Arm Mali G78 GPU and G68 GPU Offer 25 Percent Better Performance
With the help of the Big Brother processor and its fast development, the graphics core of the ARM Mali series dominates the cellular area and defeats old rivals PowerVR with a slight temper. ARM now returns the new Mali G78 flagship GPU under the Mali G68 flagship GPU class
Introduction to GPU ArM Mali G78 and GPU G68
With the help of the Big Brother processor and its fast development, the graphics core of the ARM Mali series dominates the cellular area and defeats old rivals PowerVR with a slight temper. ARM now returns the new Mali G78 flagship GPU under the Mali G68 flagship GPU class!
Main features of Arm Mali G78
- Supports up to 24 cores
- Top level asynchronous
- Tiler Repair
- Improved fragment dependency tracking.
Last year, the Mali-G77 debuted with the new Valhall graphics architecture, mostly adopted from the highest SoC level, and this time the Mali G78, of course, the newest version, which for the first time supports up to 24 cores, more than half of the 16 of Mali G77.
Of course we know that this is all theoretical. The maximum commercial size of the Mali-G77 is currently only 11 cores, meaning that the Samsung Exynos 990, and the MediaTek Dimensity 1000 series only use 9.
ARM claims that the GPU Arm Mali G78 can offer up to 25 percent performance improvement compared to the Mali G77, even in the same process conditions by up to 15 percent, with a 10 percent increase in energy efficiency and 15 percent increase in machine learning performance. Thanks to the overall architecture, processes and other improvements.
Aside from scaling, the Mali-G78 also improves architectural upgrades, but not by much. Officers only emphasized switching from the global clock domain for the entire GPU to a new two-tier structure to separate the shared GPU. The top-level module of the actual shader core frequency, which is the asynchronous clock domain.
In this way, the GPU core can be operated quickly or slowly at a different frequency from the others, which eliminates the imbalance between geometric outputs and calculations, textures and motors and allows the GPU to work even at different voltages. This reduces power consumption and increases energy efficiency, which is also common in lower-class processors and GPUs.
In addition, Mali-G78 completely rewrites the Fusion Multiply-Add (FMA) engine, including a new multiplication architecture, a new addition architecture and floating point FP32 / FP16, saving 30% power.
Mali-G68 is the first clear GPU sub-flagship in the middle of the Mali-G70 and Mali-G50 series. The architecture and function are the same as for the Mali-G78. The only difference is that only a maximum of 6 cores can be supported. In other words, a 1-6 core configuration is called Mali-G68, a 7-24 core configuration is called Mali-G78, as simple as that.
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