Samsung Galaxy M21s (SM-F415F/DS) vs Samsung Galaxy Watch Active 2 (Aluminum 44mm SM-R820)
Side by side comparison between Samsung Galaxy M21s vs Samsung Galaxy Watch Active 2 devices, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
1080x2340
64
MP
MP
32mp
4GB
RAM
RAM
Octa-core
6000
mAh
mAh
(Non removable)
vs
1.4"
AMOLED
AMOLED
360x360
N/A
768MB
RAM
RAM
Dual-core
340
mAh
mAh
(Non removable)
What's the better device? Samsung Galaxy M21s (SM-F415F/DS)
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!
10 Common items in both devices |
Super AMOLED |
16 million |
Capacitive |
Multitouch |
Accelerometer |
Ambient light sensor |
LiPo: li-ion polymer (Non removable) / Li-Ion: lithium-ion (Non removable) |
+3 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 M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
Change model | ||
Model | Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) |
Other model names | Galaxy M21s SM-F415F/Dual-Sim (4GB RAM) | Galaxy Watch Active2 SM-R820 (Bluetooth+WiFi Aluminium) |
Country or region available | (Latin America), Brazil | (Global, International) |
Brand | Samsung | Samsung |
Release date | 11/6/2020 | 9/1/2019 |
Depth | 8.9 millimeters (0.35 inches) | 10.9 millimeters (0.43 inches) |
Size (width x height) | 75.1 x 159.2 millimeters (2.96 x 6.27 in) | 44 x 44 millimeters (1.73 x 1.73 in) |
Weight | 191 grams (6.69 ounces) | 30 grams (1.05 ounces) |
Build, materials | Plastic body, glass front | Aluminum body, glass front |
Protection against water and others | Not supported | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
Display type | Super AMOLED | Super AMOLED |
Screen size | 6.4" inches | 1.4" inches |
Screen-to-body ratio | ~84.1% (screen-to-body ratio) | ~32.7% (screen-to-body ratio) |
Display resolution | 1080x2340 pixels (19.5:9) | 360x360 pixels (1:1) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 403 PPI | 364 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass DX+ |
Refresh rate | 60Hz | feature not registered |
Display features | 420nits[peak] | Not supported |
🤖 Operating System | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
System version | Android 10 | Tizen 4.0 |
Firmware update | Android 12 | feature not registered |
User Interface | One UI 2.5 / 3.1 / 4.1 | feature not registered |
⚙️ Processor | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
Chipset | 64bit: Samsung Exynos 9611 (10nm) | 64bit: Samsung Exynos 9 Dual 9110 (10nm) |
CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core) | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) |
GPU graphical controller | ARM Mali-G72 MP3 (850MHz) | ARM Mali-T720 MP1 |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
RAM memory | 4GB LPDDR4X | 768MB LPDDR3 |
Internal storage | 64GB (49GB available) UFS 2.1 | 4GB (1.39GB available) eMMC |
External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | Not supported |
Maximum Download / Upload | 300/50 Mbps | feature not registered |
Network technology | 2G, 3G, 4G | feature not registered |
Frequency, bands | Expand band details Collapse details | |
GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
Primary 2G network | GSM 850/900/1800/1900 | Not supported |
Primary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | Not supported |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
Secondary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | Not supported |
Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
Back camera (main camera) | (triple camera) 64 megapixels 8MP ultrawide f/2.2123°12mm1/4"1.12µm 5MP depth f/2.2 | Not supported |
Main camera resolution | 10120x6328 pixels | Not supported |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | Not supported |
Flash | LED flash | Not supported |
Focal aperture | f/1.8 (aperture) | feature not registered |
Focal length | 26mm lens | feature not registered |
Sensor size | 1/1.72" inches | feature not registered |
Pixel size | 0.8µm pixel | feature not registered |
Autofocus | PDAF: phase detection autofocus | Not supported |
Touch focus | Supported | Not supported |
Image stabilization | EIS: Digital stabilization | Not supported |
Zoom | Only digital zoom | Not supported |
Face/smile detection | Face detection, Smile detection | Not supported |
BSI sensor | Supported | Not supported |
HDR | HDR photo on both cameras | Not supported |
Camera extras | 4K@30fps 1080p@30fps | feature not registered |
📸 Front camera | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
Front camera (secondary) | 32 megapixels | Not supported |
Front camera resolution | 6528x4896 pixels | Not supported |
Video recording (secondary) | Full HD (1920x1080) | Not supported |
Front flash | Not supported | Not supported |
Focal aperture | f/2.0 (aperture) | feature not registered |
Focal length | 26mm lens | feature not registered |
Sensor size | 1/2.8" inches | feature not registered |
Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
Loudspeaker | Mono sound (not stereo) | Supported |
Active noise cancellation | 2 microphones or more | Not supported |
Radio | FM (RDS) | Not supported |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4 |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
USB | USB 2.0 Type-C reversible connector | Not supported |
Audio output | 3.5mm jack | Not supported |
TV output | Not supported | Not supported |
Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
DLNA | Not supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Not supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor | Accelerometer Ambient light sensor Barometer Heart rate Pedometer |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
Battery capacity | 6000 mAh | 340 mAh |
Charger, watts | 15W Wired fast charging | Wired charging |
Inductive / wireless charging | Not supported | Qi wireless charging |
Talk time autonomy | 48 hours (2 days) | 60 hours (2.5 days) |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
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 | Not supported |
Ringtones | Polyphonic and customized | Polyphonic and customized |
Web browser | HTML, XHTML, HTML5 | Not supported |
Antenna | Internal antenna | Internal antenna |
Qwerty physical keyboard | Not supported | Not supported |
Miscellaneous | • Colors: Black, Blue | • Colors: Black, Silver, Pink Gold • Bands: 20mm • Always-on display • Samsung Pay |
☢️ Radiation rate | ||
Galaxy M21s (SM-F415F/DS) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 0.383W/kg (head) | 0.17W/kg (head), 0.16W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.057W/kg (head), 0.153W/kg (body) |