Samsung Galaxy Fold (SM-F900U) vs LG K31 (K300QM6)
Side by side comparison between Samsung Galaxy Fold vs LG K31 phones, differences, pros, cons and full specifications. What's the better?
,
7.3"
AMOLED
AMOLED
1536x2152
12.2
MP
MP
10mp
12GB
RAM
RAM
Octa-core
4380
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 Fold (SM-F900U)
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!
34 Advantages 
5 Advantages | 18 Common items in both devices |
| 60Hz |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| 4G LTE-A / 4G LTE |
| Capacitive |
| +11 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 Fold (SM-F900U) | LG K31 (K300QM6) | |
| Model | Galaxy Fold (SM-F900U) | K31 (K300QM6) |
| Other model names | Galaxy Fold F900U (Single-SIM) Unlocked, Samsung Winner | LG K31 (Spectrum Mobile), LMK300QM6ARCHSV, LM-K300QM6 |
| Country or region available |  USA | USA |
| Brand | Samsung | LG |
| Release date | 4/26/2019, Announced: 2/28/2019 | 8/21/2020 |
| Depth | 6.9 millimeters (0.27 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 117.9 x 160.9 millimeters (4.64 x 6.33 in) | 71.12 x 147.83 millimeters (2.8 x 5.82 in) |
| Weight | 263 grams (9.21 ounces) | 146 grams (5.11 ounces) |
| Build, materials | Aluminum frame, flexible plastic screen, glass back Folded: 15.5mm x 62.9mm x 160.9mm | 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 Fold (SM-F900U) | LG K31 (K300QM6) | |
| Display type | Dynamic AMOLED | TFT IPS LCD |
| Screen size | 7.3" inches | 5.7" inches |
| Screen-to-body ratio | ~85.7% (screen-to-body ratio) | ~77.1% (screen-to-body ratio) |
| Display resolution | 1536x2152 pixels | 720x1520 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 362 PPI | 295 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Panda King Glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | HDR10+ Extra display: Super AMOLED 4.6" (720x1680) | Not supported |
🤖 Operating System | ||
| Galaxy Fold (SM-F900U) | LG K31 (K300QM6) | |
| System version | Android 9.0 Pie | Android 10 |
| Firmware update | Android 12 | feature not registered |
| User Interface | One UI 2.5 / 3.1 / 4.0 | feature not registered |
⚙️ Processor | ||
| Galaxy Fold (SM-F900U) | LG K31 (K300QM6) | |
| Chipset | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (585MHz) | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | AnTuTu: 363016 (v7) Geekbench: 11028 (v4.4) GFXBench: 32fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy Fold (SM-F900U) | LG K31 (K300QM6) | |
| RAM memory | 12GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 512GB (462GB available) UFS 3.0 | 32GB (17GB available) eMMC 5.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Fold (SM-F900U) | LG K31 (K300QM6) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 1200/150 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 14, 18, 19, 20, 28, 29, 30, 66) TD-LTE (38, 39, 40, 41, 46) VoLTE | LTE Cat4 (2, 4, 5, 12, 13, 66) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy Fold (SM-F900U) | LG K31 (K300QM6) | |
| Back camera (main camera) | (triple camera) 12.2 megapixels 12MP telephoto f/2.41/3.6"52mm1.0µmAFOIS2x-optical-zoom 16MP ultrawide f/2.212mm1/3.1"1.0µm | (dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm |
| Main camera resolution | 4032x3024 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.5 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | 27mm (lens) |
| Sensor size | 1/2.55" inches | 1/3.1" inches |
| Pixel size | 1.4µm pixel | 1.12µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 4K@60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion) HDR10 Cover camera: 10MP (f/2.2) | feature not registered |
📸 Front camera | ||
| Galaxy Fold (SM-F900U) | LG K31 (K300QM6) | |
| Front camera (secondary) | (dual front camera) 10 megapixels 8MP depth f/1.924mm1.22µm | 5 megapixels |
| Front camera resolution | 3872x2592 pixels | 2560x1920 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | 24mm (lens) |
| Sensor size | 1/3" inches | 1/5" inches |
| Pixel size | 1.22µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Fold (SM-F900U) | LG K31 (K300QM6) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | 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 Fold (SM-F900U) | LG K31 (K300QM6) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | 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 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Fold (SM-F900U) | LG K31 (K300QM6) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Fingerprint sensor (rear-mounted) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Fold (SM-F900U) | LG K31 (K300QM6) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4380 mAh | 3000 mAh |
| Charger, watts | 15W Wired fast charging | Wired charging |
| Inductive / wireless charging | 15W Qi wireless charging 9W Reverse wireless charging | Not supported |
| Talk time autonomy | 32 hours (1.3 days) | 11 hours |
| Standby | feature not registered | 528 hours (22 days) |
➕ Other features | ||
| Galaxy Fold (SM-F900U) | LG K31 (K300QM6) | |
| 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, Space Silver, Martian Green, Astro Blue • Samsung DeX • Samsung Pay | • Colors: Silver • LG UX 9.1 |
☢️ Radiation rate | ||
| Galaxy Fold (SM-F900U) | LG K31 (K300QM6) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.61W/kg (head), 1.13W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |