naxan90027
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- Joined
- Apr 7, 2021
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I purchased my Gigabyte 1660 Ti about 2 years ago, and I've had it running on the same MSI afterburner overclock the whole time.
Core clock +150Mhz (would crash at +165)
RAM Clock +1000Mhz (would crash at +1050)
My GPU fans started making a ton of noise so I bought replacements. They took 3 weeks to arrive and didn't even work so I decided to just remove the shroud with the fans and put CPU fans on the heatsink (Linus style). Everything worked great and I was even running 5 degrees cooler, so I then decided to also remove the plastic backplate and stick some little heatsinks with thermal pads on the back of GPU, VRM and RAM. This took the temperature down 2 more degrees for a total of 7 and I decided to revisit the overclock. Now the GPU clock still maxes at a stable +150 Mhz, like before, but the VRAM didn't crash this time at +1050Mhz. So I kept adding little by little to the RAM clock until it reached the MSI Afterburner max of +1500Mhz and It never crashed or even flinched.
Please understand, this is my first built PC, and definitely my first disassembled GPU, which you will see by the horrible picture below. Please don't laugh too hard. How is it possible that the same GPU now overclocks the VRAM by+450 Mhz more than it ever could before. Can a simple 7 degree improvement cause this, or did I most likely break some sensor on the board and am probably frying my VRAM like an egg?
Here is what I did to test it:
I ran Heaven at extreme in the background with the GPU fans off at +150Mhz GPU Clock (total 2145Mhz) and +1500MHZ VRAM (total 7500Mhz X2) Once it reached 71 degrees with the GPU clock throttled to 2085Mhz, I turned the fans on full power and it actually came back down to 63 degrees compared to my previous average of 70. Once the degrees settled at 63 (GPU clock settled at 2100Mhz), I started the actual rated benchmark so it ran for quite a while with no issues at all. First screenshot below is the GPU, and second one is of the afterburner setting and graphs, the Heaven benchmark results, and Techpowerup GPU-Z stats.
Thanks!
Core clock +150Mhz (would crash at +165)
RAM Clock +1000Mhz (would crash at +1050)
My GPU fans started making a ton of noise so I bought replacements. They took 3 weeks to arrive and didn't even work so I decided to just remove the shroud with the fans and put CPU fans on the heatsink (Linus style). Everything worked great and I was even running 5 degrees cooler, so I then decided to also remove the plastic backplate and stick some little heatsinks with thermal pads on the back of GPU, VRM and RAM. This took the temperature down 2 more degrees for a total of 7 and I decided to revisit the overclock. Now the GPU clock still maxes at a stable +150 Mhz, like before, but the VRAM didn't crash this time at +1050Mhz. So I kept adding little by little to the RAM clock until it reached the MSI Afterburner max of +1500Mhz and It never crashed or even flinched.
Please understand, this is my first built PC, and definitely my first disassembled GPU, which you will see by the horrible picture below. Please don't laugh too hard. How is it possible that the same GPU now overclocks the VRAM by+450 Mhz more than it ever could before. Can a simple 7 degree improvement cause this, or did I most likely break some sensor on the board and am probably frying my VRAM like an egg?
Here is what I did to test it:
I ran Heaven at extreme in the background with the GPU fans off at +150Mhz GPU Clock (total 2145Mhz) and +1500MHZ VRAM (total 7500Mhz X2) Once it reached 71 degrees with the GPU clock throttled to 2085Mhz, I turned the fans on full power and it actually came back down to 63 degrees compared to my previous average of 70. Once the degrees settled at 63 (GPU clock settled at 2100Mhz), I started the actual rated benchmark so it ran for quite a while with no issues at all. First screenshot below is the GPU, and second one is of the afterburner setting and graphs, the Heaven benchmark results, and Techpowerup GPU-Z stats.
Thanks!