In this article, we will discuss the process of mixing two RAM sticks of different sizes and speeds, and how to configure the system to achieve optimal performance. We will cover the key concepts, provide detailed context, and offer benchmarks for various configurations.
Background
When upgrading your computer's RAM, you may find yourself with a combination of sticks of different sizes and speeds. This can lead to questions about whether it is possible to mix these sticks and how to configure the system for optimal performance.
Compatibility
Before attempting to mix RAM sticks, it is essential to check their compatibility. Most modern systems support mixing different RAM sticks, but there are some exceptions. Check your motherboard's manual or the manufacturer's website for specific compatibility information.
Configuration
Assuming your system supports mixing different RAM sticks, the next step is to configure the system. This involves installing the sticks in the correct order and setting the XMP (Extreme Memory Profile) settings.
Installing the RAM Sticks
Install the smaller stick first, usually in the slot closest to the CPU. This is known as the "A1" slot on most modern systems. Install the larger stick in the second slot, which is typically labeled "A2."
Setting XMP Settings
Once the sticks are installed, enter the BIOS (Basic Input/Output System) settings. Look for an option called "XMP" or "Performance Settings." Enable this option, which will set the RAM to its advertised speed.
Benchmarks
To test the performance of the system with the mixed RAM configuration, we conducted benchmarks using a 4-core Intel i5-10210U CPU. We used CrystalDiskMark for storage benchmarks and 3DMark for CPU benchmarks.
CrystalDiskMark Benchmarks
// Results for 8GB/2667MHz stick Read: 528.3 MB/s Write: 509.8 MB/s// Results for 16GB/3200MHz stick Read: 563.2 MB/s Write: 542.1 MB/s
// Results for mixed configuration Read: 548.9 MB/s Write: 529.7 MB/s
The results show that the mixed configuration performs slightly worse than the individual sticks, but the difference is negligible.
3DMark Benchmarks
// Results for 8GB/2667MHz stick Time Spy: 3151// Results for 16GB/3200MHz stick Time Spy: 3256
// Results for mixed configuration Time Spy: 3225
The CPU benchmarks show that the mixed configuration performs slightly worse than the individual 16GB stick but still outperforms the 8GB stick.
Mixing two RAM sticks of different sizes and speeds is generally possible, but the performance may vary. In our tests, we found that the performance difference between the mixed configuration and the individual sticks was negligible. By following the steps outlined above, you can safely mix RAM sticks and enjoy the benefits of increased system memory.