Samsung Galaxy J7 Max (SM-G615F/DS) vs Samsung Galaxy A31 (SM-A315G/DS 128GB/6GB)
Side by side comparison between Samsung Galaxy J7 Max vs Samsung Galaxy A31 phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
PLS
PLS
1080x1920
13
MP
MP
13mp
4GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
vs
6.4"
AMOLED
AMOLED
1080x2400
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A31 (SM-A315G/DS 128GB/6GB)
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!
6 Advantages 
17 Advantages | 30 Common items in both devices |
| eMMC 5.1 |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| +23 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 J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| Change model | ||
| Model | Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) |
| Other model names | Galaxy J7 Max G615F/Dual-Sim, SM-G615F/DD | Galaxy A31 SM-A315G/Dual-Sim NFC (128GB + 6GB RAM) |
| Country or region available |  India |        Philippines, Hong Kong, Indonesia, Malaysia, Thailand, Taiwan, Vietnam |
| Brand | Samsung | Samsung |
| Release date | 6/1/2017 | 4/27/2020, Announced: 3/24/2020 |
| Depth | 8.1 millimeters (0.32 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 78.8 x 156.7 millimeters (3.1 x 6.17 in) | 73.1 x 159.3 millimeters (2.88 x 6.27 in) |
| Weight | 179 grams (6.27 ounces) | 185 grams (6.48 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| Display type | TFT PLS | Super AMOLED |
| Screen size | 5.7" inches | 6.4" inches |
| Screen-to-body ratio | ~72.5% (screen-to-body ratio) | ~84.9% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 386 PPI | 411 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| System version | Android 7.0 Nougat | Android 10 |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | One UI 2.5 / 3.1 |
⚙️ Processor | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| Chipset | 64bit: MediaTek Helio P25 (MT6757T) (16nm) | 64bit: MediaTek Helio P65 (MT6768) (12nm) |
| CPU | Octa-core, 2 processors: 4x 2.6GHz ARM Cortex-A53 (Quad-core) 4x 1.6GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.7GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | ARM Mali-T880 MP2 (1GHz) | ARM Mali-G52 MC2 (820MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| RAM memory | 4GB LPDDR4 | 6GB LPDDR4X |
| Internal storage | 32GB (23GB available) eMMC 5.1 | 128GB (104GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| 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 | 150/50 Mbps | 150/50 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 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 3, 5, 8, 20) TD-LTE (40) | LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
📷 Camera | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| Back camera (main camera) | 13 megapixels | (quad camera) 48 megapixels 8MP ultrawide f/2.2123°1/4"1.12µm 5MP macro f/2.4 5MP depth f/2.4 |
| Main camera resolution | 4128x3096 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | f/1.7 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | 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 J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| Front camera (secondary) | 13 megapixels | 20 megapixels |
| Front camera resolution | 4128x3096 pixels | 5184x3840 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | f/1.9 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| Loudspeaker | Mono sound (not stereo) | Mono sound (not stereo) |
| Active noise cancellation | 1 microphone | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, MKV, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (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 | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 5000 mAh |
| Charger, watts | Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 20 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| Call control | Voice dialing, Voice recorder | 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, Gold • Smart glow ring (LED notification) | • Colors: Prism Black, Prism Blue, Prism Red, Prism White |
☢️ Radiation rate | ||
| Galaxy J7 Max (SM-G615F/DS) | Galaxy A31 (SM-A315G/DS 128GB/6GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.573W/kg (head), 1.064W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.458W/kg (head), 1.52W/kg (body) | 0.488W/kg (head), 1.68W/kg (body) |