Samsung Galaxy A56 (SM-A5660 256GB/8GB) vs Samsung Galaxy S3 (GT-i9300 16GB)
Side by side comparison between Samsung Galaxy A56 vs Samsung Galaxy S3 phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1080x2340
50
MP
MP
12mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
4.8"
AMOLED
AMOLED
720x1280
8
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2100
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy A56 (SM-A5660 256GB/8GB)
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!
27 Advantages 
8 Advantages | 21 Common items in both devices |
| Super AMOLED |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| BSI sensor |
| Capacitive |
| +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 A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| Model | Galaxy A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) |
| Other model names | Galaxy A56 5G SM-A5660 Dual-SIM | Samsung Galaxy S III i9300, Galaxy S3 i9300 |
| Country or region available |    China, Hong Kong, Thailand |  (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 3/10/2025, Announced: 3/2/2025 | 5/22/2012 |
| Depth | 7.4 millimeters (0.29 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 77.5 x 162.2 millimeters (3.05 x 6.39 in) | 70.6 x 136.6 millimeters (2.78 x 5.38 in) |
| Weight | 198 grams (6.93 ounces) | 133 grams (4.66 ounces) |
| Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass Victus+ | Plastic body, glass front |
| Protection against water and others | IP67 certified: dust proof and waterproof over 1 meter and 30min | Not supported |
📲 Display | ||
| Galaxy A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.7" inches | 4.8" inches |
| Screen-to-body ratio | ~87.7% (screen-to-body ratio) | ~65.9% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 385 PPI | 306 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 2 |
| Refresh rate | 120Hz | feature not registered |
| Display features | 1900nits[peak] HDR10+ Always-On Display | feature not registered |
🤖 Operating System | ||
| Galaxy A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| System version | Android 15 | Android 4.0.4 Ice Cream Sandwich ICS |
| Firmware update | feature not registered | Android 4.3 Jelly Bean |
| User Interface | One UI 7.0 | feature not registered |
⚙️ Processor | ||
| Galaxy A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| Chipset | 64bit: Samsung Exynos 1580 (4nm) | 32bit: Samsung Exynos 4 Quad 4412 (32nm) |
| CPU | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-A720 (Single-core) 3x 2.6GHz ARM Cortex-A720 (Triple-core) 4x 1.95GHz ARM Cortex-A520 (Quad-core) | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A9 (Quad-core) |
| GPU graphical controller | Samsung Xclipse 540 (1.3Ghz) | ARM Mali-400 MP4 |
| Performance (benchmark) | AnTuTu: 908692 (v10) Geekbench: 3899 (v6) | feature not registered |
💽 Memory and storage | ||
| Galaxy A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| RAM memory | 8GB LPDDR5 | 1GB LPDDR2 |
| Internal storage | 256GB (233GB available) UFS 3.1 | 16GB (11GB available) |
| External storage | Not supported | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 850/900/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 28, 38, 40, 41, 66, 77, 78) TD-LTE (34, 38, 40, 41) VoLTE | Not supported |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 28, 38, 40, 41, 66, 77, 78) TD-LTE (34, 38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | Not supported |
📷 Camera | ||
| Galaxy A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| Back camera (main camera) | (triple camera) 50 megapixels 12MP ultrawide f/2.2123°1/3.06"1.12µm 5MP macro f/2.4 | 8 megapixels |
| Main camera resolution | 8160x6120 pixels | 3264x2448 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.6 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/1.56" inches | 1/3" inches |
| Pixel size | 1µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | 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 | Supported |
| HDR | HDR photo/video on both cameras | HDR photo only main camera |
| Camera extras | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) 10-bit HDR | feature not registered |
📸 Front camera | ||
| Galaxy A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| Front camera (secondary) | 12 megapixels | 2 megapixels |
| Front camera resolution | 4000x3000 pixels | 1600x1200 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 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 A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| Loudspeaker | Stereo sound | Supported |
| Active noise cancellation | 3 microphones | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| 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 A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Micro-B USB MHL |
| Bluetooth | 5.3 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (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, QZSS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) EB-L1G6LLU |
| Battery capacity | 5000 mAh | 2100 mAh |
| Charger, watts | 45W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 11.7 hours |
| Standby | feature not registered | 790 hours (32.9 days) |
➕ Other features | ||
| Galaxy A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| 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: Graphite, Lightgray, Pink, Olive | • Colors: Pebble blue, Marble white • 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 A56 (SM-A5660 256GB/8GB) | Galaxy S3 (GT-i9300 16GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.628W/kg (head), 1.584W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.342W/kg (head), 0.547W/kg (body) |