Single Channel vs Dual Channel RAM in 2022

Testing and comparing 5 games using 16GB of RAM in single channel and dual channel configurations.

Every YouTuber worth their salt will recommend dual channel memory. It seems like a no-brainer; it doesn't really cost any more money, it gives better performance... hell, it's even there in the name, Double Data Rate (DDR)! So it seems as though everyone agrees DDR is best used in pairs, at least among those of us who give advice on building PCs.

Despite this, prebuilt PC OEMs are commonly sold with only single channel memory, even in PCs advertised for gaming. Do big manufacturers know something we don't? Is the performance loss from reduced memory bandwidth less than we'd come to expect? Or do they really just hope nobody will notice, so they can pocket the cost difference?

To find out, I've tested 5 games using both single and dual channel memory to see how big the impact on frame rates is.

C H A P T E R S

00:00 Single Channel vs Dual Channel
01:01 Testing my assumptions
02:09 Test Setup: Ryzen 5 5600X, RTX 3070
02:32 Memory Setups: 2x8GB, 1x16GB
02:45 Gaming Benchmarks
02:49 Benchmarks: Fortnite
03:54 Benchmarks: SplitGate
04:29 Benchmarks: Apex Legends
05:04 Benchmarks: Call of Duty Warzone
05:36 Benchmarks: Cyberpunk 2077
06:14 Conclusion: is dual channel that important?

P A T R E O N
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