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.
VS
Head to head
| OnePlus 8 | Samsung Galaxy S20 | |
|---|---|---|
| Price | $90 | $141 |
| Our rating | 8/10 | 8/10 |
| Battery | 4,300 mAh | 4,000 mAh |
| Wired charging | 30W | 25W |
| Storage (max) | 256 GB | 128 GB |
| Screen size | 6.55 in | 6.2 in |
| Refresh rate | 90 Hz | 120 Hz |
| Main camera | 48 MP | 64 MP |
| Weight (lower is lighter) | 180 g | 163 g |
| Released | Apr 2020 | Mar 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 8 | Samsung Galaxy S20 | |
|---|---|---|
| Type | Fluid AMOLED, 90Hz, HDR10+ | Dynamic AMOLED 2X, 120Hz, HDR10+ |
| Size | 6.55 inches, 103.6 cm2 (~86.5% screen-to-body ratio) | 6.2 inches, 93.8 cm2 (~89.5% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~402 ppi density) | 1440 x 3200 pixels, 20:9 ratio (~563 ppi density) |
| Protection | Corning 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 8 | Samsung Galaxy S20 | |
|---|---|---|
| OS | Android 10, upgradable to Android 13, OxygenOS 13 | Android 10, upgradable to Android 13, One UI 5 |
| Chipset | Qualcomm Snapdragon 865 5G (7 nm+) | — |
| CPU | Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) | — |
| GPU | Adreno 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 8 | Samsung Galaxy S20 | |
|---|---|---|
| RAM | 8GB or 12GB LPDDR4X RAM | 8GB or 12GB LPDDR5 |
| Storage | 128GB or 256GB UFS 3.0 2-LANE | — |
| Card slot | No | — |
| Internal Storage | — | 128GB UFS 3.0 |
| Card Slot | — | microSDXC (uses shared SIM slot) |
Main Camera
| OnePlus 8 | Samsung Galaxy S20 | |
|---|---|---|
| Triple | 48 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 |
| Features | Dual-LED flash, HDR, panorama | LED flash, auto-HDR, panorama |
| Video | 4K@30/60fps, 1080p@30/60/240fps, 720p@480fps, Auto HDR, gyro-EIS | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, OIS, gyro-EIS |
Selfie Camera
| OnePlus 8 | Samsung Galaxy S20 | |
|---|---|---|
| Single | 16 MP, f/2.45, (wide), 1/3.06", 1.0µm | 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF |
| Features | Auto-HDR | Dual video call, Auto-HDR |
| Video | 1080p@30fps, gyro-EIS | 4K@30/60fps, 1080p@30fps |
Battery
| OnePlus 8 | Samsung Galaxy S20 | |
|---|---|---|
| Type | Li-Po 4300 mAh, non-removable | Li-Po 4000 mAh, non-removable |
| Charging | 30W wired (Warp Charge 30T, 0-70% in 30 min) | 25W wired (PD3.0), 15W wireless (Qi/PMA), 4.5W reverse wireless |
| Wireless Charging | No | — |
Body
| OnePlus 8 | Samsung Galaxy S20 | |
|---|---|---|
| Dimensions | 160.2 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) |
| Weight | 180 g (6.35 oz) | 163 g (5.75 oz) |
| Build | Glass front (Gorilla Glass), glass back (Gorilla Glass), aluminum frame | Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame |
| SIM | Dual 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 8 | Samsung Galaxy S20 | |
|---|---|---|
| WLAN | 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/6, dual-band, Wi-Fi Direct |
| Bluetooth | 5.1, A2DP, LE, aptX HD | 5.0, A2DP, LE |
| Positioning | GPS (L1+L5 Dual Band), GLONASS, Galileo (E1+E5a Dual Band), Beidou, SBAS, A-GPS | GPS, GLONASS, BDS, GALILEO |
| NFC | Yes | Yes |
| Radio | No | FM radio (Snapdragon model only) |
| USB | USB Type-C 3.1, OTG | USB Type-C 3.2, OTG |
Launch
| OnePlus 8 | Samsung Galaxy S20 | |
|---|---|---|
| Announced | April 14, 2020 | 2020, February 11 |
| Status | Released. 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.

