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Amlogic S905X5M and S905X4 are two popular chips in this category, but they cater to different use cases and market segments.
S905X5M:
CPU: Quad-core ARM Cortex-A55
Clock Speed: Up to 2.5 GHz
Features: The S905X5M boasts a higher clock speed and optimized energy efficiency, allowing it to handle more demanding multitasking scenarios. This makes it ideal for handling intensive processes, especially for tasks that require sustained high performance like 4K video streaming and gaming.
S905X4:
CPU: Quad-core ARM Cortex-A55
Clock Speed: Up to 2.0 GHz
Features: While the architecture is the same as the S905X5M, the S905X4 runs at a slightly lower clock speed, resulting in slightly lower performance. It's still sufficient for 4K streaming and standard tasks, making it a cost-effective choice for mid-range devices.
S905X5M:
GPU: ARM Mali-G310 V2
Graphics Features: Enhanced graphical rendering capabilities, smoother 4K interfaces, and lightweight gaming. The GPU can handle more demanding graphical outputs, making it ideal for higher-end devices and content.
S905X4:
GPU: Mali-G31 MP2 (basic version)
Graphics Features: Supports 4K HDR output, but its graphics performance is more basic. While it’s adequate for 4K content and general usage, it doesn’t provide the same high-end performance as the S905X5M, especially in demanding tasks like gaming or high-end media rendering.
S905X5M:
Resolution: Supports 4K@60fps output
Decoding: Supports AV1, VP9.
AI Features: Includes AI-enhanced super-resolution (AI-SR), improving the quality of lower-resolution content to near 4K standards, providing a more immersive viewing experience.
S905X4:
Resolution: Supports up to 4K@60fps output
Decoding: Supports AV1, VP9.
AI Features: The S905X4 lacks dedicated AI capabilities and relies on traditional algorithms for video quality enhancement, which may not provide the same level of clarity and upscaling as the S905X5M.
S905X5M:
NPU: Inline AI-SR
Applications: AI-powered features like intelligent picture quality optimization and voice assistant responsiveness.
S905X4:
NPU: Lacks a dedicated AI processor. AI tasks are handled by the CPU or GPU, making them less efficient and slower compared to the S905X5M.
Applications: While it can still handle basic AI tasks, it won’t offer the same advanced AI features or speed as the S905X5M.
S905X5M:
Process: Manufactured using a 6nm process, providing better power efficiency and allowing it to handle long hours of high-load tasks like 8K streaming without generating excessive heat or consuming too much power.
S905X4:
Process: Built using a 12nm process, which is less efficient compared to the S905X5M. While it offers solid performance, it consumes slightly more power and may not be as efficient for prolonged high-performance tasks.
S905X5M:
Wireless: Supports Wi-Fi 6 (802.11ax), offering higher bandwidth, lower latency, and better performance in congested networks.
HDMI: HDMI 2.1 with support for VRR (Variable Refresh Rate) and ALLM (Auto Low Latency Mode), making it ideal for gaming and smooth video playback.
Other Ports: USB 2.0, Gigabit Ethernet for stable wired connections.
S905X4:
Wireless: Supports Wi-Fi 6 (802.11ax).
HDMI: HDMI 2.1, without support for gaming enhancements like VRR.
Other Ports: USB 2.0, 1000M Ethernet.
Feature | S905X5M | S905X4 |
CPU | Cortex-A55, 4 cores, up to 2.5 GHz | Cortex-A55, 4 cores, up to 2.0 GHz |
GPU | Mali-G310 V2 (Enhanced) | Mali-G31 MP2 (Basic) |
Resolution | 4K@60fps + AV1 + AI-SR | 4K@60fps, supports AV1, VP9 |
AI Acceleration | Inline AI-SR | No independent NPU |
Wireless | Wi-Fi 6 (802.11ax) | Wi-Fi 6 (802.11ax) |
Manufacturing Process | 6nm | 12nm |
HDMI Version | HDMI 2.1 (Supports VRR/ALLM) | HDMI 2.1 (Basic features) |
Target Users | Users needing 4K, AI-enhanced, and future-ready tech | Users seeking stable 4K output and budget-friendly options |
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