| Physical features | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| Model | Lumia 830 (RM-984) | K50S (X540ZMW) |
| Other model names | Nokia Lumia 830 4G, Nokia RM-984, Nokia Tesla | LG K50s LM-X540ZMW, LMX540ZMW |
| Country or region available | 
(Global, International) | 
Taiwan |
| Brand | Nokia | LG |
| Release date | September, 2014 | September, 2019 |
| Depth | 8.5 millimeters (0.33 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 70.7 x 139.4 millimeters (2.78 x 5.49 in) | 77.5 x 165.8 millimeters (3.05 x 6.53 in) |
| Weight | 150 grams (5.25 ounces) | 194 grams (6.79 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Build, materials | feature not registered | 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. |
| System (OS) | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| Operating system | Windows Phone 8.1 | Android 9.0 Pie |
| Firmware update | feature not registered | feature not registered |
| Hardware | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| Chipset | 32bit - Qualcomm Snapdragon 400 MSM8926 (28nm) | 64bit - MediaTek MT6762 Helio P22 (12nm) |
| CPU processor | 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 | Qualcomm Adreno 305 400Mhz | PowerVR GE8320 650Mhz |
| RAM memory | 1GB LPDDR2 | 3GB LPDDR3 |
| Internal storage | 16GB (14GB available) | 32GB (18GB available)
eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC
(dedicated slot) | Until 1TB microSD, microSDXC
(dedicated slot) |
| Display | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5" inches | 6.5" inches |
| Screen-to-body ratio | ~69.9% (screen-to-body ratio) | ~82.1% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 720x1520 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 259 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Display features | feature not registered | 60Hz |
| Mobile networks | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card
(dedicated slot) |
| SIM card | 1 slot (Single-SIM)
nano-SIM (4FF) | 2 slots (Dual-SIM)
nano-SIM (4FF) |
| Maximum download/upload | 150/50 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 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 850/900/1900/2100 |
| Primary 4G network | LTE Cat4 800/900/1800/2100/2600 (Bands 1,3,7,8,20) | LTE Cat6 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
| Calling | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported | Supported |
| Video calling | Supported | Supported |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Camera | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| Back camera (main camera) | 10.1 megapixels | (triple camera)
13 megapixels
5MP ultrawidef/2.21.12μm115º
2MP depthf/2.41.75μm85º |
| Main camera resolution | 3840x2640 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/2.2 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/3.4" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
| 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 | Supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| 2ª camera | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| Front camera (secondary) | 1 megapixels | 13 megapixels |
| Front camera resolution | 1280x720 pixels | 4128x3096 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 | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Multimedia | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| Radio | FM | 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, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
| Connectivity | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| TV output | Not supported | Not supported |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n (2.4Ghz) | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO |
| DLNA | Supported | Supported |
| NFC | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| Infrared port | Not supported | Not supported |
| Other functions | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| Active noise cancellation | Supported | Supported |
| Vibrating alert | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Sensors | Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
| Accelerometer
Proximity sensor
Ambient Light sensor
Face unlock
Fingerprint sensor (rear-mounted)
|
| Other features | - Colors: Black, Orange, Green, White
- Lumia Denim UI
- Nokia ClearBlack Display
- Dolby Digital Plus sound enhancement
- Carl Zeiss optics
- 15GB OneDrive
- Qi wireless charging
- WiFi hotspot | - Colors: Aurora Black, Moroccan Blue
- DTS:X 3D surround sound
- Eco Playback
- WiFi direct, hotspot |
| Power supply | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| Battery | Li-Ion: Lithium-Ion (Removable)
BV-L4A | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 2200 mAh | 4000 mAh |
| Charger, watts | Standard charging | 6W (5V/1.2A) Standard charging |
| Talk time autonomy | 900 minutes | 15 hours | 0.6 day | 1080 minutes | 18 hours | 0.8 day |
| Standby | 31800 minutes | 530 hours | 22.1 days | 30240 minutes | 504 hours | 21 days |
| Radiation rate | Nokia Lumia 830 (RM-984) | LG K50S (X540ZMW) |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.87W/kg (head) | 0.83W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.46W/kg (head) | 0.59W/kg (body) | feature not registered |