OS Android 5.1.1 (Lollipop), upgradable to 7.0 (Nougat), TouchWiz UI
Chipset Exynos 7420 Octa (14 nm)
CPU Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53)
GPU Mali-T760MP8
Storage: 64GB
RAM: 4GB

OS Android 5.1.1 (Lollipop), upgradable to 7.0 (Nougat), TouchWiz UI
Chipset Exynos 7420 Octa (14 nm)
CPU Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53)
GPU Mali-T760MP8
Storage: 64GB
RAM: 4GB

OS Android 5.1.1 (Lollipop), upgradable to 7.0 (Nougat), TouchWiz UI
Chipset Exynos 7420 Octa (14 nm)
CPU Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53)
GPU Mali-T760MP8
Storage: 64GB
RAM: 4GB

OS Android 5.1.1 (Lollipop), upgradable to 7.0 (Nougat), TouchWiz UI
Chipset Exynos 7420 Octa (14 nm)
CPU Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53)
GPU Mali-T760MP8
Storage: 64GB
RAM: 4GB

OS Android 8.0 (Oreo)
Chipset Exynos 7570 Quad (14 nm)
CPU Quad-core 1.4 GHz Cortex-A53
GPU Mali-T720 MP2
Storage: 64GB
RAM: 4GB

OS Android 8.1 Oreo (Go edition)
Chipset Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU Quad-core 1.4 GHz Cortex-A53
GPU Adreno 308
Storage: 16GB
RAM: 1GB

OS Android 8.0 (Oreo), upgradable to Android 10, One UI 2.0
Chipset Exynos 7570 Quad (14 nm)
CPU Quad-core 1.4 GHz Cortex-A53
GPU Mali-T830 MP1
Storage: 64GB
RAM: 4GB

OS Android 8.0 (Oreo), upgradable to Android 10, One UI 2.0
Chipset Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU Quad-core 1.4 GHz Cortex-A53
GPU Adreno 308
Storage: 64GB
RAM: 4GB

OS Android 8.0 (Oreo), upgradable to Android 10, One UI 2.0
Chipset Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU Quad-core 1.4 GHz Cortex-A53
GPU Adreno 308
Storage: 64GB
RAM: 4GB

OS Android 8.1 Oreo (Go edition)
Chipset Exynos 7570 Quad (14 nm)
CPU Quad-core 1.4 GHz Cortex-A53
GPU Mali-T720
Storage: 16GB
RAM: 1GB

OS Android 8.0 (Oreo), upgradable to Android 10, One UI 2.0
Chipset Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU Quad-core 1.4 GHz Cortex-A53
GPU Adreno 308
Storage: 64GB
RAM: 4GB

OS Android 7.0 (Nougat), upgradable to Android 9.0 (Pie)
Chipset Exynos 7570 Quad (14 nm)
CPU Quad-core 1.4 GHz Cortex-A53
GPU Mali-T720
Storage: 32GB
RAM: 3GB

OS Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
Chipset Exynos 7570 Quad (14 nm)
CPU Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
GPU Mali-G71
Storage: 32GB
RAM: 3GB

OS Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
Chipset Mediatek MT6757 Helio P20 (16 nm)
CPU Octa-core (4x2.35 GHz Cortex-A53 & 4x1.65 GHz Cortex-A53)
GPU Mali-T880MP2
Storage: 32GB
RAM: 3GB

OS Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
Chipset Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Octa-core 2.2 GHz Cortex-A53
GPU Adreno 506
Storage: 32GB
RAM: 3GB

OS Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
Chipset Exynos 7870 Octa (14 nm)
CPU Octa-core 2.2 GHz Cortex-A53
GPU Mali-T830 MP1
Storage: 32GB
RAM: 3GB

OS Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
Chipset Exynos 7870 Octa (14 nm)
CPU Octa-core 2.2 GHz Cortex-A53
GPU Mali-T830 MP1
Storage: 32GB
RAM: 3GB

OS Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
Chipset Exynos 7870 Octa (14 nm)
CPU Octa-core 2.2 GHz Cortex-A53
GPU Mali-T720 MP2
Storage: 32GB
RAM: 3GB

OS Android 6.0 (Marshmallow)
Chipset Mediatek MT6737T (28 nm)
CPU Octa-core 2.2 GHz Cortex-A53
GPU Mali-T720MP2
Storage: 32GB
RAM: 3GB

OS Android 5.1 (Lollipop) - 3G model
Chipset Spreadtrum SC9830
CPU Quad-core 1.5 GHz - J106F/DS
GPU Mali-400MP2
Storage: 8GB
RAM: 1GB