Samsung Galaxy A31 (SM-A315F/DS 128GB) vs Samsung Galaxy S8 Plus (SM-G955A)
Side by side comparison between Samsung Galaxy A31 vs Samsung Galaxy S8 Plus phones, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
1080x2400
48
MP
MP
20mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.2"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S8 Plus (SM-G955A)
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 
25 Advantages | 31 Common items in both devices |
| 4GB LPDDR4X / 4GB LPDDR4 |
| Until 1TB microSD, microSDXC |
| Super AMOLED |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| +24 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 A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| Model | Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) |
| Other model names | Galaxy A31 SM-A315F/Dual-Sim NFC (128GB + 4GB RAM) | AT&T Galaxy S8+ G955A (Snapdragon), Samsung Dream 2 |
| Country or region available |  (Global, International) |  USA |
| Brand | Samsung | Samsung |
| Release date | 4/27/2020, Announced: 3/24/2020 | 4/21/2017, Announced: 3/29/2017 |
| Depth | 8.6 millimeters (0.34 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 73.1 x 159.3 millimeters (2.88 x 6.27 in) | 73.4 x 160 millimeters (2.89 x 6.3 in) |
| Weight | 185 grams (6.48 ounces) | 173 grams (6.06 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 A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.4" inches | 6.2" inches |
| Screen-to-body ratio | ~84.9% (screen-to-body ratio) | ~83.1% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1440x2960 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 411 PPI | 531 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | HDR10 |
🤖 Operating System | ||
| Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| System version | Android 10 | Android 7.0 Nougat |
| Firmware update | Android 11 | Android 9.0 Pie |
| User Interface | One UI 2.5 / 3.1 | feature not registered |
⚙️ Processor | ||
| Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| Chipset | 64bit: MediaTek Helio P65 (MT6768) (12nm) | 64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.7GHz ARM Cortex-A55 (Hexa-core) | Octa-core, 2 processors: 4x 2.35GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core) |
| GPU graphical controller | ARM Mali-G52 MC2 (820MHz) | Qualcomm Adreno 540 (670-710MHz) |
| Performance (benchmark) | AnTuTu: 151815 (v8) Geekbench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| RAM memory | 4GB LPDDR4X | 4GB LPDDR4 |
| Internal storage | 128GB (104GB available) eMMC 5.1 | 64GB (51GB available) UFS 2.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| 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 | 150/50 Mbps | 1024/150 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 | TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 2, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41) VoLTE | LTE Cat16 (1,2,3,4,5,7,8,12,18,19,20,28,29,30) TD-LTE (38,39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat4 (1, 2, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | Not supported |
📷 Camera | ||
| Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| Back camera (main camera) | (quad camera) 48 megapixels 8MP ultrawide f/2.2123°1/4"1.12µm 5MP macro f/2.4 5MP depth f/2.4 | 12.2 megapixels |
| Main camera resolution | 8000x6000 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.7 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | 1/2" inches | 1/2.55" inches |
| Pixel size | 0.8µm pixel | 1.4µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF on back camera and autofocus front camera |
| 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 | feature not registered |
📸 Front camera | ||
| Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| Front camera (secondary) | 20 megapixels | 8 megapixels |
| Front camera resolution | 5184x3840 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 2K UHD (2560x1440) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 25mm (lens) |
| Sensor size | feature not registered | 1/3.6" inches |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| 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, DivX, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| 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 | 3.5mm jack |
| TV output | USB Type-C (reversible) | 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 [wifi5] (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 A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Virtual proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 3500 mAh |
| Charger, watts | 15W Wired fast charging | 15W (9V/1.67A) Wired fast charging Quick Charge 2 |
| Inductive / wireless charging | Not supported | Qi wireless charging (Qi/PMA) |
| Talk time autonomy | feature not registered | 34 hours (1.4 days) |
| Standby | feature not registered | 343 hours (14.3 days) |
➕ Other features | ||
| Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| 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: Prism Black, Prism Blue, Prism Red, Prism White | • Colors: Black, Silver, Blue, Gold, Orchid Gray • Samsung DeX (desktop experience) • Curved edge screen • Corning Gorilla Glass 5 back panel • Samsung Gear VR compatible • Samsung Pay • 32bit/192kHz audio |
☢️ Radiation rate | ||
| Galaxy A31 (SM-A315F/DS 128GB) | Galaxy S8 Plus (SM-G955A) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.488W/kg (head), 1.68W/kg (body) | feature not registered |