- Aug 31, 2017
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Simple question. Why 2 modules (2x4 for example) are better than 1 module (1x8)? Especially at APUs
Why 2 modules are better than one?
- Thread starter jimisss1997
- Start date
Solution
nitinvaid20
Splendid
- Jan 3, 2013
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you mean RAM modules?
Dual Channel is faster like say 10-15% then the single ram.
Which motherboard you have and what ram you are buying
Dual Channel is faster like say 10-15% then the single ram.
Which motherboard you have and what ram you are buying
- Oct 30, 2004
- 32,255
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You have "Dual Channel" RAM, you need 2 sticks to make it work in "Dual Channel" .
Dual: denoting reference to two
Performance is impacted when it can not function in dual channel mode. It's very difficult to measure the impact simply because each activity uses memory differently and any "tool" or utility used to measure this impact is not going to be representative each user's activity.
https://en.wikipedia.org/wiki/Multi-channel_memory_architecture#Dual-channel_architecture
Dual: denoting reference to two
Performance is impacted when it can not function in dual channel mode. It's very difficult to measure the impact simply because each activity uses memory differently and any "tool" or utility used to measure this impact is not going to be representative each user's activity.
https://en.wikipedia.org/wiki/Multi-channel_memory_architecture#Dual-channel_architecture
Performance
Theoretically, dual-channel configurations double the memory bandwidth when compared to single-channel configurations. This should not be confused with double data rate (DDR) memory, which doubles the usage of DRAM bus by transferring data both on the rising and falling edges of the memory bus clock signals.
Tom's Hardware found little significant difference between single-channel and dual-channel configurations in synthetic and gaming benchmarks (using a "modern (2007)" system setup). In its tests, dual channel gave at best a 5% speed increase in memory-intensive tasks.[7] Another comparison by Laptop logic resulted in a similar conclusion for integrated graphics.[8] The test results published by Tom's Hardware had a discrete graphics comparison.
Another benchmark performed by TweakTown, using SiSoftware Sandra, measured around 70% increase in performance of a quadruple-channel configuration, when compared to a dual-channel configuration.[9]. 5 Other tests performed by TweakTown on the same subject showed no significant differences in performance, leading to a conclusion that not all benchmark software is up to the task of exploiting increased parallelism offered by the multi-channel memory configurations
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