Samsung Galaxy Note 7 Duos (SM-N9300 128GB) vs Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Side by side comparison between Samsung Galaxy Note 7 vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
AMOLED
AMOLED
1440x2560
12.2
MP
MP
5mp
6GB
RAM
RAM
Quad-core
3500
mAh
mAh
(Non removable)
vs
6.5"
PLS
PLS
720x1600
48
MP
MP
13mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Note 7 Duos (SM-N9300 128GB)
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!
23 Advantages 
12 Advantages | 21 Common items in both devices |
| 6GB LPDDR4 / 6GB LPDDR4X |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| 4G LTE-A |
| +14 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 Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| Model | Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) |
| Other model names | Samsung Galaxy Note 7 SM-N9300 6GB RAM, Galaxy Note 6 | Galaxy A21s SM-A217F/Dual-Sim NFC (64GB + 6GB RAM) |
| Country or region available |   China, Hong Kong | Hong Kong |
| Brand | Samsung | Samsung |
| Release date | 9/1/2016 | 6/2/2020, Announced: 5/15/2020 |
| Depth | 7.9 millimeters (0.31 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 73.9 x 153.5 millimeters (2.91 x 6.04 in) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) |
| Weight | 169 grams (5.92 ounces) | 192 grams (6.72 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| Display type | Super AMOLED | TFT PLS |
| Screen size | 5.7" inches | 6.5" inches |
| Screen-to-body ratio | ~79% (screen-to-body ratio) | ~82.8% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 515 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| System version | Android 6.0.1 Marshmallow | Android 10 |
| Firmware update | Android 7.0 Nougat | Android 12 |
| User Interface | feature not registered | One UI 2.0 / 3.1 / 4.1 |
⚙️ Processor | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 820 MSM8996 (14nm) | 64bit: Samsung Exynos 850 (8nm) |
| CPU | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core) |
| GPU graphical controller | Qualcomm Adreno 530 | ARM Mali-G52 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| RAM memory | 6GB LPDDR4 | 6GB LPDDR4X |
| Internal storage | 128GB (114GB available) UFS 2.0 | 64GB (48GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD 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 | 450/50 Mbps | 300/150 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28) TD-LTE (Bands 38, 39, 40, 41) | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, 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 | UMTS 850/900/2100 | UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| Back camera (main camera) | 12.2 megapixels | (quad camera) 48 megapixels 8MP ultrawide f/2.21/4"1.12µm123° 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 4032x3024 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2.55" inches | 1/2" inches |
| Pixel size | 1.4µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | 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/video on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| Front camera (secondary) | 5 megapixels | 13 megapixels |
| Front camera resolution | 2592x1944 pixels | 4128x3096 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/2.2 (aperture) |
| Focal length | 22mm lens | feature not registered |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3500 mAh | 5000 mAh |
| Charger, watts | 15W Wired fast charging | 15W (9V/1.67A) Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 38 hours (1.6 days) | feature not registered |
| Standby | 312 hours (13 days) | feature not registered |
➕ Other features | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| 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: Blue Coral, Silver Titanium, Black Onyx • Stylus Pen (12-bit) • Samsung Pay (Visa, MasterCard) • S-Voice • HD Voice | • Colors: Black, White, Blue, Red |
☢️ Radiation rate | ||
| Galaxy Note 7 Duos (SM-N9300 128GB) | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.422W/kg (head), 1.544W/kg (body) |