Nokia Lumia 830 (RM-983) vs Samsung Galaxy A21 (SM-A215U)
Side by side comparison between Nokia Lumia 830 vs Samsung Galaxy A21 phones, differences, pros, cons and full specifications. What's the better?
,
5"
IPS
IPS
720x1280
10.1
MP
MP
1mp
1GB
RAM
RAM
Quad-core
2200
mAh
mAh
(Removable)
vs
6.5"
PLS
PLS
720x1600
16
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A21 (SM-A215U)
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!
8 Advantages 
20 Advantages | 23 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Full HD (1920x1080) |
| 4G LTE |
| 150 Mbps |
| +16 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 | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| Model | Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) |
| Other model names | AT&T Nokia Lumia 830 4G RM-983, Nokia Tesla | Galaxy A21 SM-A215U (Sprint, T-Mobile, US Cellular, Verizon) |
| Country or region available |  USA | USA |
| Brand | Nokia | Samsung |
| Release date | 9/1/2014 | 6/26/2020 |
| Depth | 8.5 millimeters (0.33 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 70.7 x 139.4 millimeters (2.78 x 5.49 in) | 76.7 x 167.8 millimeters (3.02 x 6.61 in) |
| Weight | 150 grams (5.25 ounces) | 193 grams (6.76 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| Display type | TFT IPS LCD | TFT PLS |
| Screen size | 5" inches | 6.5" inches |
| Screen-to-body ratio | ~69.9% (screen-to-body ratio) | ~79.3% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| System version | Windows Phone 8.1 | Android 10 |
| Firmware update | Windows 10 Mobile | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) | 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 400Mhz | PowerVR GE8320 MP2 (680MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| RAM memory | 1GB LPDDR2 | 3GB LPDDR3 |
| Internal storage | 16GB (14GB available) | 32GB (20GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| 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 | 150/50 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 | UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 700/850/1700/1900 (Bands 2,4,5,17) | LTE Cat4 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| 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 |
| 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 | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| Back camera (main camera) | 10.1 megapixels | (quad camera) 16 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 3840x2640 pixels | 4608x3456 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 | feature not registered | feature not registered |
| Sensor size | 1/3.4" inches | 1/3.06" inches |
| Pixel size | feature not registered | 1µm 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 | Supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| 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 | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| 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-983) | Galaxy A21 (SM-A215U) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| Battery type | Li-Ion: lithium-ion (Removable) BV-L4A | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2200 mAh | 4000 mAh |
| Charger, watts | Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 15 hours | feature not registered |
| Standby | 530 hours (22.1 days) | feature not registered |
➕ Other features | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| 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: 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: Black • One UI 2.0 |
☢️ Radiation rate | ||
| Nokia Lumia 830 (RM-983) | Galaxy A21 (SM-A215U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.87W/kg (head), 0.83W/kg (body) | 0.6W/kg (head), 1.27W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.46W/kg (head), 0.59W/kg (body) | feature not registered |