Compare phones
| Global Score | |
| 72.2 | 85 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.3, 4.2, 4.1, 4.0.4 | Android 10, 9.0 Pie |
| 2012-06-04 | 2019-06-18 |
| 5.38 x 2.78 x 0.34 inches | 6.11 x 2.91 x 0.31 inches |
| 4.73 ounces | 5.93 ounces |
| Blue, Red and White | Midnight blue and Seawater blue |
| Polycarbonate | Plastic |
| Scratch-Resistant Glass | 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 | 8.1 |
| Performance | |
| Qualcomm Snapdragon S4 Plus MSM8960 chipset | Qualcomm Snapdragon 675 SM6150 chipset |
| Krait (Dual-Core 1500 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 2 GB (500 MHz) RAM | 6 GB RAM |
| Adreno 225 (400 MHz) GPU | Adreno 612 GPU |
| 8.46 | 9.18 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 6.16 | 14.14 |
| Camera | |
| 8.00 MP + 1.90 MP | 32.00 MP + 16.00 MP |
| f/2.60 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.33 inches (1/3") sensor | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 8.47 | 10.78 |
| 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 |
| 7 | 6.7 |
| Battery Life | |
| 2100mAh Li-Ion Battery | 3500mAh Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 199 hours standby time 8 hours talk time | -- |
| 4 | 5.44 |
| 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 M40 is better than Galaxy S III AT&T, with an 85 score against 72.2. Samsung Galaxy M40's body is incredibly newer and a little bit thinner than Galaxy S III AT&T's, but it's way heavier. Both devices in this comparison review use Android OS, but Samsung Galaxy M40 has a newer 10 version and Galaxy S III AT&T has Android 4.3, so it offers some nice extra features and performance improvements.
The Samsung Galaxy S III AT&T features a little bit better looking screen than Galaxy M40, although it has a much lower 1280 x 720 resolution, a lot smaller screen and a lot worse pixels number per display inch. Samsung Galaxy M40 has just a little better performance than Galaxy S III AT&T, because although it has doesn't have an additional graphics processing unit, it also counts with more RAM memory and a greater number of cores.
The Galaxy M40 has a way bigger storage for games and applications than Samsung Galaxy S III AT&T, because it has an external memory slot that admits up to 512 GB and 112 GB more internal memory capacity. Galaxy M40 has a greater camera than Samsung Galaxy S III AT&T, because it has a lot larger aperture for better low-light photos and video, a camera with a way better resolution, a bigger back camera sensor which offers a better image and video quality and a lot higher video definition.
Samsung Galaxy M40 features a very superior battery performance than Galaxy S III AT&T, because it has 3500mAh of battery capacity instead of 2100mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.