Samsung Galaxy A12 (SM-A125U) vs Samsung Galaxy S3 (GT-i9305)
Side by side comparison between Samsung Galaxy A12 vs Samsung Galaxy S3 phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
PLS
PLS
720x1600
16
MP
MP
8mp
3GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
4.8"
AMOLED
AMOLED
720x1280
8
MP
MP
2mp
2GB
RAM
RAM
Quad-core
2100
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy A12 (SM-A125U)
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!
20 Advantages 
13 Advantages | 23 Common items in both devices |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| +16 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 A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| Model | Galaxy A12 (SM-A125U) | Galaxy S3 (GT-i9305) |
| Other model names | Galaxy A12 SM-A125U (Verizon, Sprint, T-Mobile, Cricket, +) | Samsung Galaxy S3 i9305 (4G LTE) |
| Country or region available |  USA |          (Latin America), (Europe), (Global, International), Saudi Arabia, Brazil, Hong Kong, New Zealand, Pakistan, Singapore |
| Brand | Samsung | Samsung |
| Release date | 12/21/2020, Announced: 11/24/2020 | 10/1/2012 |
| Depth | 8.9 millimeters (0.35 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 75.8 x 164 millimeters (2.98 x 6.46 in) | 70.6 x 136.6 millimeters (2.78 x 5.38 in) |
| Weight | 205 grams (7.18 ounces) | 131 grams (4.59 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| Display type | TFT PLS | Super AMOLED |
| Screen size | 6.5" inches | 4.8" inches |
| Screen-to-body ratio | ~82.1% (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 | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| System version | Android 10 | Android 4.1.1 Jelly Bean |
| Firmware update | Android 11 | Android 4.4 KitKat |
| User Interface | One UI 3.1 | TouchWiz UI |
⚙️ Processor | ||
| Galaxy A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| Chipset | 64bit: MediaTek Helio P35 (MT6765) (12nm) | 32bit: Samsung Exynos 4412 (32nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A9 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 MP2 (680MHz) | ARM Mali-400 MP4 (440MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| RAM memory | 3GB LPDDR4X | 2GB LPDDR2 |
| Internal storage | 32GB (19GB available) eMMC 5.1 | 16GB (11GB available) eMMC 4.41 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 150/50 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 850/900/1700/1900/2100 | UMTS 850/900/2100 |
| Primary 4G network | LTE Cat4 (1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71) TD-LTE (38, 41) VoLTE | LTE 800/1800/2600 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| Back camera (main camera) | (quad camera) 16 megapixels 5MP ultrawide f/2.2123° 2MP macro f/2.4 2MP depth f/2.4 | 8 megapixels |
| Main camera resolution | 4608x3456 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 | feature not registered | 1/3" inches |
| Pixel size | feature not registered | feature not registered |
| Autofocus | 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 A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| Front camera (secondary) | 8 megapixels | 2 megapixels |
| Front camera resolution | 3264x2448 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 | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| Loudspeaker | Mono sound (not stereo) | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| 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 A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| 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 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) + MIMO WiFi hotspot |
| 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 A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| Sensors | Accelerometer Face unlock 2D Fingerprint sensor (side-mounted) Virtual ambient light sensor Virtual proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) EB-L1G6LLU |
| Battery capacity | 5000 mAh | 2100 mAh |
| Charger, watts | 15W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 11 hours |
| Standby | feature not registered | 510 hours (21.3 days) |
➕ Other features | ||
| Galaxy A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| 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 • Smart Stay eye tracking • S-Voice • Java framework |
☢️ Radiation rate | ||
| Galaxy A12 (SM-A125U) | Galaxy S3 (GT-i9305) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.14W/kg (head), 1.2W/kg (body) | 0.45W/kg (head), 0.87W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.244W/kg (head), 0.237W/kg (body) |