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<blockquote data-quote="Caesium" data-source="post: 846160" data-attributes="member: 115385"><p>Hey, I have a GT430 too so I replicated your tests. This is only using a £10 Maplin power meter so to be honest I'd take this +/- 5% <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Using LAV 0.47.</p><p></p><p>Idle system, MP running but TV off, so MP in low fps mode: 55W</p><p>TV turned on, MP starts rendering GUI: 68W</p><p></p><p>CUVID, BBC2 SD (so 576i25?): 69W (perfect)</p><p>CUVID, BBC1 HD (1080i25?): 74W (perfect)</p><p>DXVA2 Native, 576i25: 70W (perfect, maybe my eyes aren't so good but I didn't notice any deinterlacing difference)</p><p>DXVA2 Native, 1080i: 68W (perfect again, fluid picture)</p><p></p><p>I also tried the P8 mode of Nvidia Inspector, with the following results:</p><p>CUVID, 576i25: 62W (perfect)</p><p>CUVID, 1080i25: 65W (many noticeable frame drops, not really what I'd call a good TV experience)</p><p>DXVA2 Native, 576i25: 62W (perfect)</p><p>DXVA2 Native, 1080i: 67W (perfect image, but the GPU clearly didn't have room to spare, my MP GUI was very sluggish)</p><p></p><p>So P8 saves me some power but it can't cope on the HD channels. DXVA doesn't seem to save me any power on HD channels, and barely any on SD. I wouldn't read too much into the CUVID SD power being higher than the HD, it's probably just the meter.</p></blockquote><p></p>
[QUOTE="Caesium, post: 846160, member: 115385"] Hey, I have a GT430 too so I replicated your tests. This is only using a £10 Maplin power meter so to be honest I'd take this +/- 5% :) Using LAV 0.47. Idle system, MP running but TV off, so MP in low fps mode: 55W TV turned on, MP starts rendering GUI: 68W CUVID, BBC2 SD (so 576i25?): 69W (perfect) CUVID, BBC1 HD (1080i25?): 74W (perfect) DXVA2 Native, 576i25: 70W (perfect, maybe my eyes aren't so good but I didn't notice any deinterlacing difference) DXVA2 Native, 1080i: 68W (perfect again, fluid picture) I also tried the P8 mode of Nvidia Inspector, with the following results: CUVID, 576i25: 62W (perfect) CUVID, 1080i25: 65W (many noticeable frame drops, not really what I'd call a good TV experience) DXVA2 Native, 576i25: 62W (perfect) DXVA2 Native, 1080i: 67W (perfect image, but the GPU clearly didn't have room to spare, my MP GUI was very sluggish) So P8 saves me some power but it can't cope on the HD channels. DXVA doesn't seem to save me any power on HD channels, and barely any on SD. I wouldn't read too much into the CUVID SD power being higher than the HD, it's probably just the meter. [/QUOTE]
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