OnePlus 8 vs Samsung Galaxy M20

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

    8: 6 g lighter

    8:
    180 g
    Galaxy M20:
    186 g
  • Width

    8: 1.6 mm narrower

    8:
    72.9 mm
    Galaxy M20:
    74.5 mm
  • Screen diagonal

    Galaxy M20: 0.25 in smaller diagonal

    8:
    6.55 in
    Galaxy M20:
    6.3 in
  • Chipset

    8:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
    Galaxy M20:
    Exynos 7904 Octa (14 nm)
  • Rear camera layout

    8:
    Triple
    Galaxy M20:
    Dual
  • Depth

    8: 0.8 mm thinner

    8:
    8 mm
    Galaxy M20:
    8.8 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.

  1. 1. 8

    Height:
    160.2 mm +3.8 mm versus Galaxy M20
    Width:
    72.9 mm
    Depth:
    8 mm
  2. 2. Galaxy M20

    Height:
    156.4 mm
    Width:
    74.5 mm +1.6 mm versus 8
    Depth:
    8.8 mm +0.8 mm versus 8

Weight

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

  1. 1. 8

    180 g

  2. 2. Galaxy M20

    186 g

    +6 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. Galaxy M20

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²

8 has approximately 6.3% more rectangular screen area than Galaxy M20.

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, Galaxy M20, compared at the same storage capacity.
Storage8Galaxy M20
128 GB 8 GB RAM Unknown
256 GB 12 GB RAM Unknown
Galaxy M20: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB 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. 8

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

2. Galaxy M20

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. 8

    4300 mAh

  2. 2. Galaxy M20

    5000 mAh

    +700 mAh versus 8

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. Galaxy M20

Everyday essentials
Everyday essentials — specifications for 8, Galaxy M20.
Specification8Galaxy M20
Dimensions (HxWxD)
  • 160.2 Х 72.9 Х 8 mm
  • 156.4 Х 74.5 Х 8.8 mm
Weight
  • 180 g
  • 186 g
Technology
  • Fluid AMOLED
  • PLS TFT
Screen size
  • 6.55" inch
  • 6.3" inch
Screen resolution
  • 1080 x 2400 px
  • 1080 x 2340 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
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • No
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4300 mAh
  • Non-removable Li-Po
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 10.0; OxygenOS 10.0
  • Android 8.1 (Oreo); Experience 9.5
Chipset
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Exynos 7904 Octa (14 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for 8, Galaxy M20.
Specification8Galaxy M20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 103.6 cm2
  • 97.4 cm2
Screen format
  • 20:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 88.7%
  • 83.6%
PPI /points per inch/
  • 402 PPI
  • 409 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for 8, Galaxy M20.
Specification8Galaxy M20
Rear camera, main
  • 48 MP
  • Triple
  • 13 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)
  • 13 MP
  • f/1.9
  • 1/2.8''
  • 1.12µm
  • PDAF -5 MP
  • f/2.2
  • 12mm (ultrawide)
  • 1/6"
Functions
  • Auto-HDR
  • HDR
Video
  • 1080p@30fps
  • gyro-EIS
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • (wide)
  • 1/3''
  • 1.0µm
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for 8, Galaxy M20.
Specification8Galaxy M20
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • Octa-core (2x1.8 GHz Kryo 260 Gold & 6x1.6 GHz Kryo 260 Silver)
Graphics processor GPU
  • Adreno 650
  • Mali-G71 MP2
Antutu 7 score * Unknown
  • 109326
GeekBench 5 Single Core * Unknown
  • 263
GeekBench 5 Multi-Core * Unknown
  • 959
General specs
General specs — specifications for 8, Galaxy M20.
Specification8Galaxy M20
Release date
  • 2020
  • April 14
  • 2019
  • January
Colors
  • Onyx Black
  • Glacial Green
  • Interstellar Glow
  • Polar Silver
  • Ocean Blue
  • Charcoal Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 700 EUR
  • 150 EUR
Body build
  • Glass front (Gorilla Glass)
  • glass back (Gorilla Glass)
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 8, Galaxy M20.
Specification8Galaxy M20
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • 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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 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) Cat12 600/50 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 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • SBAS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.1
  • A2DP
  • LE
  • aptX HD
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.25 W/kg (head) 1.59 W/kg (body)
Music and Audio
Music and Audio — specifications for 8, Galaxy M20.
Specification8Galaxy M20
Radio
  • No
  • FM radio
  • RDS
  • recording
Others
  • HDR10+ -90Hz refresh rate
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
Other features
Other features — specifications for 8, Galaxy M20.
Specification8Galaxy M20
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 (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 15W