引用:
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作者skap0091
不要預設立場
請用科學實驗跟數據說話
光是HDMI或DP版本不同
輸出的訊號就有可能加入不同內容
在訊號穩定與相容性上都可能產生變化
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DsplayPort cable lengths
Like all copper cables, DisplayPort cables can only be so long before the signal deteriorates. The exact DisplayPort length limit depends on the resolution and refresh rate it carries - the more bandwidth being used, the shorter the cable can be. A DisplayPort 1.4 cable can carry a 1080p signal about 15 meters, but a 4K signal has a much shorter 2 meter length limit due to the high bandwidth usage. One way to overcome this limitation is the use of active DisplayPort cables. These cables have an embedded chipset that boosts the signal, preventing signal loss.
你講到的點其實還有一個, 就是到底信號是不是都是使用RGB傳輸
也可能舊卡莫名其妙的是YUV輸出也說不定