Samsung Galaxy A15 5G (SM-A156B/DSN 128GB) vs LG K31 (K300QM)
Side by side comparison between Samsung Galaxy A15 5G vs LG K31 phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
AMOLED
AMOLED
1080x2340
50
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
5.7"
IPS
IPS
720x1520
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A15 5G (SM-A156B/DSN 128GB)
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!
27 Advantages 
3 Advantages | 24 Common items in both devices |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| +17 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 A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| Change model | ||
| Model | Galaxy A15 5G (SM-A156B/DSN 128GB) | K31 (K300QM) |
| Other model names | Galaxy A15 5G SM-A156B/Dual-SIM NFC | LG K31 (Unlocked), LMK300QMAUSASV, LM-K300Q |
| Country or region available |  (Europe) |  USA |
| Brand | Samsung | LG |
| Release date | 12/16/2023, Announced: 12/11/2023 | 8/21/2020 |
| Depth | 8.4 millimeters (0.33 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 76.8 x 160.1 millimeters (3.02 x 6.3 in) | 71.12 x 147.83 millimeters (2.8 x 5.82 in) |
| Weight | 200 grams (7 ounces) | 146 grams (5.11 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 6.5" inches | 5.7" inches |
| Screen-to-body ratio | ~84.3% (screen-to-body ratio) | ~77.1% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 720x1520 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 396 PPI | 295 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Panda King Glass |
| Refresh rate | 90Hz | 60Hz |
| Display features | 800nits[peak] | Not supported |
🤖 Operating System | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| System version | Android 14 | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | One UI 6.1 | feature not registered |
⚙️ Processor | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| Chipset | 64bit: MediaTek Dimensity 6100+ (6nm) | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-G57 MC2 | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | AnTuTu: 306382 (v9), 364885 (v10) Geekbench: 1747 (v5), 1763 (v6) | feature not registered |
💽 Memory and storage | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| RAM memory | 4GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 128GB (108GB available) UFS 2.2 | 32GB (17GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41) VoLTE | LTE Cat4 (2, 4, 5, 12, 13, 25, 26, 66, 71) TD-LTE (41) |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 7, 8, 20, 28, 38, 40, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | Not supported |
📷 Camera | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| Back camera (main camera) | (triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4 | (dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm |
| Main camera resolution | 8160x6120 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | feature not registered | 1.12µm 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 | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 1080p@30fps 720p@120fps (slow motion) | feature not registered |
📸 Front camera | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| Front camera (secondary) | 13 megapixels | 5 megapixels |
| Front camera resolution | 4128x3096 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | feature not registered | 1/5" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | 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 A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.3 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Virtual proximity sensor | Accelerometer Fingerprint sensor (rear-mounted) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 3000 mAh |
| Charger, watts | 25W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 44 hours (1.8 days) | 11 hours |
| Standby | feature not registered | 528 hours (22 days) |
➕ Other features | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| 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: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow | • Colors: Silver • LG UX 9.1 |
☢️ Radiation rate | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | LG K31 (K300QM) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.61W/kg (head), 1.13W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.796W/kg (head), 1.461W/kg (body) | feature not registered |