[測試] i7 GTX970 簡單功耗測試
幾年前組電腦的時候,
對PSU的瓦數要選多少深感困惑
都是參考爬文的結果。
昨天借了一個測量瓦數的機器才真正有了概念,
大略測了一下
i7 4770 @3.9GHz 電壓 1.110V
msi GTX970
SSD 128G+ HDD512G
待機 51W
linX燒CPU 111W 和 168W
FurMark 281W (同時兩個CPU滿載)
換算下來 CPU 大約耗 60W-117W
GPU 230W(可能更低)
待機 51W
大略加總 51(待機)+230(CPU全速)+117(GPU全速)=398W
(以上是算一個 概念,因為硬碟不多假設3.3V 5V 全算在12V裡)
那麼在很極端的狀況下大概12V 要400W,
這樣算應該是頂了,不知道要怎麼達成。
用BurnInTest燒同時燒CPU和GPU反而連300W都不到
跑GTA 大概300W(關閉垂直同步)
上網播影片和LOL 分別 63W和 73W(進入畫面後)
感覺電腦耗電比想像中的低
______________我是分隔線__________________
看到下面的回文我突然有一個想法不知道對不對
當我瓦數測到398W的時候,電流進入POWER,所以要乘上功率因子0.93
398*0.93=370W,而...power上標的瓦數應該是乘過了的吧......
如此一來...顯卡230*0.93=213W,CPU (60~117W)*0.93=(55W~108W)
瓦數感覺合理多了......這樣解釋對嗎?
______________我是分隔線___________________
後來我有連續燒甜甜圈20分鐘,瓦數都滿穩定
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 118.168.139.43
※ 文章網址: https://www.ptt.cc/bbs/PC_Shopping/M.1440040897.A.9CD.html
→
08/20 11:24, , 1F
08/20 11:24, 1F
→
08/20 11:25, , 2F
08/20 11:25, 2F
推
08/20 12:02, , 3F
08/20 12:02, 3F
推
08/20 12:06, , 4F
08/20 12:06, 4F
推
08/20 12:23, , 5F
08/20 12:23, 5F
推
08/20 12:25, , 6F
08/20 12:25, 6F
推
08/20 12:37, , 7F
08/20 12:37, 7F
→
08/20 12:40, , 8F
08/20 12:40, 8F
※ 編輯: pi2324 (118.168.139.43), 08/20/2015 12:50:54
→
08/20 12:45, , 9F
08/20 12:45, 9F
→
08/20 12:46, , 10F
08/20 12:46, 10F
推
08/20 12:59, , 11F
08/20 12:59, 11F
→
08/20 12:59, , 12F
08/20 12:59, 12F
推
08/20 13:14, , 13F
08/20 13:14, 13F
→
08/20 13:14, , 14F
08/20 13:14, 14F
推
08/20 13:27, , 15F
08/20 13:27, 15F
→
08/20 13:31, , 16F
08/20 13:31, 16F
推
08/20 13:31, , 17F
08/20 13:31, 17F
→
08/20 13:31, , 18F
08/20 13:31, 18F
→
08/20 13:52, , 19F
08/20 13:52, 19F
→
08/20 14:32, , 20F
08/20 14:32, 20F
→
08/20 14:32, , 21F
08/20 14:32, 21F
→
08/20 14:33, , 22F
08/20 14:33, 22F
→
08/20 14:33, , 23F
08/20 14:33, 23F
→
08/20 14:45, , 24F
08/20 14:45, 24F
→
08/20 16:02, , 25F
08/20 16:02, 25F
→
08/20 16:16, , 26F
08/20 16:16, 26F
推
08/20 16:18, , 27F
08/20 16:18, 27F
→
08/20 16:18, , 28F
08/20 16:18, 28F
→
08/20 16:18, , 29F
08/20 16:18, 29F
→
08/20 16:19, , 30F
08/20 16:19, 30F
※ 編輯: pi2324 (140.118.160.123), 08/20/2015 16:40:28
推
08/20 16:56, , 31F
08/20 16:56, 31F
推
08/20 17:04, , 32F
08/20 17:04, 32F
→
08/20 17:05, , 33F
08/20 17:05, 33F
推
08/20 17:12, , 34F
08/20 17:12, 34F
→
08/20 17:15, , 35F
08/20 17:15, 35F
→
08/20 17:18, , 36F
08/20 17:18, 36F
推
08/20 17:21, , 37F
08/20 17:21, 37F
推
08/20 17:32, , 38F
08/20 17:32, 38F
推
08/20 17:42, , 39F
08/20 17:42, 39F
→
08/20 17:45, , 40F
08/20 17:45, 40F
→
08/20 18:43, , 41F
08/20 18:43, 41F
→
08/20 18:43, , 42F
08/20 18:43, 42F
推
08/20 19:23, , 43F
08/20 19:23, 43F
→
08/20 19:24, , 44F
08/20 19:24, 44F
推
08/20 22:29, , 45F
08/20 22:29, 45F
推
08/21 00:06, , 46F
08/21 00:06, 46F
→
08/21 00:06, , 47F
08/21 00:06, 47F
→
08/21 00:06, , 48F
08/21 00:06, 48F
→
08/21 00:18, , 49F
08/21 00:18, 49F
推
08/21 00:29, , 50F
08/21 00:29, 50F
→
08/21 01:19, , 51F
08/21 01:19, 51F
推
08/21 01:34, , 52F
08/21 01:34, 52F
※ 編輯: pi2324 (59.115.103.155), 08/21/2015 01:46:31
→
08/21 12:45, , 53F
08/21 12:45, 53F
→
08/21 13:45, , 54F
08/21 13:45, 54F
推
08/21 15:46, , 55F
08/21 15:46, 55F
→
08/21 23:27, , 56F
08/21 23:27, 56F
→
08/22 11:23, , 57F
08/22 11:23, 57F