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Elgato 4K S vs UGREEN CM477 4K HDMI Capture Card: Comparison

Elgato 4K S and UGREEN CM477 4K HDMI Capture Card differ on form factor: Elgato 4K S at External USB, UGREEN CM477 4K HDMI Capture Card at Camera Dongle.

Elgato 4K S (External USB-C / 4K60 Capture / 1440p120 & 1440p144 & 1080p240 Passthrough / Portable)
ElgatoElgato 4K S
UGREEN CM477 4K HDMI Capture Card (Camera Dongle / 1080p60 Capture / 4K30 Passthrough / Budget Plug-and-Play)
UGREENUGREEN CM477 4K HDMI Capture Card

Specs

Specification
Elgato 4K S (External USB-C / 4K60 Capture / 1440p120 & 1440p144 & 1080p240 Passthrough / Portable)
Elgato 4K S
UGREEN CM477 4K HDMI Capture Card (Camera Dongle / 1080p60 Capture / 4K30 Passthrough / Budget Plug-and-Play)
UGREEN CM477 4K HDMI Capture Card
Form FactorExternal USBCamera Dongle
BrandElgatoUGREEN
Connection TypeUSB-CUSB 3.0 / 3.2 Gen 1
Max Recording Resolution4K601080p60
Passthrough Resolution4K60, 1440p120, 1440p144, 1080p2404K30
Model4K SCM477

Verdict

Elgato 4K S

9 / 10 Expert Rating

The most portable way to get genuine 4K60 capture — ideal for laptop and iPad streamers, especially on a 1440p high-refresh monitor.

UGREEN CM477 4K HDMI Capture Card

5 / 10 Expert Rating

A genuinely usable budget dongle for basic 1080p60 capture, with the software polish and support gap you'd expect at this price.

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