zen2 1:1 vs 2:1 mode 差異 - 3C

By Lucy
at 2019-07-16T11:35
at 2019-07-16T11:35
Table of Contents
FCLK 手動鎖死 1800. 記憶體小參數全部手動指定.
3600 C12 memclk : uclk = 1 : 1. amd 推薦.
https://i.imgur.com/RZ5T8Cv.png
3600 C12 手動切成 memclk : uclk = 2 : 1. IMC 降速, memclk > fclk 則會切換成 2 : 1.
https://i.imgur.com/vTV7dop.png
3866 C12 memclk : uclk = 2 : 1. IMC 降速, memclk > fclk 則會切換成 2 : 1.
https://i.imgur.com/PzJT3rl.png
同頻率下手動降成 2 : 1 付出的代價是全部指標降低.
要彌補差距就只能維持超低參數跟往上拉幾個檔次的記憶體頻率.
一般人用 3200 低 CL ~ 3800 (fclk=1900) 的記憶體就很好用, fclk 拉高則是頻寬增加, 能多高取決於 cpu IOD 體質.
--
3600 C12 memclk : uclk = 1 : 1. amd 推薦.
https://i.imgur.com/RZ5T8Cv.png
3600 C12 手動切成 memclk : uclk = 2 : 1. IMC 降速, memclk > fclk 則會切換成 2 : 1.
https://i.imgur.com/vTV7dop.png
3866 C12 memclk : uclk = 2 : 1. IMC 降速, memclk > fclk 則會切換成 2 : 1.
https://i.imgur.com/PzJT3rl.png
同頻率下手動降成 2 : 1 付出的代價是全部指標降低.
要彌補差距就只能維持超低參數跟往上拉幾個檔次的記憶體頻率.
一般人用 3200 低 CL ~ 3800 (fclk=1900) 的記憶體就很好用, fclk 拉高則是頻寬增加, 能多高取決於 cpu IOD 體質.
--
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3C
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