OnePlus 8 vs Samsung Galaxy S20

A spec-by-spec comparison of the OnePlus 8 and the Samsung Galaxy S20, taken from their full specification sheets. Green marks the better value in each measured row.

Head to head

OnePlus 8Samsung Galaxy S20
Price$90$141
Our rating8/108/10
Battery4,300 mAh4,000 mAh
Wired charging30W25W
Storage (max)256 GB128 GB
Screen size6.55 in6.2 in
Refresh rate90 Hz120 Hz
Main camera48 MP64 MP
Weight (lower is lighter)180 g163 g
ReleasedApr 2020Mar 2020
Summary: OnePlus 8 is ahead on battery, wired charging, storage (max), screen size. Samsung Galaxy S20 is ahead on refresh rate, main camera, weight (lower is lighter).
★ Which should you buy? OnePlus 8 is the stronger overall pick on the measured specs.

Display

OnePlus 8Samsung Galaxy S20
TypeFluid AMOLED, 90Hz, HDR10+Dynamic AMOLED 2X, 120Hz, HDR10+
Size6.55 inches, 103.6 cm2 (~86.5% screen-to-body ratio)6.2 inches, 93.8 cm2 (~89.5% screen-to-body ratio)
Resolution1080 x 2400 pixels, 20:9 ratio (~402 ppi density)1440 x 3200 pixels, 20:9 ratio (~563 ppi density)
ProtectionCorning Gorilla Glass (version not specified, but generally 5 or 6 for flagships of that era)Corning Gorilla Glass 6
Features—Always-on display, 120Hz refresh rate available at FHD resolution

Platform

OnePlus 8Samsung Galaxy S20
OSAndroid 10, upgradable to Android 13, OxygenOS 13Android 10, upgradable to Android 13, One UI 5
ChipsetQualcomm Snapdragon 865 5G (7 nm+)—
CPUOcta-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)—
GPUAdreno 650—
Chipset (Global)—Exynos 990 (7 nm+)
Chipset (USA)—Qualcomm Snapdragon 865 5G (7 nm+)
CPU (Global)—Octa-core (2x2.73 GHz Mongoose M5 & 2x2.50 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55)
CPU (USA)—Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)
GPU (Global)—Mali-G77 MP11
GPU (USA)—Adreno 650

Memory

OnePlus 8Samsung Galaxy S20
RAM8GB or 12GB LPDDR4X RAM8GB or 12GB LPDDR5
Storage128GB or 256GB UFS 3.0 2-LANE—
Card slotNo—
Internal Storage—128GB UFS 3.0
Card Slot—microSDXC (uses shared SIM slot)

Main Camera

OnePlus 8Samsung Galaxy S20
Triple48 MP, f/1.75, 25mm (wide), 1/2.0", 0.8µm, PDAF, OIS; 16 MP, f/2.2, 14mm, 116˚ (ultrawide); 2 MP, f/2.4, (macro)12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS; 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 3x hybrid optical zoom; 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, Super Steady video
FeaturesDual-LED flash, HDR, panoramaLED flash, auto-HDR, panorama
Video4K@30/60fps, 1080p@30/60/240fps, 720p@480fps, Auto HDR, gyro-EIS8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, OIS, gyro-EIS

Selfie Camera

OnePlus 8Samsung Galaxy S20
Single16 MP, f/2.45, (wide), 1/3.06", 1.0µm10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF
FeaturesAuto-HDRDual video call, Auto-HDR
Video1080p@30fps, gyro-EIS4K@30/60fps, 1080p@30fps

Battery

OnePlus 8Samsung Galaxy S20
TypeLi-Po 4300 mAh, non-removableLi-Po 4000 mAh, non-removable
Charging30W wired (Warp Charge 30T, 0-70% in 30 min)25W wired (PD3.0), 15W wireless (Qi/PMA), 4.5W reverse wireless
Wireless ChargingNo—

Body

OnePlus 8Samsung Galaxy S20
Dimensions160.2 x 72.9 x 8.0 mm (6.31 x 2.87 x 0.31 in)151.7 x 69.1 x 7.9 mm (5.97 x 2.72 x 0.31 in)
Weight180 g (6.35 oz)163 g (5.75 oz)
BuildGlass front (Gorilla Glass), glass back (Gorilla Glass), aluminum frameGlass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame
SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM and/or eSIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Protection—IP68 dust/water resistant (up to 1.5m for 30 min)

Comms

OnePlus 8Samsung Galaxy S20
WLANWi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, DLNA, hotspotWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth5.1, A2DP, LE, aptX HD5.0, A2DP, LE
PositioningGPS (L1+L5 Dual Band), GLONASS, Galileo (E1+E5a Dual Band), Beidou, SBAS, A-GPSGPS, GLONASS, BDS, GALILEO
NFCYesYes
RadioNoFM radio (Snapdragon model only)
USBUSB Type-C 3.1, OTGUSB Type-C 3.2, OTG

Launch

OnePlus 8Samsung Galaxy S20
AnnouncedApril 14, 20202020, February 11
StatusReleased. Available from April 21, 2020 (Europe), April 29, 2020 (US), May 29, 2020 (India).Available. Released 2020, March 06

Frequently asked questions

Which has the better battery, OnePlus 8 or Samsung Galaxy S20?

OnePlus 8 — 4,300 mAh for the OnePlus 8 versus 4,000 mAh for the Samsung Galaxy S20.

Which has the smoother screen, OnePlus 8 or Samsung Galaxy S20?

Samsung Galaxy S20 — 90 Hz for the OnePlus 8 versus 120 Hz for the Samsung Galaxy S20.

Which is lighter, OnePlus 8 or Samsung Galaxy S20?

Samsung Galaxy S20 — 180 g for the OnePlus 8 versus 163 g for the Samsung Galaxy S20.

Which is newer, OnePlus 8 or Samsung Galaxy S20?

OnePlus 8 — Apr 2020 for the OnePlus 8 versus Mar 2020 for the Samsung Galaxy S20.

Is the OnePlus 8 or the Samsung Galaxy S20 rated higher?

We rate the OnePlus 8 8/10 and the Samsung Galaxy S20 8/10.

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