Samsung Galaxy A30s (SM-A307GT/DS) vs Samsung Galaxy S3 Slim Duos (SM-G3812B)
Side by side comparison between Samsung Galaxy A30s vs Samsung Galaxy S3 Slim phones, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
720x1560
25
MP
MP
16mp
4GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
4.5"
TFT
TFT
540x960
5
MP
MP
0.3mp
1GB
RAM
RAM
Quad-core
2100
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy A30s (SM-A307GT/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!
24 Advantages 
3 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 A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Model | Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) |
| Other model names | Galaxy A30s TV SM-A307GT/Dual-Sim (64GB + 4GB RAM) | Galaxy S3 Slim G3812B, Samsung Galaxy Win Pro |
| Country or region available |  Brazil | Brazil |
| Brand | Samsung | Samsung |
| Release date | 9/1/2019, Announced: 8/22/2019 | 3/1/2014 |
| Depth | 7.8 millimeters (0.31 inches) | 9.7 millimeters (0.38 inches) |
| Size (width x height) | 74.7 x 158.5 millimeters (2.94 x 6.24 in) | 66 x 133 millimeters (2.6 x 5.24 in) |
| Weight | 169 grams (5.92 ounces) | 139 grams (4.87 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 6.4" inches | 4.5" inches |
| Screen-to-body ratio | ~84.9% (screen-to-body ratio) | ~63.6% (screen-to-body ratio) |
| Display resolution | 720x1560 pixels (19.5:9) | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 268 PPI | 245 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| System version | Android 9.0 Pie | Android 4.2.2 Jelly Bean |
| Firmware update | Android 11 | feature not registered |
| User Interface | One UI 2.0 / 3.1 | feature not registered |
⚙️ Processor | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Chipset | 64bit: Samsung Exynos 7904 (14nm) | 32bit: Qualcomm Snapdragon 200 MSM8225Q |
| CPU | Octa-core, 2 processors: 2x 1.8GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A5 (Quad-core) |
| GPU graphical controller | ARM Mali-G71 MP2 (770MHz) | Qualcomm Adreno 203 |
| Performance (benchmark) | AnTuTu: 123142 (v8) | feature not registered |
💽 Memory and storage | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| RAM memory | 4GB LPDDR4X | 1GB LPDDR2 |
| Internal storage | 64GB (49GB available) eMMC 5.1 | 8GB (5GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 600/150 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 850/900/1700/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (38, 40, 41) | Not supported |
| 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+ |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE |
📷 Camera | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Back camera (main camera) | (triple camera) 25 megapixels 8MP ultrawide f/2.213mm1/4.0"1.12µm 5MP depth f/2.21/5.0"1.12µm | 5 megapixels |
| Main camera resolution | 5760x4320 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 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 | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Front camera (secondary) | 16 megapixels | 0.3 megapixels |
| Front camera resolution | 4608x3456 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM |
| TV | Digital TV FullSeg | 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 A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| 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 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4000 mAh | 2100 mAh |
| Charger, watts | 15W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| 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: Prism Crush Black, Prism Crush White, Prism Crush Green, Prism Crush Violet2 • Game Booster | • Colors: Black, White • Samsung TouchWiz UX • Java framework |
☢️ Radiation rate | ||
| Galaxy A30s (SM-A307GT/DS) | Galaxy S3 Slim Duos (SM-G3812B) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.87W/kg (head), 0.43W/kg (body) | 0.61W/kg (head), 1.13W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.553W/kg (head), 0.395W/kg (body) |