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Oct 24, 2024

Amlogic S905X5M vs S905X4 - Features and benchmarks comparison - CNX Software

Amlogic S905X5M is an update to the Amlogic S905X4 quad-core Cortex-A55 SoC with a higher 2.5 GHz CPU clock and a new generation Arm G310 CPU that delivers up to close to three times the performance

Amlogic S905X5M is an update to the Amlogic S905X4 quad-core Cortex-A55 SoC with a higher 2.5 GHz CPU clock and a new generation Arm G310 CPU that delivers up to close to three times the performance of the Mali-G31 MP2 GPU for more advanced and smoother HDR user interfaces.

The S905X5M and S905X4 share the same video decoding capabilities, notably AV1 and H265 up to 4Kp75, but the new S905X5M drops support for H.265 1080p60 video encoding, only keeping H.264 1080p30. One of the new features is the inclusion of an NPU designed specifically for Super Resolution enabling video upscaling with better image quality. You’ll find the differences between the Amlogic S905X5M and S905X5 processors in the comparison table below.

The Amlogic S905X5M adds some HDMI 2.1 features that deserve an explanation:

The Amlogic S905X5M also loses some features such as TCH PRIME DRM, the HiFi 4 audio DSP, and the USB 3.0/PCIe Gen2 interface. The latter is unlikely to be an issue for TV boxes and set-top boxes, but it’s disappointing for alternative use cases like single board computers. Note the Amlogic S905X5M is not to be confused with the more powerful Amlogic S905X5 SoC unveiled last year, and which is now scheduled to launch in about two months, according to SEI Robotics that provided the information above, along with the S905X4 vs S905X5M benchmarks comparison table below.

Android U refers to Android 14, and all benchmarks (Antutu 10.2.6, GFXBench 5.0.5, 3DMark 2.1) include 3D graphics tests showcasing the much higher performance of the Arm Mali-G310 V2 GPU that ranges from 132.45% to 180.08% increase in performance, or between 1.36 to 2.8 times faster. CPU performance has also increased by 16 to 36%, and memory bandwidth is much higher as well despite no big changes listed in the specifications provided by the company. The video below is supposed to show how the UI on the right (S905X5M) is rendering more smoothly than the UI on the left (S905X4), but I’m not 100% convinced that’s the best demo for the new GPU…

SEI Robotics will be one of the first companies to launch an Amlogic S905X5M powered TV box running Android 14 TV and implementing the new features listed above such as AI-SR, QMS, a faster user interface, Doby Audio, Dolby Vision, eARC, and so on.

Note the company is an ODM working with operators so that specific model will not be directly sold to individuals, but it will become available in September through three tier 1 operators which are unnamed in the press release.

Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.

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