| Global Score | |
| 87.4 | 85 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.0 | Android 10, 9.0 Pie |
| 2015-04-11 | 2019-06-18 |
| 5.65 x 2.78 x 0.27 inches | 6.11 x 2.91 x 0.31 inches |
| 4.87 ounces | 5.93 ounces |
| Black, Blue, Gold and White | Midnight blue and Seawater blue |
| Aluminium and Glass | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 252.00 | -- |
| Display / Screen | |
| 5.1 inches | 6.3 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 576 pixels per inch | 409 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 8.1 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Qualcomm Snapdragon 675 SM6150 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 3 GB (1600 MHz) RAM | 6 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Adreno 612 GPU |
| 10.08 | 9.18 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 16.00 MP + 5.00 MP | 32.00 MP + 16.00 MP |
| f/1.90 aperture | f/1.70 aperture |
| 28.00mm focal length | 27.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.01 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 2550mAh Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.56 | 5.44 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Samsung Galaxy S6 has an overall score of 87.4, which is a bit better than the Galaxy M40's global score of 85. Both of these phones use Android OS, but Samsung Galaxy S6 has older 5.0 version while Galaxy M40 has Android 10 version. Samsung Galaxy S6 is an incredibly older cellphone than the Galaxy M40, but it is somewhat lighter and somewhat thinner anyway.
Samsung Galaxy S6 counts with a lot better screen than Galaxy M40, because although it has a little smaller screen, it also counts with a better screen pixels density and a higher 2560 x 1440px resolution. Galaxy S6 features a bit better performance than Galaxy M40, because although it has 3 GB less RAM memory, and they both have the same number of cores, the Galaxy S6 also counts with a 64 bits CPU and an additional graphics processor.
The Galaxy M40 counts with a very superior memory capacity for applications, games, photos and videos than Galaxy S6, and although they both have the same internal memory, the Galaxy M40 also has a slot for an SD memory card that admits a maximum of 512 GB. The Samsung Galaxy M40 counts with a little bit better camera than Galaxy S6, because although it has a smaller camera sensor, and they both have the same video definition and the same video frame rate, the Samsung Galaxy M40 also counts with a bigger diafragm aperture and a lot better 32 mega pixels resolution back facing camera.
Galaxy M40 has longer battery performance than Galaxy S6, because it has 3500mAh of battery capacity.
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