Samsung Galaxy M51 (SM-M515F/DSN) vs Samsung Galaxy Note 20 Ultra 5G (SM-N986U 128GB)
Side by side comparison between Samsung Galaxy M51 vs Samsung Galaxy Note 20 Ultra 5G phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1080x2340
64
MP
MP
32mp
6GB
RAM
RAM
Octa-core
7000
mAh
mAh
(Non removable)
vs
6.9"
AMOLED
AMOLED
1440x3088
108
MP
MP
10mp
12GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Note 20 Ultra 5G (SM-N986U 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!
4 Advantages 
28 Advantages | 25 Common items in both devices |
| 128GB (106GB available) / 128GB (103GB available) |
| Until 1TB microSD, microSDXC |
| Super AMOLED Plus / Dynamic AMOLED |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
| HDR photo on both cameras / HDR photo/video on both cameras |
| +18 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 M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Model | Galaxy M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) |
| Other model names | Samsung Galaxy M51 SM-M515F/DSN (6GB RAM) | Galaxy Note20 Ultra SM-N986U (Snapdragon) - US Carriers |
| Country or region available |   (Europe), (Global, International) |  USA |
| Brand | Samsung | Samsung |
| Release date | 9/11/2020 | 8/21/2020, Announced: 8/5/2020 |
| Depth | 9.5 millimeters (0.37 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 76.3 x 163.9 millimeters (3 x 6.45 in) | 77.2 x 164.8 millimeters (3.04 x 6.49 in) |
| Weight | 213 grams (7.46 ounces) | 208 grams (7.28 ounces) |
| Build, materials | Plastic body, glass front | Stainless steel body, 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 M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Display type | Super AMOLED Plus | Dynamic AMOLED |
| Screen size | 6.7" inches | 6.9" inches |
| Screen-to-body ratio | ~88.1% (screen-to-body ratio) | ~92.5% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1440x3088 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 385 PPI | 494 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass Victus |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 1500nits[peak] HDR10+ Always-On Display 120Hz@FHD 60Hz@QHD |
🤖 Operating System | ||
| Galaxy M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| System version | Android 10 | Android 10 |
| Firmware update | Android 11 | Android 13 |
| User Interface | feature not registered | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| Galaxy M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm) | 64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) | Octa-core, 3 processors: 1x 3.09GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 618 (700MHz) | Qualcomm Adreno 650 (250-646MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 508760 (v8) Geekbench: 2603 (v5.1) GFXBench: 42fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| RAM memory | 6GB LPDDR4X | 12GB LPDDR5 |
| Internal storage | 128GB (106GB available) eMMC 5.1 | 128GB (103GB available) UFS 3.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 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 | 400/50 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66) TD-LTE (38, 39, 40, 41, 46) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (2, 5, 41, 66, 71) mmWave (260, 261) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, 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 M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Back camera (main camera) | (quad camera) 64 megapixels 12MP ultrawide f/2.2123° 5MP macro f/2.4 5MP depth f/2.4 | (triple camera) 108 megapixels 12MP periscope telephoto f/3.0120mm1.0µmPDAFOIS5x-optical-zoom50x-hybrid-zoom 12MP ultrawide f/2.2120°13mm1/2.55"1.4µm |
| Main camera resolution | 10120x6328 pixels | 12000x9000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/1.73" inches | 1/1.33" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical 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@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| Galaxy M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Front camera (secondary) | 32 megapixels | 10 megapixels |
| Front camera resolution | 6528x4896 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2.8" inches | 1/3.2" inches |
| Pixel size | 0.8µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Galaxy M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| 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 M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 3.2 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 | 5.0 + 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/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 |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 7000 mAh | 4500 mAh |
| Charger, watts | 25W Wired fast charging Reverse charging by cable | 25W Wired fast charging USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
| Talk time autonomy | 64 hours (2.7 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 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: Celestial Black, Electric Blue • One UI 2.1, 3.1 | • Colors: Mystic Black, Mystic Bronze, Mystic White • Ultrasonic fingerprint sensor • Bixby • Samsung Wireless DeX • Samsung Pay (MST, NFC) • Stylus pen (Bluetooth integration) |
☢️ Radiation rate | ||
| Galaxy M51 (SM-M515F/DSN) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.83W/kg (head), 1.04W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.609W/kg (head), 1.446W/kg (body) | feature not registered |