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<blockquote data-quote="Taipan" data-source="post: 341983" data-attributes="member: 11681">I think it all depends on the format of the 720p download content.I have a HD3650 in a similar system to yours and it plays up to 1080p MPEG2 fine.&nbsp; But it struggles with 720p WMV - even though the HD3650 has WMV hardware acceleration, the CPU still gets close to 100%.&nbsp; In fact, I suspect that the WMV hardware acceleration in the HD3650 is making no improvement at all.I replaced an ATI 9550 with the HD 3650, expecting to solve the 720p WMV stutters, but it made no difference ... it seems that the CPU is the limiting factor&nbsp; ... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown&nbsp; &nbsp; :(" loading="lazy" data-shortname=":(" />I have another dual-core PC running MediaPortal and it also has a HD3650, and plays 720p WMV content perfectly.So, like me, you might need to upgrade your CPU, too .... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown&nbsp; &nbsp; :(" loading="lazy" data-shortname=":(" /></blockquote>

[QUOTE="Taipan, post: 341983, member: 11681"] I think it all depends on the format of the 720p download content. I have a HD3650 in a similar system to yours and it plays up to 1080p MPEG2 fine. But it struggles with 720p WMV - even though the HD3650 has WMV hardware acceleration, the CPU still gets close to 100%. In fact, I suspect that the WMV hardware acceleration in the HD3650 is making no improvement at all. I replaced an ATI 9550 with the HD 3650, expecting to solve the 720p WMV stutters, but it made no difference ... it seems that the CPU is the limiting factor ... :( I have another dual-core PC running MediaPortal and it also has a HD3650, and plays 720p WMV content perfectly. So, like me, you might need to upgrade your CPU, too .... :( [/QUOTE]

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