Samsung Galaxy A3 Duos (SM-A300M/DS) vs Samsung Galaxy A21 (SM-A215W)
Side by side comparison between Samsung Galaxy A3 vs Samsung Galaxy A21 phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
AMOLED
AMOLED
540x960
8
MP
MP
5mp
1GB
RAM
RAM
Quad-core
1900
mAh
mAh
(Non 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-A215W)
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!
7 Advantages 
22 Advantages | 22 Common items in both devices |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| Full HD (1920x1080) |
| +15 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 A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| Model | Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) |
| Other model names | Galaxy A3 (4G LTE) SM-A300M/Dual-Sim | Galaxy A21 SM-A215WZKAXAC (Bell Mobility) |
| Country or region available |  Brazil |  Canada |
| Brand | Samsung | Samsung |
| Release date | 11/1/2014 | 6/26/2020 |
| Depth | 6.9 millimeters (0.27 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 65.5 x 130.1 millimeters (2.58 x 5.12 in) | 76.7 x 167.8 millimeters (3.02 x 6.61 in) |
| Weight | 110 grams (3.85 ounces) | 193 grams (6.76 ounces) |
| Build, materials | Aluminum body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| Display type | Super AMOLED | TFT PLS |
| Screen size | 4.5" inches | 6.5" inches |
| Screen-to-body ratio | ~65.5% (screen-to-body ratio) | ~79.3% (screen-to-body ratio) |
| Display resolution | 540x960 pixels (16:9) | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 245 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| System version | Android 4.4.4 KitKat | Android 10 |
| Firmware update | Android 6.0.1 Marshmallow | feature not registered |
| User Interface | TouchWiz UX | feature not registered |
⚙️ Processor | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| Chipset | 64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm) | 64bit: MediaTek Helio P35 (MT6765) (12nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (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 306 (400MHz) | PowerVR GE8320 MP2 (680MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| RAM memory | 1GB LPDDR2 | 3GB LPDDR3 |
| Internal storage | 16GB (12GB available) eMMC 4.5 | 32GB (20GB available) eMMC 5.1 |
| External storage | Until 64GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 2, 4, 5, 7, 17) | LTE Cat4 (1, 2, 3, 4, 5, 7, 12, 13, 17, 20, 66, 71) 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 | 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 |
📷 Camera | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| Back camera (main camera) | 8 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 | 3264x2448 pixels | 4608x3456 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.4 (aperture) | f/1.8 (aperture) |
| Focal length | 31mm lens | feature not registered |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | 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 | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| Front camera (secondary) | 5 megapixels | 13 megapixels |
| Front camera resolution | 2592x1944 pixels | 4128x3096 pixels |
| Video recording (secondary) | WVGA (800x480) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | 23mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| Loudspeaker | Mono sound (not stereo) | 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+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| 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) WiFi 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 | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1900 mAh | 4000 mAh |
| Charger, watts | 3.5W (5V/0.7A) Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 12 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| 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, White, Blue, Silver, Pink, Gold • Java framework | • Colors: Black • One UI 2.0 |
☢️ Radiation rate | ||
| Galaxy A3 Duos (SM-A300M/DS) | Galaxy A21 (SM-A215W) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.52W/kg (head), 1.08W/kg (body) | 0.6W/kg (head), 1.27W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.342W/kg (head), 0.231W/kg (body) | feature not registered |