Samsung Galaxy S8 Plus (SM-G955R4) vs OnePlus 9 Pro UW (128GB)
Side by side comparison between Samsung Galaxy S8 Plus vs OnePlus 9 Pro phones, differences, pros, cons and full specifications. What's the better?
,
6.2"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
vs
6.7"
AMOLED
AMOLED
1440x3216
48
MP
MP
16mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? OnePlus 9 Pro UW (128GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
13 Advantages 
21 Advantages | 24 Common items in both devices |
| Aluminum frame, glass front/back |
| Super AMOLED / Fluid AMOLED |
| Only digital zoom |
| PDAF on back camera and autofocus front camera / LDAF/PDAF: laser/phase detection autofocus |
| OIS: Optical stabilization |
| HDR photo/video on both cameras |
| Capacitive |
| +17 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| Model | Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) |
| Other model names | US Cellular Galaxy S8+ G955R4 (Snapdragon), Samsung Dream 2 | OnePlus 9 Pro 5G LE2121 (T-Mobile) UltraWideband |
| Country or region available |  USA | USA |
| Brand | Samsung | OnePlus |
| Release date | 4/21/2017, Announced: 3/29/2017 | 3/30/2021, Announced: 3/23/2021 |
| Depth | 8.1 millimeters (0.32 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 73.4 x 160 millimeters (2.89 x 6.3 in) | 73.6 x 163.2 millimeters (2.9 x 6.43 in) |
| Weight | 173 grams (6.06 ounces) | 197 grams (6.9 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| Display type | Super AMOLED | Fluid AMOLED |
| Screen size | 6.2" inches | 6.7" inches |
| Screen-to-body ratio | ~83.1% (screen-to-body ratio) | ~89.9% (screen-to-body ratio) |
| Display resolution | 1440x2960 pixels (18.5:9) | 1440x3216 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 531 PPI | 526 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 5 |
| Refresh rate | 60Hz | 120Hz |
| Display features | HDR10 | 1300nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| System version | Android 7.0 Nougat | Android 11 |
| Firmware update | Android 9.0 Pie | Android 13 |
| User Interface | feature not registered | OxygenOS 13 |
⚙️ Processor | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm) | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Octa-core, 2 processors: 4x 2.35GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 540 (670-710MHz) | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| RAM memory | 4GB LPDDR4 | 8GB LPDDR5 |
| Internal storage | 64GB (51GB available) UFS 2.0 | 128GB (101GB available) UFS 3.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 1024/150 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 EV-DO UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1800/1900/2100 |
| Primary 4G network | LTE Cat16 (2,4,5,8,12,13,18,19,25) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 2, 3, 7, 25, 28, 41, 66, 71, 78) mmWave (258, 260, 261) |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| Back camera (main camera) | 12.2 megapixels | (quad camera) 48 megapixels 8MP telephoto f/2.477mm1.0µmPDAFOIS3.3x-optical-zoom 50MP ultrawide f/2.214mm1/1.56"1.0µmAF 2MP monochrome f/2.4 |
| Main camera resolution | 4032x3024 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 23mm lens |
| Sensor size | 1/2.55" inches | 1/1.43" inches |
| Pixel size | 1.4µm pixel | 1.12µm pixel |
| Autofocus | PDAF on back camera and autofocus front camera | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@30/60/120fps 1080p@30/60/240fps Hasselblad Color Calibration Sony IMX689, IMX766. IMX471 sensor |
📸 Front camera | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| Front camera (secondary) | 8 megapixels | 16 megapixels |
| Front camera resolution | 3264x2448 pixels | 4608x3456 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/2.4 (aperture) |
| Focal length | 25mm lens | feature not registered |
| Sensor size | 1/3.6" inches | 1/3.06" inches |
| Pixel size | 1.22µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3500 mAh | 4500 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging Quick Charge 2 | 65W (10V/6.5A) Wired fast charging USB Power Delivery 1.0 |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | 50W Qi Wireless charging (Qi/WPC) |
| Talk time autonomy | 34 hours (1.4 days) | feature not registered |
| Standby | 343 hours (14.3 days) | feature not registered |
➕ Other features | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Silver, Blue, Gold, Orchid Gray • Samsung DeX (desktop experience) • Curved edge screen • Corning Gorilla Glass 5 back panel • Samsung Gear VR compatible • Samsung Pay • 32bit/192kHz audio | • Colors: Stellar Black, Morning Mist, Pine Green |
☢️ Radiation rate | ||
| Galaxy S8 Plus (SM-G955R4) | OnePlus 9 Pro UW (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |