Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB) vs Samsung Galaxy S3 (SGH-i747)
Side by side comparison between Samsung Galaxy A21s vs Samsung Galaxy S3 phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
PLS
PLS
720x1600
48
MP
MP
13mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
4.8"
AMOLED
AMOLED
720x1280
8
MP
MP
2mp
2GB
RAM
RAM
Dual-core
2100
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
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!
22 Advantages 
9 Advantages | 19 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| Full HD (1920x1080) |
| +12 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 A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| Model | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) |
| Other model names | Galaxy A21s SM-A217F/Dual-Sim NFC (64GB + 6GB RAM) | AT&T Samsung Galaxy S3 i747 (4G LTE), Galaxy S III |
| Country or region available |  Hong Kong |  USA |
| Brand | Samsung | Samsung |
| Release date | 6/2/2020, Announced: 5/15/2020 | 6/22/2012 |
| Depth | 8.9 millimeters (0.35 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) | 70.6 x 136.6 millimeters (2.78 x 5.38 in) |
| Weight | 192 grams (6.72 ounces) | 134 grams (4.69 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| Display type | TFT PLS | Super AMOLED |
| Screen size | 6.5" inches | 4.8" inches |
| Screen-to-body ratio | ~82.8% (screen-to-body ratio) | ~65.9% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 270 PPI | 306 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 2 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| System version | Android 10 | Android 4.0.4 Ice Cream Sandwich ICS |
| Firmware update | Android 12 | Android 4.3 Jelly Bean |
| User Interface | One UI 2.0 / 3.1 / 4.1 | feature not registered |
⚙️ Processor | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| Chipset | 64bit: Samsung Exynos 850 (8nm) | 32bit: Qualcomm Snapdragon S4 Plus MSM8260A (28nm) |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core) | Dual-core, 1 processor: 2x 1.5GHz Krait (Dual-core) |
| GPU graphical controller | ARM Mali-G52 MP1 | Qualcomm Adreno 225 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| RAM memory | 6GB LPDDR4X | 2GB LPDDR2 |
| Internal storage | 64GB (48GB available) eMMC 5.1 | 16GB (11GB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 300/150 Mbps | 100/50 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 850/1900/2100 |
| Primary 4G network | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) | LTE 700/1700/2100 |
| 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 | UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| Back camera (main camera) | (quad camera) 48 megapixels 8MP ultrawide f/2.21/4"1.12µm123° 2MP macro f/2.4 2MP depth f/2.4 | 8 megapixels |
| Main camera resolution | 8000x6000 pixels | 3264x2448 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/2.6 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2" inches | 1/3" inches |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | 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 only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| Front camera (secondary) | 13 megapixels | 2 megapixels |
| Front camera resolution | 4128x3096 pixels | 1600x1200 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.6 (aperture) |
| 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 |
🔉 Sound and multimedia | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) + MIMO |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| Sensors | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) EB-L1G6LLU |
| Battery capacity | 5000 mAh | 2100 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 8 hours |
| Standby | feature not registered | 199 hours (8.3 days) |
➕ Other features | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Blue, Red | • Colors: Pebble blue, Marble white, Garnet red • S-Voice natural language commands and dictation • USB OTG On-the-go • Smart Stay eye tracking • TouchWiz with Motion UX • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Galaxy S3 (SGH-i747) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.74W/kg (head), 0.82W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.422W/kg (head), 1.544W/kg (body) | 0.198W/kg (head) |