Compare phones
| Global Score | |
| 72.2 | 78.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.3, 4.2, 4.1, 4.0.4 | Android 10, 9.0 Pie, 8.1 Oreo |
| 2012-06-04 | 2019-02-05 |
| 5.38 x 2.78 x 0.34 inches | 6.16 x 2.93 x 0.35 inches |
| 4.73 ounces | 6.56 ounces |
| Blue, Red and White | Charcoal black and Ocean blue |
| Polycarbonate | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 585.00 | -- |
| Display / Screen | |
| 4.8 inches | 6.3 inches |
| 720 x 1280 pixels (HD) | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 306 pixels per inch | 409 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.2 | 8 |
| Performance | |
| Qualcomm Snapdragon S4 Plus MSM8960 chipset | Samsung Exynos 7 Octa 7904 chipset |
| Krait (Dual-Core 1500 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 2 GB (500 MHz) RAM | 4 GB RAM |
| Adreno 225 (400 MHz) GPU | Mali-G71 MP2 GPU |
| 8.46 | 8.91 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 6.16 | 11.74 |
| Camera | |
| 8.00 MP + 1.90 MP | 13.00 MP + 8.00 MP |
| f/2.60 aperture | f/1.90 aperture |
| -- | 12.00mm focal length |
| 0.33 inches (1/3") sensor | 0.32 inches (1/3.1") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.47 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 2100mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 199 hours standby time 8 hours talk time | -- |
| 4 | 6.8 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M20 is a bit better than the Samsung Galaxy S III AT&T, getting a 78.9 score against 72.2. The Samsung Galaxy M20 is a noticeably newer cellphone than the Samsung Galaxy S III AT&T, although it's extremely heavier and a bit thicker. These phones have Android operating system, but the Samsung Galaxy M20 has newer 10 version and Samsung Galaxy S III AT&T has Android 4.3 version.
The Galaxy M20 has just a bit better hardware performance than Samsung Galaxy S III AT&T, because although it has doesn't have an additional graphics co-processor, it also counts with a larger amount of RAM and more cpu cores. The Galaxy S III AT&T features a bit more vivid display than Galaxy M20, although it has a lot worse display pixel density, a lot lower resolution of 1280 x 720px and a lot smaller display.
The Samsung Galaxy M20 counts with a way bigger memory for apps and games than Samsung Galaxy S III AT&T, because it has more internal storage capacity and a SD extension slot that supports a maximum of 512 GB. Samsung Galaxy M20 takes a little bit better pictures and videos than Galaxy S III AT&T, because although it has a tinier back-facing camera sensor offering a lower image quality, and they both have the same (Full HD) video resolution and the same 30 frames per second video frame rate, the Samsung Galaxy M20 also counts with a lot larger aperture to capture better low-light photography and videos and a way more mega-pixels camera in the back.
The Galaxy M20 counts with a much longer battery performance than Galaxy S III AT&T, because it has a 5000mAh battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.