Samsung Galaxy M12 (SM-M127G/DS 128GB) vs Samsung Galaxy M21s (SM-F415F/DS)
Side by side comparison between Samsung Galaxy M12 vs Samsung Galaxy M21s phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
PLS
PLS
720x1600
48
MP
MP
8mp
6GB
RAM
RAM
Octa-core
6000
mAh
mAh
(Non removable)
vs
6.4"
AMOLED
AMOLED
1080x2340
64
MP
MP
32mp
4GB
RAM
RAM
Octa-core
6000
mAh
mAh
(Non removable)
What's the better phone? 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!
5 Advantages 
17 Advantages | 28 Common items in both devices |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| +21 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 M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| Model | Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) |
| Other model names | Galaxy M12 SM-M127G/Dual-SIM (6GB RAM) | Galaxy M21s SM-F415F/Dual-Sim (4GB RAM) |
| Country or region available |  India |   (Latin America), Brazil |
| Brand | Samsung | Samsung |
| Release date | 3/18/2021, Announced: 2/5/2021 | 11/6/2020 |
| Depth | 9.7 millimeters (0.38 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 75.9 x 164 millimeters (2.99 x 6.46 in) | 75.1 x 159.2 millimeters (2.96 x 6.27 in) |
| Weight | 221 grams (7.74 ounces) | 191 grams (6.69 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| Display type | TFT PLS | Super AMOLED |
| Screen size | 6.5" inches | 6.4" inches |
| Screen-to-body ratio | ~81.9% (screen-to-body ratio) | ~84.1% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 270 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | 90Hz | 60Hz |
| Display features | Not supported | 420nits[peak] |
🤖 Operating System | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| System version | Android 11 | Android 10 |
| Firmware update | feature not registered | Android 12 |
| User Interface | One UI 3.1 | One UI 2.5 / 3.1 / 4.1 |
⚙️ Processor | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| Chipset | 64bit: Samsung Exynos 850 (8nm) | 64bit: Samsung Exynos 9611 (10nm) |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core) | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-G52 MP1 | ARM Mali-G72 MP3 (850MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| RAM memory | 6GB LPDDR4X | 4GB LPDDR4X |
| Internal storage | 128GB (106GB available) eMMC 5.1 | 64GB (49GB available) UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 300/50 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (1, 3, 5, 7, 8) TD-LTE (38, 40, 41) VoLTE | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| 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+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| Back camera (main camera) | (quad camera) 48 megapixels 5MP ultrawide f/2.2123° 2MP macro f/2.4 2MP depth f/2.4 | (triple camera) 64 megapixels 8MP ultrawide f/2.2123°12mm1/4"1.12µm 5MP depth f/2.2 |
| Main camera resolution | 8000x6000 pixels | 10120x6328 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/2" inches | 1/1.72" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection 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 | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30fps 1080p@30fps |
📸 Front camera | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| Front camera (secondary) | 8 megapixels | 32 megapixels |
| Front camera resolution | 3264x2448 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| Loudspeaker | Mono sound (not stereo) | Mono sound (not stereo) |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, 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 | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| Sensors | Accelerometer Face unlock Fingerprint sensor (side-mounted) Virtual ambient light sensor Virtual proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 6000 mAh | 6000 mAh |
| Charger, watts | 15W Wired fast charging Reverse charging by cable | 15W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 58 hours (2.4 days) | 48 hours (2 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| 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, Blue, White | • Colors: Black, Blue |
☢️ Radiation rate | ||
| Galaxy M12 (SM-M127G/DS 128GB) | Galaxy M21s (SM-F415F/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.19W/kg (head) | 0.383W/kg (head) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |