Intel Graphics Performance vs Dual Channel Memory

Intel Graphics Performance vs Dual Channel Memory

看了以下的網頁說明方法
怎樣可以用 Dual Channel Memory 改善 Intel Graphics Performance達到 15-25%.

但現今新出的 notebook 好多都是只用 Intel Graphics(冇外 graphic card)  
亦 “同時” 只剩有一條 RAM slot.
所以就覺得矛盾..............?

如根據這網頁說明,請教要行 dual channel RAM 技術上一定要2條 slot 的嗎?
例如 2條 4G RAM 就會勝過 1條 8G RAM ?  (雖然 total 都系 8GB)

又例如 ASUS 303 notebook, 4G(焊死)+ 4GB RAM 就可以行
dual channel, 因為相同 capacity,
但如果 4G(焊死)+ 8GB RAM 就行不到 dual channel 了,
因為不同 capacity.


當然如果 notebook 本身有外 Geforce graphic card,
就簡單得多了,可以直接用自己 VRAM, 唔洗要 ”借用“
主機 RAM..............


http://www.pvladov.com/2013/01/i ... cs-performance.html
Increase the amount of RAM and make it work in dual channel mode
Integrated graphics cards usually do not have their own memory (or only have a small amount of one). They take memory from the RAM of the computer. When your computer has more RAM the Intel HD Graphics will be able to utilize more memory. But what will really speed it up will be using two memory sticks of the same capacity and speed. In this case you computer's RAM will begin to work in dual channel mode which means that it will become at least 15% faster. As the integrated graphics use computer's RAM extensively you can expect an even greater performance improvement for your Intel HD Graphics - it will become 20 - 25% faster in most applications and games.

4GB + 8GB可以行Dual Channel
頭4GB+4GB係Dual, 最尾4GB係Single
呢樣叫Flex Memory Technology

不過一般notebook只會跟HD5500呢類慢既Intel Graphics就算吧啦
用Iris/Iris Pro既機就分別明顯D

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回覆 2# KinChungE


謝意見,
明白,

但就系 Intel 5500 d慢卡,先要霖辦法幫補下 performance,
所以 system RAM 還是永不會嫌多的..............

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我試過用 Core 2 Duo o既 chipset, 3GB RAM (2GB+1GB), 都行到 Dual channel

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我試過用 Core 2 Duo o既 chipset, 3GB RAM (2GB+1GB), 都行到 Dual channel
mlyu 發表於 2015-11-29 21:59



Thx,

其實點樣辦法可以check到行緊 dual channel or not?

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Cpu-z 個度有寫

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Cpu-z 個度有寫
梁瀚文 發表於 2015-11-29 23:42



Thx for reminder

Download 左 cpu-z,
用緊.

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4G+8G 都行到DUAL MODE,但唔夠 4G+4G快。
而且效率都唔夠二條同樣容量的RAM咁快。

前者能提升的效能只係後者的30%左右,而且INTEL GPU好似唔識優先用DUAL CHANEL部份,變成一時快一時慢。

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4G+8G 都行到DUAL MODE,但唔夠 4G+4G快。
而且效率都唔夠二條同樣容量的RAM咁快。

前者能提升的效能只係 ...
evec 發表於 2015-11-30 14:10


Thx

我用 CPU-Z check 左,依家我部機
run 緊 Dual Channel 4GB + 4GB
DC Mode == Symmetric (因為2邊一樣 capacity)

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4G+8G 都行到DUAL MODE,但唔夠 4G+4G快。
而且效率都唔夠二條同樣容量的RAM咁快。

前者能提升的效能只係 ...
evec 發表於 2015-11-30 14:10



如果甘講,2邊一樣 RAM  都幾重要。
一邊多左 RAM 反而弄巧反拙.........

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