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Technical comparison

Review up to four products side by side. Rows that differ are highlighted; a value the official source does not state appears as “—” and is never counted as 0.

Specification
Huidu HD-H4K — official product image Huidu HD-H4K Remove
Huidu HD-H20 — official product image Huidu HD-H20 Remove
Huidu HD-H16 — official product image Huidu HD-H16 Remove
Category Multimedia player Multimedia player Multimedia player
Data verification Fully verified Fully verified Fully verified
Capacity
Loading capacity — 13,000,000 px 10,000,000 px
Maximum width 16,384 px 65,536 px 65,536 px
Maximum height 4,096 px 8,192 px 8,192 px
Network / output
Ethernet outputs — 20 16
Port speed — 1 Gbps 1 Gbps
Playback
Synchronous (live) mode — Yes Yes
Asynchronous (stored) mode Yes Yes Yes
Max. decoding resolution 4K (4096×2304) 8K 8K
Video codecs MPEG-1/2, MPEG-4, H.264/AVC, MVC, H.265/HEVC, VP8, VP9, H.263, VC-1, Motion JPEG MPEG-1/2, MPEG-4, H.264/AVC, MVC, H.265/HEVC, AVS2, AV1, GOOGLE VP8, GOOGLE VP9, H.263, VC-1, MOTION JPEG MPEG-1/2, MPEG-4, H.264/AVC, MVC, H.265/HEVC, AVS2, AV1, GOOGLE VP8, GOOGLE VP9, H.263, VC-1, MOTION JPEG
Storage 64GB internal storage, 4GB running memory 8GB running memory + 128GB internal storage 8GB running memory + 128GB internal storage
Operating system Android 11.0 Android 14.0 Android 14.0
Inputs
HDMI inputs — 4 4
HDMI outputs 1 2 2
Input interfaces — HDMI 2.0 ×2, HDMI 1.3 ×2 HDMI 2.0 ×2, HDMI 1.3 ×2
Connectivity
Wi-Fi Yes Yes Yes
LAN Yes Yes Yes
USB playback Yes Yes Yes
Cloud / remote management Yes — Yes
System
Sensor interfaces — Sensor interface (TTL level) ×2 Sensor interface (TTL level) ×2
Software / platform Screen Control, XiaoHui Cloud — —
Physical
Dimensions 208mm×132mm×31mm 482mm×359mm×95mm (including mounting ears) 482mm×359mm×95mm (including mounting ears)
Weight 0.6KG (net weight) 5.25KG 5.25KG
Operating temperature -40℃~70℃ -40℃~70℃ -40℃~70℃
Input voltage DC 12V AC 100~240V 50/60Hz AC 100~240V 50/60Hz
Power consumption 18W 50W 50W

The “highest” highlight is shown only on numeric capacity rows and only when at least two values are verified; it does not mean the product is better — the right choice depends on the screen requirements.