My friend gave me his old cpu and I installed it in my pc but now it is running slower than my old cpu

[johnminas61]

When I bought all the parts for my computer I was still new to the whole computer scene so I bought an intel pentium dual core cpu, so when my friend bought him a new cpu(i7-7600) he gave me his old(i5-6402p) one and after I updated my bios to the newest version and installed it I loaded up my favorite game (escape from tarkov) and started loading one of the bigger maps to see how fast I could get in. (In this game it saves the map to your RAM so the first load is the longest) and to my surprise it took me a long time considering it was a big upgrade and I don’t know what to do to fix it allmy other games are the same way

Specs
Intel core i5-6402p
16gb of ddr4 3000
Nvidia GTX 960
B250m pro-vdh Mobo
1 TB toshiba hdd
150gb hdd
Forgot my psu but it’s pretty good

 

[COLGeek]

What CPU were you using before you installed the Intel Core i5-6402P?

https://ark.intel.com/products/93277/Intel-Core-i5-6402P-Processor-6M-Cache-up-to-3-40-GHz-

Also, how hot is the CPU getting at idle and under load (like when gaming)? Are you using the stock Intel heatsink?

 

[st3v30]

Try to reset BIOS settings to Default/Optimized and Save before you exit.

 

[johnminas61]

What CPU were you using before you installed the Intel Core i5-6402P?

https://ark.intel.com/products/93277/Intel-Core-i5-6402P-Processor-6M-Cache-up-to-3-40-GHz-

Also, how hot is the CPU getting at idle and under load (like when gaming)? Are you using the stock Intel heatsink?

an Intel Pentium g4400 and i downloaded core temp and man they are almost at max core temp stock intel heatsink

 

[johnminas61]

Try to reset BIOS settings to Default/Optimized and Save before you exit.

i havent touched anything in the bios to afraid of bricking my pc

 

[COLGeek]

Did you replace the thermal compound between the CPU and the heatsink (removing the original material) when you swapped CPUs? All all 4 mounting pins securely fastened?

Sounds like you have poor contact and the CPU is overheating and throttling to protect itself.

 

[johnminas61]

Did you replace the thermal compound between the CPU and the heatsink (removing the original material) when you swapped CPUs? All all 4 mounting pins securely fastened?

Sounds like you have poor contact and the CPU is overheating and throttling to protect itself.

i did but i just checked it and i didnt apply enough so i put more on there and spread it a little bit and that helped thanks