Version
This guide has been made with 0.7.6 version of the game and may not work with newer releases. I was lvl 9 at the time of benchmarking those. Few test were done in free build mode.
RAM doesn't affect GPU score.
Increasing CPU score may only help you if your GPU isn't bottleneck too much, but you will always have some if little improvement in overall score.
There is no difference in performance of RAM stick made by different company, so RAM made by company A that is 2666Mhz will work as RAM made by company B as long as it is 2666Mhz too.
RAM Speed
RAM Speed does affect score, the better CPU the more increase will occur when you change from low speed RAM to higher. So for low end Intel i3-6100 there is 27 score increase when upgrade form 1x8GB 2400 to 1x8GB 2666 but there are no score increase when you upgrade from 2666Mhz to higher.
I have checked in free build mode and even going as high as 4000Mhz doesn't affect CPU score so only going form 2133Mhz (only 2GB sticks exists) to 2400Mhz and from 2400Mhz to 2666Mhz.
Anything higher doesn't affect CPU score.
-----------------------------------SPACER-------------------------------- --------SPACER-------- --SPACER-- --SPACER-- RAM Intel Core i3-6100 Score GPU Score CPU Score Team Group Team T-Force Delta II RGB Series (White) 1x8GB 2400Mhz 2143 2123 2269 Team Group Team T-Force Delta II RGB Series (White) 1x8GB 2666Mhz 2147 2123 2296 Team Group Team T-Force Delta II RGB Series (White) 1x8GB 3000Mhz 2147 2123 2296 RAM Intel Core i7-6700K Score GPU Score CPU Score Team Group Team T-Force Delta II RGB Series (White) 1x8GB 2666Mhz 2300 2123 4361 Team Group Team T-Force Delta II RGB Series (White) 1x8GB 3000Mhz 2300 2123 4361 RAM AMD Ryzen 5 Six Core 1600 Score GPU Score CPU Score Team Group Team T-Force Delta II RGB Series (White) 1x8GB 2666Mhz 2326 2123 5108 Team Group Team T-Force Delta II RGB Series (White) 1x8GB 3000Mhz 2326 2123 5108 Team Group Team T-Froce Dark (Silver) 1x4GB 3000Mhz 2326 2123 5108 DFL MOTIV8OR 1x4GB 2400Mhz 2323 2123 4990 CORSAIR Dominator Platinum 1x8GB 2400Mhz 2323 2123 4990 CORSAIR Dominator Platinum 1x4GB 2666Mhz 2326 2123 5108 CORSAIR Dominator Platinum 1x8GB 2800Mhz 2326 2123 5108 RAM Intel Core i3-6100 Score GPU Score CPU Score CORSAIR Dominator Platinum 1x8GB 2400Mhz 2269 CORSAIR Dominator Platinum 1x8GB 2666Mhz 2296 CORSAIR Dominator Platinum 1x8GB 2800Mhz 2296 CORSAIR Dominator Platinum 1x8GB 3000Mhz 2296 CORSAIR Dominator Platinum 1x8GB 3200Mhz 2296 CORSAIR Dominator Platinum 1x8GB 3600Mhz not tested CORSAIR Dominator Platinum 1x8GB 3733Mhz not tested CORSAIR Dominator Platinum 1x4GB 4000Mhz 2296 RAM AMD Ryzen 7 Eight Core 1800X Score GPU Score CPU Score CORSAIR Dominator Platinum 1x8GB 2400Mhz 6464 CORSAIR Dominator Platinum 1x4GB 2666Mhz 6682 CORSAIR Dominator Platinum 1x4GB 4000Mhz 6682
You can see that on low end CPU Intel Core i3-6100 you see ~27 CPU score increase when going from 2400Mhz to 2666Mhz RAM.
On higher end AMD Ryzen 5 Six Core 1600 the increase is ~118 CPU score.
On AMD Ryzen 7 Eight Core 1800X the increase is ~218 CPU score.
In summary, RAM speed affects CPU score, but you will see that count of populated ram slots has higher influence then RAM speed.
RAM Sticks Count
RAM sticks count has greater influence on CPU score then RAM speed.
-----------------------------------SPACER-------------------------------- --------SPACER-------- --SPACER-- --SPACER-- RAM Intel Core i3-6100 Score GPU Score CPU Score Team Group Team T-Force Delta II RGB Series (White) 1x8GB 3000Mhz 2147 2123 2296 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 Team Group Team T-Force Delta II RGB Series (White) 3x8GB 3000Mhz 2176 2123 2537 Team Group Team T-Force Delta II RGB Series (White) 4x8GB 3000Mhz 2189 2123 2658 RAM AMD Ryzen 7 Eight Core 1800X Score GPU Score CPU Score CORSAIR Dominator Platinum 1x4GB 4000Mhz 6682 CORSAIR Dominator Platinum 2x4GB 4000Mhz 7795 CORSAIR Dominator Platinum 3x4GB 4000Mhz 8909 CORSAIR Dominator Platinum 4x4GB 4000Mhz 10022
You can see that on lower end Intel Core i3-6100 adding stick of RAM increases CPU score by ~121, and on higher end AMD Ryzen 7 Eight Core 1800X adding stick of RAM increases CPU score by ~1113.
RAM Slots
Intel Core I3-6100Slots order doesn't affect benchmark score.
RAM Score GPU Score CPU Score Slots Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 1 & 2 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 1 & 3 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 1 & 4 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 2 & 3 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 2 & 4 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 3 & 4
RAM Capacity
RAM capacity doesn't affect benchmark score as well. As you can see 4GB RAM has always the same score as 8GB with the same speed.
-----------------------------------SPACER-------------------------------- --------SPACER-------- --SPACER-- --SPACER-- RAM Intel Core i3-6100 Score GPU Score CPU Score Team Group Team T-Force Delta II RGB Series (White) 1x4GB 2400Mhz 2143 2123 2269 Team Group Team T-Force Delta II RGB Series (White) 1x8GB 2400Mhz 2143 2123 2269 RAM Ryzen 5 Six Core 1600 Score GPU Score CPU Score Team Group Team T-Force Delta II RGB Series (White) 1x8GB 3000Mhz 2326 2123 5108 Team Group Team T-Froce Dark (Silver) 1x4GB 3000Mhz 2326 2123 5108 Team Group Team T-Force Delta II RGB Series (White) 1x4GB 2400Mhz 2323 2123 4990 CORSAIR Dominator Platinum 1x8GB 2400Mhz 2323 2123 4990
Different RAM Speed Combinations
If you combine different RAM speed, for example, 3200Mhz with 2400Mhz you will end up with 2400Mhz as higher speed RAM will work at lower speed. You can see it in "System Info" app.
You can see each RAM stick on the left in "System Summary" and there is "Memory Clock Speed" on the right, in "Sensor Status" that shows result of the combination.
Since 2400Mhz produces lower score than 3200Mhz it would hurt your CPU score, but if the case would be combination of 2666Mhz with 3200Mhz the score that 2666Mhz produces is the same as 3200Mhz score so there would be no difference in CPU score.
RAW DATA
Raw data containing all test and scores.
-----------------------------------SPACER-------------------------------- --------SPACER-------- --SPACER-- --SPACER-- RAM Intel Core i3-6100 Score GPU Score CPU Score Slots Team Group Team T-Force Delta II RGB Series (White) 1x4GB 2400Mhz 2143 2123 2269 Team Group Team T-Force Delta II RGB Series (White) 1x8GB 2400Mhz 2143 2123 2269 Team Group Team T-Force Delta II RGB Series (White) 1x8GB 2666Mhz 2147 2123 2296 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 2666Mhz 2162 2123 2417 Team Group Team T-Force Delta II RGB Series (White) 1x8GB 3000Mhz 2147 2123 2296 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 1 & 2 Team Group Team T-Force Delta II RGB Series (White) 3x8GB 3000Mhz 2176 2123 2537 Team Group Team T-Force Delta II RGB Series (White) 4x8GB 3000Mhz 2189 2123 2658 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 1 & 3 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 1 & 4 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 2 & 3 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 2 & 4 Team Group Team T-Force Delta II RGB Series (White) 2x8GB 3000Mhz 2162 2123 2417 3 & 4 RAM Intel Core i7-6700K Score GPU Score CPU Score Team Group Team T-Force Delta II RGB Series (White) 1x8GB 2666Mhz 2300 2123 4361 Team Group Team T-Force Delta II RGB Series (White) 1x8GB 3000Mhz 2300 2123 4361 RAM AMD Ryzen 5 Six Core 1600 Score GPU Score CPU Score Team Group Team T-Force Delta II RGB Series (White) 1x8GB 2666Mhz 2326 2123 5108 Team Group Team T-Force Delta II RGB Series (White) 1x8GB 3000Mhz 2326 2123 5108 Team Group Team T-Froce Dark (Silver) 1x4GB 3000Mhz 2326 2123 5108 DFL MOTIV8OR 1x4GB 2400Mhz 2323 2123 4990 Team Group Team T-Force Delta II RGB Series (White) 1x4GB 2400Mhz 2323 2123 4990 CORSAIR Dominator Platinum 1x8GB 2400Mhz 2323 2123 4990 CORSAIR Dominator Platinum 1x4GB 2666Mhz 2326 2123 5108 CORSAIR Dominator Platinum 1x8GB 2800Mhz 2326 2123 5108 RAM Intel Core i3-6100 Score GPU Score CPU Score CORSAIR Dominator Platinum 1x8GB 2400Mhz 2269 CORSAIR Dominator Platinum 1x8GB 2666Mhz 2296 CORSAIR Dominator Platinum 1x8GB 2800Mhz 2296 CORSAIR Dominator Platinum 1x8GB 3000Mhz 2296 CORSAIR Dominator Platinum 1x8GB 3200Mhz 2296 CORSAIR Dominator Platinum 1x8GB 3600Mhz not tested CORSAIR Dominator Platinum 1x8GB 3733Mhz not tested CORSAIR Dominator Platinum 1x4GB 4000Mhz 2296 RAM AMD Ryzen 7 Eight Core 1800X Score GPU Score CPU Score CORSAIR Dominator Platinum 1x8GB 2400Mhz 6464 CORSAIR Dominator Platinum 1x4GB 2666Mhz 6682 CORSAIR Dominator Platinum 1x4GB 4000Mhz 6682 CORSAIR Dominator Platinum 2x4GB 4000Mhz 7795 CORSAIR Dominator Platinum 3x4GB 4000Mhz 8909 CORSAIR Dominator Platinum 4x4GB 4000Mhz 10022
Source: https://steamcommunity.com/sharedfiles/filedetails/?id=1350328959
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