Samsung Galaxy Grand 2 Duos (SM-G7102) vs LG K71 (Q730HA)
Side by side comparison between Samsung Galaxy Grand 2 vs LG K71 phones, differences, pros, cons and full specifications. What's the better?
,
5.25"
TFT
TFT
720x1280
8
MP
MP
2mp
1.5GB
RAM
RAM
Quad-core
2600
mAh
mAh
(Removable)
vs
6.8"
IPS
IPS
1080x2460
48
MP
MP
32mp
4GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? LG K71 (Q730HA)
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!
5 Advantages 
26 Advantages | 19 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| +12 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 Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| Model | Galaxy Grand 2 Duos (SM-G7102) | K71 (Q730HA) |
| Other model names | Samsung Galaxy Gran 2 SM-G7106 Dual-Sim | LG K71 LMQ730HA, LM-Q730HA (Single-SIM) |
| Country or region available | feature not registered |  (Latin America) |
| Brand | Samsung | LG |
| Release date | 1/1/2014 | 9/21/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 75.3 x 146.8 millimeters (2.96 x 5.78 in) | 77.7 x 171.4 millimeters (3.06 x 6.75 in) |
| Weight | 163 grams (5.71 ounces) | 220 grams (7.7 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 5.25" inches | 6.8" inches |
| Screen-to-body ratio | ~68.7% (screen-to-body ratio) | ~82.5% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1080x2460 pixels (20.5:9) |
| Touchscreen | Capacitive Multitouch 5-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 280 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Cristal Dinorex (NEG) |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| System version | Android 4.3 Jelly Bean | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8226 | 64bit: MediaTek Helio P35 (MT6765) (12nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 305 | PowerVR GE8320 MP2 (680MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| RAM memory | 1.5GB | 4GB LPDDR4X |
| Internal storage | 8GB (4GB available) | 128GB (107GB available) eMMC 5.1 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 42/5.76 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 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 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38, 40) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| Back camera (main camera) | 8 megapixels | (triple camera) 48 megapixels 5MP ultrawide f/2.2120°1/5"1.12μm 5MP depth f/2.480.6°1/5"1.12μm |
| Main camera resolution | 3264x2448 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.4 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | 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 | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| Front camera (secondary) | 2 megapixels | 32 megapixels |
| Front camera resolution | 1600x1200 pixels | 6528x4896 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| USB | MicroUSB 2.0 | 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 | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) BL-T48 |
| Battery capacity | 2600 mAh | 4000 mAh |
| Charger, watts | Wired charging | 10W Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 17 hours | 19 hours |
| Standby | 370 hours (15.4 days) | 700 hours (29.2 days) |
➕ Other features | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (Swype), 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, White, Pink • Samsung TouchWiz UI • Java framework | • Colors: Titan, White • Stylus Pen • DTS:X 3D stereo sound • Google Assistant button • In some cases includes wireless earphones (LG TONE Free) |
☢️ Radiation rate | ||
| Galaxy Grand 2 Duos (SM-G7102) | LG K71 (Q730HA) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.58W/kg (head), 1.03W/kg (body) | 0.74W/kg (head), 1.12W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.439W/kg (head), 0.442W/kg (body) | feature not registered |