📱 Model features |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| Model | Galaxy S4 (GT-i9500 64GB) | Q51 (Q510N) |
| Other model names | Galaxy S4 i9500 3G, Samsung Altius | LG Q51 LM-Q510N, LMQ510N (Q 시리즈) |
| Country or region available | 
(Global, International) | 
South Korea |
| Brand | Samsung | LG |
| Release date | 4/15/2013, Announced: 3/15/2013 | 2/1/2020 |
| Depth | 7.9 millimeters (0.31 inches) | 8.47 millimeters (0.33 inches) |
| Size (width x height) | 69.8 x 136.6 millimeters (2.75 x 5.38 in) | 77.92 x 166.96 millimeters (3.07 x 6.57 in) |
| Weight | 130 grams (4.55 ounces) | 204 grams (7.14 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. |
🤖 Operating System |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| System version | Android 4.2.2 Jelly Bean | Android 9.0 Pie |
| Firmware update | Android 5.0.1 Lollipop | feature not registered |
| User Interface | TouchWiz UI | feature not registered |
⚙️ Processor |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| Chipset | 32bit - Samsung Exynos 5410 (28nm) | 64bit - MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Octa-Core, 2 processors:
1.6GHz Quad-Core ARM Cortex-A15
1.2GHz Quad-Core ARM Cortex-A7 | Octa-Core, 2 processors:
2GHz Quad-Core ARM Cortex-A53
1.5GHz Quad-Core ARM Cortex-A53 |
| GPU graphical controller | PowerVR SGX544 MP3 (532MHz) | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| RAM memory | 2GB LPDDR3 | 3GB LPDDR3 |
| Internal storage | 64GB (55GB available) | 32GB (16GB available)
eMMC 5.1 |
| External storage | Until 64GB microSD, microSDXC
(dedicated slot) | Until 1TB microSD, microSDXC
(dedicated slot) |
📲 Display |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 5" inches | 6.5" inches |
| Screen-to-body ratio | ~72.3% (screen-to-body ratio) | ~79.7% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels (16:9) | 720x1560 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 441 PPI | 264 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Panda King Glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
📶 Mobile networks |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-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 detailsCollapse 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 800/850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (1, 3, 7, 8, 20)
TD-LTE (38) |
| 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 | 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 |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| Back camera (main camera) | 13 megapixels | (triple camera)
13 megapixels
5MP ultrawidef/2.21.12μm1/5"115°
2MP depthf/2.41.75μm1/5"85° |
| Main camera resolution | 4128x3096 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.8 (aperture) |
| Focal length | 31mm lens | 26mm lens |
| Sensor size | 1/3.1" inches | 1/3" inches |
| Pixel size | 1.14µm pixel | 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/video only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| Front camera (secondary) | 2.1 megapixels | 13 megapixels |
| Front camera resolution | 1920x1080 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | f/2.0 (aperture) |
| Focal length | 31mm lens | feature not registered |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, 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 |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| USB | MicroUSB 2.0, 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 | Micro-B USB MHL | Not supported |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| Sensors | Accelerometer
Ambient Light sensor
ANT+
Barometer
Compass
Gyroscope
Proximity sensor | Accelerometer
Ambient Light sensor
Compass
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| Battery type | Li-Ion: Lithium-Ion (Removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 2600 mAh | 4000 mAh |
| Charger, watts | Standard charging | 10W (5V/2A) Standard charging |
| Talk time autonomy | 17 hours | 21 hours |
| Standby | 370 hours (15.4 days) | 576 hours (24 days) |
➕ Other features |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| 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: White Frost, Black Mist
- Dual Shot camera
- mDNIe
- S-Voice
- Group Play
- Smart Stay eye tracking
- Dropbox (50GB)
- Java framework | - Colors: Titan gray, White
- Google Assistant
- DTS:X 3D surround sound |
☢️ Radiation rate |
| Samsung Galaxy S4 (GT-i9500 64GB) | LG Q51 (Q510N) |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.85W/kg (head), 1.55W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.421W/kg (head), 0.543W/kg (body) | feature not registered |