Amlogic S905X5M vs Amlogic S905X4: Key Differences & Features
Introduction
The Amlogic S905X5M and S905X4 are System-on-Chip (SoC) solutions designed for modern media devices, including Android TV boxes, smart TVs, and digital signage applications. While both SoCs offer robust performance, the S905X5M introduces several enhancements over the S905X4, making it a compelling choice for next-generation multimedia experiences.
1. CPU Architecture and Performance
The S905X4 features a quad-core ARM Cortex-A55 CPU clocked up to 2.0 GHz, providing efficient processing capabilities for standard media tasks. In contrast, the S905X5M upgrades to a quad-core Cortex-A55 CPU with a higher clock speed of up to 2.5 GHz, delivering improved performance for more demanding applications.
2. GPU Enhancements
Both SoCs are equipped with ARM Mali GPUs; however, the S905X5M incorporates the newer Mali-G310 V2 GPU, offering up to three times the performance of the Mali-G31 MP2 GPU found in the S905X4. This enhancement translates to smoother graphics rendering and better support for HDR user interfaces.
3. Memory and Storage Support
The S905X4 supports 32-bit DDR3/3L/4 and LPDDR3/4 memory configurations, with a maximum capacity of 4GB at DDR3200 speeds. The S905X5M, on the other hand, supports 16/32-bit DDR4/LPDDR4 memory up to 4GB at DDR3200 speeds, offering improved memory bandwidth and efficiency.
4. Video Decoding and Encoding Capabilities
Both SoCs support hardware-accelerated decoding for AV1 and H.265 up to 4Kp60. However, the S905X5M drops support for H.265 1080p60 video encoding, retaining only H.264 1080p30 encoding capabilities. This change may impact applications requiring high-resolution video encoding.
5. AI and Super Resolution Features
A notable addition in the S905X5M is the inline AI-SR (AISR2) neural network accelerator, designed for Super Resolution video upscaling. This feature enhances video quality by improving image clarity and detail, particularly beneficial for streaming and digital signage applications.
6. Connectivity and I/O Support
Both SoCs offer similar connectivity options, including HDMI 2.1b with support for 4Kp60 output, ALLM, eARC, and CVBS. The S905X5M introduces support for eMMC 5.2 with hardware command queuing and inline encryption, as well as SLC/QSPI NAND Flash, providing enhanced storage performance and security features.
7. Power Efficiency
Manufactured using a 6nm process, the S905X5M exhibits improved power efficiency compared to the 12nm process used in the S905X4. This results in lower thermal output and better performance under sustained loads, making the S905X5M more suitable for compact and fanless device designs.
8. Application Suitability
The S905X4 remains a solid choice for cost-effective media devices requiring reliable performance for standard streaming and playback tasks. In contrast, the S905X5M is better suited for high-end applications demanding superior graphics performance, AI-enhanced video features, and efficient power consumption, such as advanced Android TV boxes and digital signage solutions.
Conclusion
While both the Amlogic S905X5M and S905X4 offer robust capabilities for media applications, the S905X5M introduces significant enhancements in CPU and GPU performance, AI features, and power efficiency. These improvements make it a compelling choice for developers and manufacturers aiming to deliver cutting-edge multimedia experiences.
Comparison Table
| Feature | Amlogic S905X4 | Amlogic S905X5M |
|---|---|---|
| CPU | Quad-core Cortex-A55 up to 2.0 GHz | Quad-core Cortex-A55 up to 2.5 GHz |
| GPU | ARM Mali-G31 MP2 | ARM Mali-G310 V2 |
| Memory Support | DDR3/3L/4, LPDDR3/4 up to 4GB | DDR4/LPDDR4 up to 4GB |
| Video Decoding | AV1, H.265 up to 4Kp60 | AV1, H.265 up to 4Kp60 |
| Video Encoding | H.264/H.265 up to 1080p60 | H.264 up to 1080p30 |
| AI Features | None | Inline AI-SR (AISR2) |
| Storage Support | eMMC 5.0, NAND Flash, SD | eMMC 5.2, SLC/QSPI NAND Flash, SD |
| HDMI Output | HDMI 2.1b 4Kp60, ALLM, eARC | HDMI 2.1b 4Kp60, ALLM, eARC |
| Power Efficiency | 12nm process | 6nm process |
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With a strong R&D team, flexible manufacturing capabilities, and strict quality control processes, SZTomato ensures your products meet the highest standards while minimizing time-to-market. Contact SZTomato today to discuss how we can support your next-generation Android TV Box or digital signage project using the advanced features of the Amlogic S905X5M and S905X4 platforms
