Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) vs Samsung Galaxy A15 (SM-A155M/DSN 256GB)
Side by side comparison between Samsung Galaxy M31 vs Samsung Galaxy A15 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
6.5"
AMOLED
AMOLED
1080x2340
50
MP
MP
13mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy M31 (SM-M315F/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!
26 Common items in both devices |
Until 1TB microSD, microSDXC |
Plastic body, glass front |
Super AMOLED |
16 million |
1080x2340 pixels |
LED flash |
Only digital zoom |
+19 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 highlight๐ฑ Model features | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
Model | Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) |
Other model names | Galaxy M315F/Dual-Sim (128GB + 6GB RAM) | Galaxy A15 4G LTE SM-A155M/Dual-SIM NFC |
Country or region available | (Latin America), (Global, International), Philippines, India, Indonesia, Malaysia | (Latin America), Bolivia, Brazil, Colombia |
Brand | Samsung | Samsung |
Release date | 3/5/2020, Announced: 2/25/2020 | 12/16/2023, Announced: 12/11/2023 |
Depth | 8.9 millimeters (0.35 inches) | 8.4 millimeters (0.33 inches) |
Size (width x height) | 75.1 x 159.2 millimeters (2.96 x 6.27 in) | 76.8 x 160.1 millimeters (3.02 x 6.3 in) |
Weight | 191 grams (6.69 ounces) | 200 grams (7 ounces) |
Build, materials | Plastic body, glass front | Plastic body, glass front |
Protection against water and others | Not supported | Not supported |
๐ฒ Display | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
Display type | Super AMOLED | Super AMOLED |
Screen size | 6.4" inches | 6.5" inches |
Screen-to-body ratio | ~84.1% (screen-to-body ratio) | ~84.3% (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 | 396 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 3 | Not supported |
Refresh rate | 60Hz | 90Hz |
Display features | 420nits[peak] | 800nits[peak] |
๐ค Operating System | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
System version | Android 10 | Android 14 |
Firmware update | Android 11 | feature not registered |
User Interface | feature not registered | One UI 6.1 |
โ๏ธ Processor | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
Chipset | 64bit: Samsung Exynos 9611 (10nm) | 64bit: MediaTek Helio G99 (6nm) |
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 ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) |
GPU graphical controller | ARM Mali-G72 MP3 (850MHz) | ARM Mali-G57 MC2 |
Performance (benchmark) | feature not registered | AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6) |
๐ฝ Memory and storage | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
RAM memory | 6GB LPDDR4X | 8GB LPDDR4X |
Internal storage | 128GB (108GB available) UFS 2.1 | 256GB (236GB available) eMMC 5.1 |
External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
๐ถ Mobile networks | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 600/150 Mbps | 300/150 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 850/900/1700/1900/2100 | 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 Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 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 | UMTS 850/900/1700/1900/2100 |
Secondary 4G network | Not supported | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
๐ท Camera | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
Back camera (main camera) | (quad camera) 64 megapixels 8MP ultrawide f/2.212mm1/4.0"1.12ยตm 5MP macro f/2.425mm1/5.0"1.12ยตm 5MP depth f/2.2 | (triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4 |
Main camera resolution | 10120x6328 pixels | 8160x6120 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
Focal length | 26mm lens | feature not registered |
Sensor size | 1/1.72" inches | feature not registered |
Pixel size | 0.8ยตm pixel | feature not registered |
Autofocus | PDAF: phase detection autofocus | 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 | Supported |
HDR | HDR photo on both cameras | HDR photo on both cameras |
Camera extras | feature not registered | 1080p@30fps 720p@120fps (slow motion) |
๐ธ Front camera | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
Front camera (secondary) | 32 megapixels | 13 megapixels |
Front camera resolution | 6528x4896 pixels | 4128x3096 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 | feature not registered |
Sensor size | 1/2.8" inches | feature not registered |
Pixel size | 0.8ยตm pixel | feature not registered |
๐ Sound and multimedia | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
Loudspeaker | Supported | Mono sound (not stereo) |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM (RDS) | FM (RDS) |
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 |
๐ Connectivity | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
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 | USB Type-C (reversible) |
Bluetooth | 5.0 + A2DP/LE | 5.3 + 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, QZSS |
NFC | Not supported | Supported |
Infrared port | Not supported | Not supported |
๐งญ Sensors | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Virtual proximity sensor |
Vibrating alert | Supported | Supported |
๐ Battery | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 6000 mAh | 5000 mAh |
Charger, watts | 15W Wired fast charging | 25W Wired fast charging |
Inductive / wireless charging | Not supported | Not supported |
Talk time autonomy | feature not registered | 51 hours (2.1 days) |
Standby | feature not registered | feature not registered |
โ Other features | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
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 | โข Colors: Ocean Blue, Space Black, Red โข One UI 2.0, 3.1 | โข Colors: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow |
โข๏ธ Radiation rate | ||
Galaxy M31 (SM-M315F/DS 128GB/6GB) | Galaxy A15 (SM-A155M/DSN 256GB) | |
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) | feature not registered |