i9 9900K worth it???

[DeadPhoenix]

I've been thinking of upgrading my CPU.
I have a Gigabyte Z370 Gaming 7. I'm running the latest Bios available.

My Current i7 8700K can barely hit 4.5 Ghz. It needs 1.4 volt to run it stable. Yeah i kid you not. It bought 2 years ago, but i've been trying to OC it recently. But after i raised the multiplier, i notice temps in 80's and low 90's. It was settings the voltage at 1.45 volt.

So i was like no big deal. I'll just lower it down to 1.3 volt. But system crashes on start up...So went for 1.35v, still crash on startup. Finally i did 1.4, and the system booted up and was stable during stress test. But temps were in low 80's which is kinda high...And yes this is on 4.5 GHz.
On 4.3 Ghz its already using 1.35v. But temps were still reasonable during 100% load.

The lowest i could set with 4.3 GHz was 1.3v. Guess i lost the silicon lottery.
CPU Cooler is Corsair H115i RGB Platinum.

any feedback is welcome.

[Magma Dragoon]

https://siliconlottery.com/pages/statistics
Try the multiplier and voltage settings here, and remember to disable turbo.

[vadim]

Your current CPU is fine. There are no reasons to upgrade it in the nearest 3-5 years.

[Chill-Out-Zone]

Those CPU is known to have high temp. Have a i7 6700 K and a i7 8700 K myself, (Corsair Hydro H115i RGB Platinum on both.) and the heavy load temp is 70 c - 80 c. 6700 k goes to 4,2 GHz and 8700 k goes to 4,7 GHz. If you dare:
Those should be delided and 9900 K too.
4,2 GHz - 4,5 GHZ with 4 cores and over 8 threads is alot and can drive a GPU,(High end) 1080 ti to 2080 ti perfectly fine if you are gaming. In fact it is overpower for gaming.
i9 9900 K gives you only at most 10 - 15 FPS extra in gaming and the 8 cores and 16 threads only gives you extra power in streaming. There are few games who support so many cores and threads so...

[TehSpoopyKitteh]

Nguyên văn bởi Bjørn:

Those CPU is known to have high temp. Have a i7 6700 K and a i7 8700 K myself and the heavy load temp is 70 c - 80 c. 6700 k goes to 4,2 GHz and 8700 k goes to 4,7 GHz. If you dare:
Those should be delided and 9900 K too.
4,2 GHz - 4,5 GHZ with 4 cores and over 8 threads is alot and can drive a GPU,(High end) 1080 ti to 2080 ti perfectly fine if you are gaming. In fact it is overpower for gaming.
i9 9900 K gives you only at most 10 - 15 FPS extra in gaming and the 8 cores and 16 threads only gives you extra power in streaming. There are few games who support so many cores and threads so...

Basically that...

I have my 6700k oc’ed to 4.4GHz and under load I typically get around 65°C single core, 55°C single core under heavy load. Of course I have a standing style CPU cooler (Arctic Freezer 13CO)...not sure what temperatures a stock cooler would yield though...

[DeadPhoenix]

Nguyên văn bởi Magma Dragoon:

https://siliconlottery.com/pages/statistics
Try the multiplier and voltage settings here, and remember to disable turbo.

Turbo was disabled. I only changed the Multiplier and V-core. Anything lower than 1.4 Volt and the system crashes on start up.

Nguyên văn bởi vadim:

Your current CPU is fine. There are no reasons to upgrade it in the nearest 3-5 years.

No its not !!! it needs a lot of voltage for higher clock speeds. Aren't i7 8700K supposed to clock to 4.7 Ghz out of the box when multicore enhanced is enabled??? Because mine clearly doesn't.

Even on day one it needs 1.3v for 4.3 Ghz. I've did some research, and on stock they're supposed to run between 1.150 and 1.2v.

[vadim]

Nguyên văn bởi DeadPhoenix:

Aren't i7 8700K supposed to clock to 4.7 Ghz out of the box when multicore enhanced is enabled???

4.7 GHz when only one core is under load and others are idling.
4.6 for 2 cores
4.5 for 3 active cores
4.4 for 4-5 cores
And 4.3 GHz when all 6 cores are loaded (it doesn't matter whether they are fully loaded or only partially).

[DeadPhoenix]

Nguyên văn bởi vadim:

Nguyên văn bởi DeadPhoenix:

Aren't i7 8700K supposed to clock to 4.7 Ghz out of the box when multicore enhanced is enabled???

4.7 GHz when only one core is under load and others are idling.
4.6 for 2 cores
4.5 for 3 active cores
4.4 for 4-5 cores
And 4.3 GHz when all 6 cores are loaded (it doesn't matter whether they are fully loaded or only partially).

With Mulit core enhanced on it will boost all cores to 4.7 GHz. And i've seen plenty of people reporting they need about 1.3 to 1.35v. While i already need 1.4v for 4.5 GHz...
So that's 1.5v for 4.7 GHz...

[vadim]

Turn it off - problem solved.

[DeadPhoenix]

Nguyên văn bởi vadim:

Turn it off - problem solved.

Turn what off???

[vadim]

Nguyên văn bởi DeadPhoenix:

Turn what off???

Stupid useless auto overclocking known as "multi core enhancement" (Asus) or "Enchanced Turbo" (MSI), or something like that.
There is nothing more than marketing hype for dummies, anyway.

[DeadPhoenix]

Nguyên văn bởi vadim:

Nguyên văn bởi DeadPhoenix:

Turn what off???

Stupid useless auto overclocking known as "multi core enhancement" (Asus) or "Enchanced Turbo" (MSI), or something like that.
There is nothing more than marketing hype for dummies, anyway.

It basically clocks are cores to 4.7 Ghz. But you can do it manually too. Like i said many people said it needs around 1.3v to 1.35v average for 4.7 Ghz on all cores.

I just set 4.7 Ghz on all cores manually. And the Bios reports it needs 1.48v. When i ran a test it instantly throttled my CPU to 3.3 Ghz since it was reaching 100c. I tried lowering down the voltages manually, would not boot below 1.45v...Multicore enhanced was turned off as well turbo.

Yeah i don't think i want to deal with this 3 to 5 years down the line. I probably got a very bad chip that needs a ridiculous amount of voltage.

That's why i'm looking at the i9 9900K. Its currently on sale for 450.

[Bad 💀 Motha]

Don't buy 9th gen now. Intel is just trying to compete with Ryzen with lower pricing now. 10th gen will be here soon.

And 9900K/KS just aren't worth it. A 9700K does the same thing.

Or better yet, go Ryzen instead.

[Julien, cut it out.]

Why do you think it is worth upgrading? More cores, more threads? Higher frequency?
Is the i7-8700k limiting your workflow?

[DeadPhoenix]

Nguyên văn bởi Bad 💀 Motha:

Don't buy 9th gen now. Intel is just trying to compete with Ryzen with lower pricing now. 10th gen will be here soon.

And 9900K/KS just aren't worth it. A 9700K does the same thing.

Or better yet, go Ryzen instead.

I don't want to switch to a new platform yet. I just want to change the CPU.

Nguyên văn bởi Bananarama:

Why do you think it is worth upgrading? More cores, more threads? Higher frequency?
Is the i7-8700k limiting your workflow?

Any OC that i put on the CPU will run high 80's low 90's because it needs a lot of voltage. Not sure if the chip is going bad or i got very unlucky with silicon lottery.

That's why i want to change it to working CPU that doesn't need 1.4 to 1.5 volt to run 4.7 GHz...

[Bad 💀 Motha]

8700K at whatever OC you can get is more then enough for gaming for the next 3-5 years