OnePlus 6 (128GB) vs Samsung Galaxy M51 (SM-M515F/DSN)
Side by side comparison between OnePlus 6 vs Samsung Galaxy M51 phones, differences, pros, cons and full specifications. What's the better?
,
6.28"
AMOLED
AMOLED
1080x2280
16
MP
MP
16mp
8GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
vs
6.7"
AMOLED
AMOLED
1080x2340
64
MP
MP
32mp
6GB
RAM
RAM
Octa-core
7000
mAh
mAh
(Non removable)
What's the better phone? OnePlus 6 (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!
12 Advantages 
10 Advantages | 32 Common items in both devices |
| 128GB (115GB available) / 128GB (106GB available) |
| Optic AMOLED / Super AMOLED Plus |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| 4K UHD (3840x2160) |
| +25 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 | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| Model | OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) |
| Other model names | OnePlus 6 A6000, OnePlus 6 A6003, One Plus 6 (8GB RAM) | Samsung Galaxy M51 SM-M515F/DSN (6GB RAM) |
| Country or region available |  (Global, International) |  (Europe), (Global, International) |
| Brand | OnePlus | Samsung |
| Release date | 5/22/2018 | 9/11/2020 |
| Depth | 7.8 millimeters (0.31 inches) | 9.5 millimeters (0.37 inches) |
| Size (width x height) | 75.4 x 155.7 millimeters (2.97 x 6.13 in) | 76.3 x 163.9 millimeters (3 x 6.45 in) |
| Weight | 177 grams (6.2 ounces) | 213 grams (7.46 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| Display type | Optic AMOLED | Super AMOLED Plus |
| Screen size | 6.28" inches | 6.7" inches |
| Screen-to-body ratio | ~83.8% (screen-to-body ratio) | ~88.1% (screen-to-body ratio) |
| Display resolution | 1080x2280 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 402 PPI | 385 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| System version | Android 8.1 Oreo | Android 10 |
| Firmware update | Android 10 | Android 11 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm) |
| CPU | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 630 | Qualcomm Adreno 618 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| RAM memory | 8GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 128GB (115GB available) | 128GB (106GB available) eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 1024/150 Mbps | 400/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| 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 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat16 A6000 version (India, Asia, China): LTE (Bands 1,2,3,4,5,7,8,12,17,18,19,20,25,26,28,29,66) TD-LTE (Bands 34,38,39,40,41) A6003 version (Europe, North America): LTE (Bands 1,2,3,4,5,7,8,12,17,18,19,20,25,26,28,29,30,32,66,71) TD-LTE (Bands 34,38,39,40,41) | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| Back camera (main camera) | (dual camera) 16 megapixels 20MP wide f/1.71/2.8"25mm1.0µmPDAF | (quad camera) 64 megapixels 12MP ultrawide f/2.2123° 5MP macro f/2.4 5MP depth f/2.4 |
| Main camera resolution | 4608x3456 pixels | 10120x6328 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
| Focal length | 27mm (lens) | 26mm (lens) |
| Sensor size | 1/2.6" inches | 1/1.73" inches |
| Pixel size | 1.22µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| Front camera (secondary) | 16 megapixels | 32 megapixels |
| Front camera resolution | 4608x3456 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | 20mm (lens) | 26mm (lens) |
| Sensor size | 1/3" inches | 1/2.8" inches |
| Pixel size | 1µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 7000 mAh |
| Charger, watts | 20W (5V/4A) Wired fast charging | 25W Wired fast charging Reverse charging by cable |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 64 hours (2.7 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| 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: Midnight Black, Mirror Black, Silk White • 2.5D Gorilla Glass 5 • Screen protector pre-applied • Oxygen OS • Dirac HD sound • Dash Charge • Sony IMX 519 back camera • Sony IMX 371 front camera | • Colors: Celestial Black, Electric Blue • One UI 2.1, 3.1 |
☢️ Radiation rate | ||
| OnePlus 6 (128GB) | Galaxy M51 (SM-M515F/DSN) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.609W/kg (head), 1.446W/kg (body) |