The Samsung Exynos 7 Octa is a 64-bit SoC for mainstream smartphones and tablets (usually Android based). It was announced in February 2016 and integrates eight Cortex-A53 cores, which are manufactured in a modern 14-nm process. Compared to the previous 28-nm-SoCs, the performance was increased and the power consumption is 30 % lower according to Samsung. The integrated LZE Cat.6 modem reaches transfer rates of up to 300 Mbps (downstream) and 50 Mbps (upstream). The dual-channel memory controller supports LPDDR3-1866 RAM.
The graphics adapter ARM Mali-T830 MP2 (core clock of 700 MHz according to Wikipedia) is also used in combination with the HiSilicon Kirin 650 SoC. Besides OpenGL ES 3.2, it also supports OpenCL 1.2 as well as DirectX 11 (FL 9_3). The performance is sufficient for common Android games from 2016 at medium details.
The Qualcomm Snapdragon 425 (8917) is an ARM-based entry level SoC for tablets and smartphones (mostly Android based). It was announced in February 2016 and integrates four 64-Bit Cortex-A53 CPU cores (quad-core) that clock with up to 1.4 GHz. Furthermore, there is a Adreno 308 graphics card, a LPDDR3 memory controller (max. 667 MHz) and wireless radios for WiFi and 4G/LTE included in the chip.
The Cortex-A53 is the successor of the entry level Cortex-A7 CPU cores. The A53 is now capable of 64 Bit (ARMv8-ISA) and adressing more than 4 GB RAM. According to ARM the performance per MHz is a lot better and even surpasses a Cortex-A9 core.
The integrated Adreno 308 ist the integrated graphics card that supports OpenGL ES 3.0.
The integrated wireless radios support WiFi 802.11ac Wave 2, Bluetooth 4.1, GPS/GLONASS/Baidou, 2G, 3G and 4G (LTE Cat.4) standards. Futhermore, the SoC is able to decode 1080p videos in H.265 (encode only in H.264) and cameras with up to 13 MP.
The power consumption of the chip is ranging in the lower range, and therefore it is also suited for smaller smartphones. It is manufactured in 28 nm LP at TSMC.
The Samsung Exynos 7 Octa 7780 is a 64-bit SoC for mainstream smartphones and tablets (usually Android based). It was announced early 2017 and integrates eight Cortex-A53 cores clocked at up to 1.9 GHz. It is manufactured in the modern 14 nm FinFET process at Samsung and integrates an LTE Cat 7 modem. The (dual channel?) memory controller supports LPDDR4 RAM.
Additionally, the SoC integrates GPS, GLONASS and Baido positioning systems, UHD / HEVC (H.265) video de- and encoding and UFS 2.0 / eMMC 5.1 storage.
Average Benchmarks Samsung Exynos 7870 Octa → 100%n=11
Average Benchmarks Qualcomm Snapdragon 425 (MSM8917) → 131%n=11
Average Benchmarks Samsung Exynos 7880 → 109%n=11
- Range of benchmark values for this graphics card - Average benchmark values for this graphics card * Smaller numbers mean a higher performance 1 This benchmark is not used for the average calculation
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