Samsung Galaxy M51 Dual SIM vs Samsung Galaxy Note 8 Dual SIM
| Type | Touch | Touch | Touch | Touch |
| Waterproofness & dust-resistance | IP68 | IP52 | ||
| Dimensions | 163.90 x 76.30 x 9.50 mm | 162.50 x 74.80 x 8.60 mm | 154.00 x 72.00 x 8.90 mm | 169.60 x 75.90 x 9.80 mm |
| Weight | 213.00 g | 195.00 g | 156.00 g | 225.00 g |
| Display size | 6.67" | 6.30" | 5.70" | 6.78" |
| Display | Color / Super AMOLED Plus 16M colors 60 Hz 1080 x 2400 px (6.67") 395 ppi | Color / Super AMOLED 16M colors 1440 x 2960 px (6.30") 522 ppi | Color / IPS TFT 16M colors 720 x 1570 px (5.70") 303 ppi | Color / IPS TFT 16M colors 120 Hz 1080 x 2460 px (6.78") 396 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| Corning Gorilla Glass Buy screen protector
| ||
| Additional display | ||||
| Protection of the secondary display | ||||
| Talk time (max.) | 4G: 3840 min. (64.0 h) | 3G: 1020 min. (17.0 h) | ||
| Stand-by (max.) | 3G: 408 h. (17.0 days) | |||
| Playback time (max.) | Audio: 182 h (7.6 days) Video: 34 h (1.4 days) | nd | nd | nd |
| Internet browsing time (max.) | WiFi: 24 h (1.0 days) 4G: 23 h (1.0 days) | nd | nd | nd |
| Standard battery | Li-Ion 7000 mAhBuy powerbank
| Li-Ion 3300 mAhBuy powerbank
| Li-Ion 3300 mAhBuy powerbank
| Li-Ion 6000 mAhBuy powerbank
|
| Quick battery charging | Fast Charging | Quick Charge 2.0 | TurboPower 20 | |
| Wireless battery charging | PMA | |||
| Internal memory | 128 GB | 64 GB, 128 GB, 256 GB | 32 GB | 64 GB, 128 GB |
| End-user memory | 106 GB | 51.2 GB | ||
| RAM memory | 6 GB, 8 GB | 6 GB | 3 GB | 4 GB, 6 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 512 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card | microSD, microSDHC, microSDXC up to 512 GBBuy memory card | microSD, microSDHC, microSDXC up to 1000 GBBuy memory card |
| Operating system | Android 10 | Android 7.1.1 Nougat | Android 8.0 Oreo | Android 11 |
| Processor | Qualcomm Snapdragon 730 | Samsung Exynos 8895 | MediaTek Helio P22 MT6762 | Qualcomm Snapdragon 732G |
| Processor clock | 2200 MHz | 2300 MHz | 2000 MHz | 2300 MHz |
| GPU | Adreno 618 | ARM Mali-G71 @550 MHz | PowerVR GE8320 @650 MHz | Adreno 618 |
| Touchscreen | ||||
| SAR (10g) | 1,446 W/kg | 1,29 W/kg | ||
| DualSIM | ||||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | SingleSIM(nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby | nd | dual standby |
| Hybrid DualSIM | nanoSIM, microSD | nd | nanoSIM, microSD | |
| Announced | 3Q 2020 | 3Q 2017 | 1Q 2019 | 2Q 2021 |
| Other names | SM-M515F/DSN | Galaxy Note8 Dual SIM; SM-N950F/DS | I3312; I3322 | PANV0002IN; PANV0006IN; PANV0010IN |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 850, 800 TDD LTE: 2600, 2500, 2300, 2100, 1900 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 |
| Standard 5G | ||||
| CDMA | 850 | 850 1900 CDMA2000 1xEV-DO | ||
| Standard TD-SCDMA | ||||
| UMA |



