Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB) vs Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM)
Side by side comparison between Samsung Galaxy M31 vs Samsung Galaxy M51 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
1080x2340
64
MP
MP
32mp
8GB
RAM
RAM
Octa-core
7000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)
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!
7 Advantages 
7 Advantages | 36 Common items in both devices |
| 8GB LPDDR4X |
| 128GB (108GB available) / 128GB (106GB available) |
| Until 1TB microSD, microSDXC |
| Plastic body, glass front |
| Super AMOLED / Super AMOLED Plus |
| 60Hz |
| 16 million |
| +29 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) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Model | Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) |
| Other model names | Galaxy M315F/Dual-Sim (128GB + 8GB RAM) | Samsung Galaxy M51 SM-M515F/DSN (8GB RAM) |
| Country or region available |  India |   India, Malaysia, Turkey |
| Brand | Samsung | Samsung |
| Release date | 3/5/2020, Announced: 2/25/2020 | 9/11/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 9.5 millimeters (0.37 inches) |
| Size (width x height) | 75.1 x 159.2 millimeters (2.96 x 6.27 in) | 76.3 x 163.9 millimeters (3 x 6.45 in) |
| Weight | 191 grams (6.69 ounces) | 213 grams (7.46 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Display type | Super AMOLED | Super AMOLED Plus |
| Screen size | 6.4" inches | 6.7" inches |
| Screen-to-body ratio | ~84.1% (screen-to-body ratio) | ~88.1% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 385 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | 60Hz | 60Hz |
| Display features | 420nits[peak] | Not supported |
🤖 Operating System | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| System version | Android 10 | Android 10 |
| Firmware update | Android 11 | Android 11 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Chipset | 64bit: Samsung Exynos 9611 (10nm) | 64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (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 | ARM Mali-G72 MP3 (850MHz) | Qualcomm Adreno 618 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| RAM memory | 8GB LPDDR4X | 8GB LPDDR4X |
| Internal storage | 128GB (108GB available) UFS 2.1 | 128GB (106GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | 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 | 600/150 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 | 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 Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | 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, UMTS, 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 | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| 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) 64 megapixels 12MP ultrawide f/2.2123° 5MP macro f/2.4 5MP depth f/2.4 |
| Main camera resolution | 10120x6328 pixels | 10120x6328 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/1.72" inches | 1/1.73" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Front camera (secondary) | 32 megapixels | 32 megapixels |
| Front camera resolution | 6528x4896 pixels | 6528x4896 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2.8" inches | 1/2.8" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | 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 M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | 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 | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 6000 mAh | 7000 mAh |
| Charger, watts | 15W Wired fast charging | 25W Wired fast charging Reverse charging by cable |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 64 hours (2.7 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| 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: Celestial Black, Electric Blue • One UI 2.1, 3.1 |
☢️ Radiation rate | ||
| Galaxy M31 (SM-M315F/DS 128GB/8GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| 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) | 0.609W/kg (head), 1.446W/kg (body) |