The Samsung Exynos 5433 Octa (also called Exynos 7 Octa) is a 64-bit capable system-on-a-chip (SoC) for smartphones and tablets. It was launched in September 2014 alongside the Samsung Galaxy Note 4 and features four Cortex-A57 cores clocked at up to 1.9 GHz. Furthermore, there are four additional Cortex-A53 cores at up to 1.3 GHz, an ARM Mali-T760 MP6 GPU and a 2x 32 bit LPDDR3-1650 memory controller (up to 13.2 GB/s).
Processor
Cortex-A57 and Cortex-A53 represent the successors of the Cortex-A15 and Cortex-A7 architecture. In addition to some small tweaks leading to a somewhat higher performance per clock, both Cortex-A57 and -A53 are now 64-bit capable ARMv8 designs (Cortex-A15 and -A7: 32 bit ARMv7). Overall, the multi-threaded performance is similar to the Nvidia Tegra K1 and slightly above the Apple A8. However, the dual-core A8 wins most single-threaded benchmarks.
While the powerful Cortex-A57 cores will handle complex software and games, the SoC can switch to the more efficient Cortex-A53 cluster in less demanding applications. If necessary, it's possible to activate individual cores from each cluster or even all eight cores at the same time. This concept developed by ARM is known as "big.LITTLE" and intended to improve the battery life.
Graphics
The Exynos 5433 integrates a Mali-T760 MP6 GPU, which offers six shader clusters (not yet confirmed) clocked at up to 700 MHz (206 GFLOPS). The Mali-T760 supports OpenGL ES 3.1, OpenCL 1.1 and DirectX 11 and offers a performance similar to the Adreno 420 (Snapdragon 805) or PowerVR GX6450 (Apple A8). Thus, the GPU is one of the high-end solutions as of 2014 and can handle even the most demanding Android games in high resolutions (Note 4: 2560 x 1440 pixels) and detail settings.
Power Consumption
The Exynos 7 Octa, which is manufactured in a 20 nm process by Samsung, should have an estimated TDP of about 3 to 4 W. Similar to other high-end SoCs, it is possible that sustained load will lead to throttling of the CPU or GPU (especially in smartphones).
| Codename | Cortex-A57/-A53 | ||||||||
| Series | Samsung Exynos | ||||||||
Series: Exynos Cortex-A57/-A53
| |||||||||
| Clock Rate | 1900 MHz | ||||||||
| Number of Cores / Threads | 8 / 8 | ||||||||
| Manufacturing Technology | 20 nm | ||||||||
| Features | ARM Mali-T760 MP6 GPU (700 MHz), 4x Cortex-A57 (1.9 GHz) + 4x Cortex-A53 (1.3 GHz, big.LITTLE), 2x 32 Bit LPDDR3-1650 Memory Controller | ||||||||
| GPU | ARM Mali-T760 MP6 (? - 700 MHz) | ||||||||
| 64 Bit | 64 Bit support | ||||||||
| Architecture | ARM | ||||||||
| Announcement Date | 09/03/2014 | ||||||||
| Product Link (external) | www.samsung.com | ||||||||
- Average benchmark values for this graphics card
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