Physical features | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
Model | Galaxy A21s (SM-A217F/DS 64GB/6GB) | Lumia 830 (RM-984) |
Other model names | Galaxy A21s SM-A217F/Dual-Sim (64GB + 6GB RAM) | Nokia Lumia 830 4G, Nokia RM-984, Nokia Tesla |
Country or region available |        Philippines, India, Indonesia, Malaysia, Myanmar, Thailand, Vietnam |  (Global, International) |
Brand | Samsung | Nokia |
Release date | June, 2020 | September, 2014 |
Depth | 8.9 millimeters (0.35 inches) | 8.5 millimeters (0.33 inches) |
Size (width x height) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) | 70.7 x 139.4 millimeters (2.78 x 5.49 in) |
Weight | 192 grams (6.72 ounces) | 150 grams (5.25 ounces) |
Qwerty physical keyboard | Not supported | Not supported |
Antenna | Internal antenna | Internal antenna |
Build, materials | Plastic body, glass front | feature not registered |
Protection against water and others | Not supported | Not supported |
System (OS) | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
Operating system | Android 10 | Windows Phone 8.1 |
Firmware update | feature not registered | feature not registered |
Hardware | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
Chipset | 64bit - Samsung Exynos 850 Octa (8nm) | 32bit - Qualcomm Snapdragon 400 MSM8926 (28nm) |
CPU processor | Octa-Core, 2 processors: 2Ghz Quad-Core ARM Cortex-A55 2Ghz Quad-Core ARM Cortex-A55 | 1.2Ghz Quad-Core ARM Cortex-A7 |
GPU graphical controller | ARM Mali-G52 MP1 | Qualcomm Adreno 305 400Mhz |
RAM memory | 6GB LPDDR4X | 1GB LPDDR2 |
Internal storage | 64GB (48GB available) eMMC 5.1 | 16GB (14GB available) |
External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
Display | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
Display type | TFT PLS | TFT IPS LCD |
Screen size | 6.5" inches | 5" inches |
Screen-to-body ratio | ~82.8% (screen-to-body ratio) | ~69.9% (screen-to-body ratio) |
Display resolution | 720x1600 pixels (20:9) | 720x1280 pixels |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 270 PPI | 294 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Gorilla Glass 3 |
Display features | 60Hz | feature not registered |
Mobile networks | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
Maximum download/upload | 300/150 Mbps | 150/50 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 Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) | LTE Cat4 800/900/1800/2100/2600 (Bands 1,3,7,8,20) |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
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 |
Calling | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
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, Voice commands |
Camera | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
Back camera (main camera) | (quad camera) 48 megapixels 8MP ultrawidef/2.21/4"1.12µm123º 2MP macrof/2.4 2MP depthf/2.4 | 10.1 megapixels |
Main camera resolution | 8000x6000 pixels | 3840x2640 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
Focal length | 26mm lens | feature not registered |
Sensor size | 1/2" inches | 1/3.4" inches |
Pixel size | 0.8µm pixel | feature not registered |
Autofocus | PDAF: phase detection autofocus | Autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | feature not registered |
Zoom | Only digital zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Not supported | Supported |
HDR | HDR photo on both cameras | HDR photo only main camera |
2ª camera | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
Front camera (secondary) | 13 megapixels | 1 megapixels |
Front camera resolution | 4128x3096 pixels | 1280x720 pixels |
Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.2 (aperture) | feature not registered |
Focal length | feature not registered | feature not registered |
Sensor size | 1/3.1" inches | feature not registered |
Pixel size | 1.12µm pixel | feature not registered |
Multimedia | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
Radio | FM | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
Connectivity | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0 |
TV output | Not supported | Not supported |
Audio output | 3.5mm jack | 3.5mm jack |
Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
WiFi | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO | 802.11 b/g/n (2.4Ghz) |
DLNA | Not supported | Supported |
NFC | Not supported | Supported |
GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
Infrared port | Not supported | Not supported |
Other functions | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
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 Gyroscope Face unlock Fingerprint sensor (rear-mounted)
| Accelerometer Proximity sensor Compass Ambient Light sensor Gyroscope
|
Other features | - Colors: Black, White, Blue, Red - One UI 2.0 - WiFi direct, hotspot | - 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 |
Power supply | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
Battery | LiPo: Li-Ion polymer (Non removable) | Li-Ion: Lithium-Ion (Removable) BV-L4A |
Battery capacity | 5000 mAh | 2200 mAh |
Charger, watts | 15W (9V/1.67A) Fast battery charging | Standard charging |
Talk time autonomy | feature not registered | 900 minutes | 15 hours | 0.6 day |
Standby | feature not registered | 31800 minutes | 530 hours | 22.1 days |
Radiation rate | Samsung Galaxy A21s (SM-A217F/DS 64GB/6GB) | Nokia Lumia 830 (RM-984) |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.87W/kg (head) | 0.83W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | 0.422W/kg (head) | 1.544W/kg (body) | 0.46W/kg (head) | 0.59W/kg (body) |