.1 (Nougat); Funtouch 3.2
Chipset
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for 8, X20 Plus UD.
Specification8X20 Plus UD
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 103.6 cm2
  • 106.7 cm2
Screen format
  • 20:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 88.7%
  • 85.8%
PPI /points per inch/
  • 402 PPI
  • 376 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for 8, X20 Plus UD.
Specification8X20 Plus UD
Rear camera, main
  • 48 MP
  • Triple
  • 12 MP
  • Dual
Camera specs
  • 48 MP
  • f/1.8
  • 25mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF
  • OIS -16 MP
  • f/2.2
  • 13mm (ultrawide)
  • PDAF -2 MP
  • f/2.4
  • (macro)
  • 12 MP
  • f/1.8
  • AF -5 MP
  • depth sensor
Functions
  • Auto-HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • gyro-EIS
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 12 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • (wide)
  • 1/3''
  • 1.0µm
  • 12 MP
  • f/2.0
Performance

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

Performance — specifications for 8, X20 Plus UD.
Specification8X20 Plus UD
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Adreno 650
  • Adreno 512
Antutu 7 score * Unknown
  • 142256
General specs
General specs — specifications for 8, X20 Plus UD.
Specification8X20 Plus UD
Release date
  • 2020
  • April 14
  • 2018
  • January
Colors
  • Onyx Black
  • Glacial Green
  • Interstellar Glow
  • Polar Silver
  • Matte Black
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 700 EUR
  • 550 EUR
Body build
  • Glass front (Gorilla Glass)
  • glass back (Gorilla Glass)
  • aluminum frame
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for 8, X20 Plus UD.
Specification8X20 Plus UD
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 42(3500)
  • 46(5200)
  • 66(1700/2100) - EU -5G - 5G band 1(2100)
  • 78(3500); SA/NSA - EU 5G band 2(1900)
  • 66(1700)
  • 71(600); SA/NSA - NA 5G band 78(3500); SA/NSA - IN 5G band 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA - CNmmWave - Verizon exclusive
  • 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)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 Mbps
  • 5G 7.5 Gbps DL
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • SBAS
  • Yes
  • with A-GPS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.1
  • A2DP
  • LE
  • aptX HD
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for 8, X20 Plus UD.
Specification8X20 Plus UD
Radio
  • No
  • No
Others
  • HDR10+ -90Hz refresh rate
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for 8, X20 Plus UD.
Specification8X20 Plus UD
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 30W
  • 50% in 22 min (advertised) - IP68 dust/water resistant (up to 1.5m for 30 mins)
  • Sensors Fingerprint (under display)
  • accelerometer
  • proximity
  • compass - Fast battery charging 5V/4.5A