Samsung Galaxy A51 vs Huawei P9
| Type | Touch | Touch | Touch | Touch |
| Dimensions | 158.50 x 73.60 x 7.90 mm | 145.00 x 70.90 x 6.95 mm | 148.60 x 71.20 x 7.40 mm | 160.20 x 75.70 x 7.90 mm |
| Weight | 172.00 g | 144.00 g | 145.00 g | 191.00 g |
| Display size | 6.50" | 5.20" | 5.84" | 6.00" |
| Display | Color / Super AMOLED 16M colors 1080 x 2340 px (6.50") 396 ppi | Color / IPS TFT 16M colors 1080 x 1920 px (5.20") 424 ppi | Color / IPS TFT 16M colors 1080 x 2280 px (5.84") 432 ppi | Color / Super AMOLED 16M colors 1080 x 2220 px (6.00") 411 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.) | 3G: 1200 min. (20.0 h) | 3G: 1260 min. (21.0 h) | ||
| Playback time (max.) | nd | Audio: 56 h (2.3 days) Video: 12 h (0.5 days) | nd | Audio: 120 h (5.0 days) Video: 18 h (0.8 days) |
| Internet browsing time (max.) | nd | 4G: 8 h (0.3 days) | nd | WiFi: 15 h (0.6 days) 3G: 13 h (0.5 days) 4G: 14 h (0.6 days) |
| Standard battery | Li-Ion 4000 mAhBuy powerbank
| Li-Po 3000 mAhBuy powerbank
| Li-Po 3000 mAhBuy powerbank
| Li-Ion 3500 mAhBuy powerbank
|
| Quick battery charging | Fast Charging | |||
| Wireless battery charging | ||||
| Internal memory | 64 GB, 128 GB | 32 GB, 64 GB | 64 GB, 32 GB, 128 GB | 32 GB, 64 GB |
| End-user memory | UNKNOWN, 107 GB | 25 GB | 22.4 GB | |
| RAM memory | 4 GB, 6 GB, 8 GB | 3 GB, 4 GB | 4 GB, 3 GB | 3 GB, 4 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 128 GBBuy memory card | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 400 GBBuy memory card |
| Operating system | Android 10 | Android 6.0 Marshmallow | Android 8.0 Oreo | Android 8.0 Oreo |
| Interface | One UI 2.0 | EMUI 4.1 | EMUI 8.0 | - |
| Processor | Samsung Exynos 9611 | HiSilicon Kirin 955 | HiSilicon Kirin 659 | Qualcomm Snapdragon 450 |
| Processor clock | 2300 MHz | 2500 MHz | 2360 MHz | 1800 MHz |
| GPU | ARM Mali-G72 MP3 | ARM Mali-T880 | ARM Mali-T830 MP2 @900 MHz | Adreno 506 |
| Touchscreen | ||||
| SAR (10g) | 1,39 W/kg | |||
| DualSIM | ||||
| SIM cards standard | SingleSIM(nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | nd | dual standby | dual standby | nd |
| Hybrid DualSIM | nd | nanoSIM, microSD | nd | |
| Announced | 4Q 2019 | 1Q 2018 | 2Q 2018 | |
| Other names | SM-A515F; SM-A515FN; SM-A515X | P9 Dual SIM; EVA-L19 | ANE-AL00; ANE-TL00; ANE-LX1; ANE-LX2; ANE-LX3 | SM-A605F; SM-A605G; Galaxy A6+ 2018; Galaxy A6 Plus 2018 |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 850 900 1900 2100 | 850 900 1700 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2300, 1900 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 1500, 900, 850, 800, 700 TDD LTE: 2600, 2300, 2100, 1900 | FDD LTE: 2600, 2100, 1800, 900, 850, 800 TDD LTE: 2600, 2300 |
| Standard 5G | ||||
| CDMA | 850 | |||
| Standard TD-SCDMA | 1900 2000 | |||
| UMA |



