Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) vs Samsung Galaxy A8s (SM-G8870 128GB/8GB)
Side by side comparison between Samsung Galaxy M31 vs Samsung Galaxy A8s phones, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
1080x2340
64
MP
MP
32mp
6GB
RAM
RAM
Octa-core
6000
mAh
mAh
(Non removable)
vs
6.4"
PLS
PLS
1080x2340
24
MP
MP
24mp
8GB
RAM
RAM
Octa-core
3400
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A8s (SM-G8870 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!
10 Advantages 
12 Advantages | 32 Common items in both devices |
| 128GB (108GB available) / 128GB (109GB available) |
| 16 million |
| 1080x2340 pixels |
| 403 PPI |
| 6.4" |
| LED flash |
| PDAF: phase detection autofocus |
| +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 | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| Model | Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) |
| Other model names | Galaxy M315F/Dual-Sim (128GB + 6GB RAM) | Galaxy A8S (128GB+8GB RAM) SM-G8870ZKGCHC |
| Country or region available |       (Latin America), (Global, International), Philippines, India, Indonesia, Malaysia |   China, Hong Kong |
| Brand | Samsung | Samsung |
| Release date | 3/5/2020, Announced: 2/25/2020 | 12/1/2018 |
| Depth | 8.9 millimeters (0.35 inches) | 7.4 millimeters (0.29 inches) |
| Size (width x height) | 75.1 x 159.2 millimeters (2.96 x 6.27 in) | 74.9 x 158.4 millimeters (2.95 x 6.24 in) |
| Weight | 191 grams (6.69 ounces) | 173 grams (6.06 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| Display type | Super AMOLED | TFT PLS |
| Screen size | 6.4" inches | 6.4" inches |
| Screen-to-body ratio | ~84.1% (screen-to-body ratio) | ~84.7% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2340 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | 420nits[peak] | feature not registered |
🤖 Operating System | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| System version | Android 10 | Android 9.0 Pie |
| Firmware update | Android 11 | Android 10 |
| User Interface | feature not registered | One UI |
⚙️ Processor | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| Chipset | 64bit: Samsung Exynos 9611 (10nm) | 64bit: Qualcomm Snapdragon 710 SDM710 (10nm) |
| 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 360 Gold (Dual-core) 6x 1.7GHz Kryo 360 Silver (Hexa-core) |
| GPU graphical controller | ARM Mali-G72 MP3 (850MHz) | Qualcomm Adreno 616 500Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| RAM memory | 6GB LPDDR4X | 8GB LPDDR4X |
| Internal storage | 128GB (108GB available) UFS 2.1 | 128GB (109GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 600/150 Mbps | 800/150 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| 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 Cat15/13 (1, 3, 4, 5, 7, 8, 12, 17) TD-LTE (34, 38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| 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 | (triple camera) 24 megapixels 10MP telephoto f/2.452mm1/3.9"1.0µmAF2x-optical-zoom 5MP depth f/2.2 |
| Main camera resolution | 10120x6328 pixels | 5632x4224 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/1.7 (aperture) |
| Focal length | 26mm (lens) | 27mm (lens) |
| Sensor size | 1/1.72" inches | 1/2.8" inches |
| Pixel size | 0.8µm pixel | 0.9µm 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 | Digital and optical 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 | 1080p@240fps |
📸 Front camera | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| Front camera (secondary) | 32 megapixels | 24 megapixels |
| Front camera resolution | 6528x4896 pixels | 5632x4224 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 | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| Loudspeaker | Supported | Stereo sound |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| 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/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| USB | USB 2.0 Type-C, 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 | 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/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 6000 mAh | 3400 mAh |
| Charger, watts | 15W Wired fast charging | 18W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| 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: Black, Gradient Black, Blue, Pink-Blue, Yellow-Pink • Samsung Pay |
☢️ Radiation rate | ||
| Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A8s (SM-G8870 128GB/8GB) | |
| 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) | 0.24W/kg (head), 1.168W/kg (body) |