Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB) vs OnePlus 9 Pro UW (128GB)
Side by side comparison between Samsung Galaxy M31 vs OnePlus 9 Pro phones, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
1080x2340
64
MP
MP
32mp
8GB
RAM
RAM
Octa-core
6000
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!
8 Advantages 
28 Advantages | 18 Common items in both devices |
| 128GB (108GB available) / 128GB (101GB available) |
| Super AMOLED / Fluid AMOLED |
| Only digital zoom |
| PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus |
| HDR photo on both cameras / HDR photo/video on both cameras |
| f/1.8 (aperture) |
| Capacitive |
| +11 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 M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| Model | Galaxy M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) |
| Other model names | Galaxy M315F/Dual-Sim (128GB + 8GB RAM) | OnePlus 9 Pro 5G LE2121 (T-Mobile) UltraWideband |
| Country or region available |  India |  USA |
| Brand | Samsung | OnePlus |
| Release date | 3/5/2020, Announced: 2/25/2020 | 3/30/2021, Announced: 3/23/2021 |
| Depth | 8.9 millimeters (0.35 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 75.1 x 159.2 millimeters (2.96 x 6.27 in) | 73.6 x 163.2 millimeters (2.9 x 6.43 in) |
| Weight | 191 grams (6.69 ounces) | 197 grams (6.9 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| Display type | Super AMOLED | Fluid AMOLED |
| Screen size | 6.4" inches | 6.7" inches |
| Screen-to-body ratio | ~84.1% (screen-to-body ratio) | ~89.9% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1440x3216 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 526 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 5 |
| Refresh rate | 60Hz | 120Hz |
| Display features | 420nits[peak] | 1300nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| System version | Android 10 | Android 11 |
| Firmware update | Android 11 | Android 13 |
| User Interface | feature not registered | OxygenOS 13 |
⚙️ Processor | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| Chipset | 64bit: Samsung Exynos 9611 (10nm) | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (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 | ARM Mali-G72 MP3 (850MHz) | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| RAM memory | 8GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 128GB (108GB available) UFS 2.1 | 128GB (101GB available) UFS 3.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 600/150 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 | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1800/1900/2100 |
| Primary 4G network | LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | 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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, 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 | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| Back camera (main camera) | (quad camera) 64 megapixels 8MP ultrawide f/2.212mm1/4.0"1.12µm 5MP macro f/2.425mm1/5.0"1.12µm 5MP depth f/2.2 | (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 | 10120x6328 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/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 23mm lens |
| Sensor size | 1/1.72" inches | 1/1.43" inches |
| Pixel size | 0.8µm pixel | 1.12µm pixel |
| Autofocus | PDAF: phase detection autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo 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 M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| Front camera (secondary) | 32 megapixels | 16 megapixels |
| Front camera resolution | 6528x4896 pixels | 4608x3456 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.4 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2.8" inches | 1/3.06" inches |
| Pixel size | 0.8µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | 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 (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| USB | USB 2.0 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 | Not supported | 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 | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 6000 mAh | 4500 mAh |
| Charger, watts | 15W Wired fast charging | 65W (10V/6.5A) Wired fast charging USB Power Delivery 1.0 |
| Inductive / wireless charging | Not supported | 50W Qi Wireless charging (Qi/WPC) |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | 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: Ocean Blue, Space Black, Red • One UI 2.0, 3.1 | • Colors: Stellar Black, Morning Mist, Pine Green |
☢️ Radiation rate | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | OnePlus 9 Pro UW (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.52W/kg (head), 0.69W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.482W/kg (head), 1.127W/kg (body) | feature not registered |