Horizon OC 2.0 - Most powerful overclock tool. CPU 2397MHz, GPU 1228MHz, RAM 3200+MHz

ChanseyIsTheBest · May 12, 2026

Even though I don't agree with every design decision HOC is great and the tue successor to Switch OC Suite and EOS Switchcraft. Proper timings really make a difference I went up from a stable 2400mhz at 1175mv on EOS to a stable 2733mhz at 1175mv on HOC.

I'm finally able to hit 52FPS on Crash first level at 2397/1228/2733 safe clocks vs 29FPS stock docked 1020/768/1600. That's nearly a 80% performance increase over stock docked. Of course this is one of the is one of the games that benefits the most from Ram OC but I didn't think I'd see the day where I'd be pushing close to 60fps with safe clocks. Overclock is truly transformative for games on Switch take the plunge lol

antonyfirst · May 15, 2026

Thanks for the great work!!
I am sorry if this is a noob question, but are there any profiles? Like "balanced", "best performance" and such... I am a bit afraid to do the wrong thing

Souldbminer · May 16, 2026

Esaul96

You then didnt set it up properly. Follow the guide on horizon-oc.github.io

Just use latest ams...

Vin_Thod · May 18, 2026

park!

Drygion · May 18, 2026

Souldbminer said:
Esaul96
Вы неправильно настроили систему. Следуйте инструкциям на horizon-oc.github.io

Просто используйте последнюю версию ams...

Can you tell me why this value is red? If I overclock the processor, the value drops. If I remove the undervoltage, the value also drops. The photo was taken while the system was idle in the main menu. I don't speak English well.

Souldbminer · May 19, 2026

Drygion said:
Can you tell me why this value is red? If I overclock the processor, the value drops. If I remove the undervoltage, the value also drops. The photo was taken while the system was idle in the main menu. I don't speak English well.

Its likely that the CPU is just messed up and is really getting that hot.
Have you ever overvolted the cpu before?

Drygion · May 20, 2026

Souldbminer said:
Its likely that the CPU is just messed up and is really getting that hot.
Have you ever overvolted the cpu before?

incorrect data is simply indicated here: if you increase the processor frequency, it will instantly lower the temperature, which is not logical. it is also worth considering that the temperatures of the GPU and CPU when they are in the same chip are almost always very similar. I don't have that. I'm asking you specifically for one reason - such anomalies are visible only in your program.

Post automatically merged: May 20, 2026

Souldbminer said:
Its likely that the CPU is just messed up and is really getting that hot.
Have you ever overvolted the cpu before?

"Have you ever overvolted the cpu before?" — no

k0neer · May 23, 2026

https://github.com/NaGaa95/EOS-Pro/releases

EOS-Pro is far better than Horizon.

- Console: Nintendo Switch OLED (Mariko). Gold Grade Chip (Top 1-5% Silicon Lottery).

- Maximum Stable Portable Profile: CPU 1963 MHz (805mV), GPU 998 MHz (640mV), RAM 2400 MHz (1100mV VDD2)

anon730 · May 24, 2026

Drygion said:
Can you tell me why this value is red? If I overclock the processor, the value drops. If I remove the undervoltage, the value also drops. The photo was taken while the system was idle in the main menu. I don't speak English well.

maybe it needs to get repasted? I handed down a v1 after adding a picofly and decided to replace the copper sticker with a 0.02 copper shim I had from a couple of Asus AC86u router heatsink mods from way back. I was surprised how well it worked out really.

l7777 · May 24, 2026

k0neer said:
https://github.com/NaGaa95/EOS-Pro/releases

EOS-Pro is far better than Horizon.

- Console: Nintendo Switch OLED (Mariko). Gold Grade Chip (Top 1-5% Silicon Lottery).

- Maximum Stable Portable Profile: CPU 1963 MHz (805mV), GPU 998 MHz (640mV), RAM 2400 MHz (1100mV VDD2)

Unless I'm missing something, this is built directly off of HOC. How can it be far better?

Flaya · May 24, 2026

When using hoc i cant change settings for the gpu. Every time I choose gpu from the menu atmosphere instantly crash.

Souldbminer · May 24, 2026

Drygion said:
incorrect data is simply indicated here: if you increase the processor frequency, it will instantly lower the temperature, which is not logical. it is also worth considering that the temperatures of the GPU and CPU when they are in the same chip are almost always very similar. I don't have that. I'm asking you specifically for one reason - such anomalies are visible only in your program.

Post automatically merged: May 20, 2026

"Have you ever overvolted the cpu before?" — no

Yea I think your fuses are messed up. Nintendo messed up burning the calibration fuses on certian devices, and your device is likely one of those.
Is the device in question a Lite and if so when did you obtain it?

Post automatically merged: May 24, 2026

Flaya said:
When using hoc i cant change settings for the gpu. Every time I choose gpu from the menu atmosphere instantly crash.

What error do you get?

Flaya · May 24, 2026

Souldbminer said:
Yea I think your fuses are messed up. Nintendo messed up burning the calibration fuses on certian devices, and your device is likely one of those.
Is the device in question a Lite and if so when did you obtain it?

Post automatically merged: May 24, 2026

What error do you get?

Flaya · May 26, 2026

Fresh install of everything twice. Still same Blue screen as soon as i select gpu from hoc menu.

Post automatically merged: May 26, 2026

Seems my sd card was bad. New card and the problem is gone.

k0neer · May 27, 2026

k0neer said:
https://github.com/NaGaa95/EOS-Pro/releases

EOS-Pro is far better than Horizon.

- Console: Nintendo Switch OLED (Mariko). Gold Grade Chip (Top 1-5% Silicon Lottery).

- Maximum Stable Portable Profile: CPU 1963 MHz (805mV), GPU 998 MHz (640mV), RAM 2400 MHz (1100mV VDD2)

After using and properly configuring Horizon OC, I had better results:

- Hardware: Nintendo Switch Mariko (Modo Portátil)
- RAM Profile: 2233/2266 MHz | VDD2: 1100mV | VDDQ: 600mV
- CPU Profile: 1963 MHz | 810mV - 805mV
- GPU Profile: 998 MHz | 635mV

I also had better results at low frequencies, for example:

My Nintendo Switch OLED Stable Overclock & Undervolt Profiles

Hi everyone! I wanted to share my stable frequencies and undervolt values for my Mariko OLED Switch. It looks like I got pretty lucky with the silicon lottery.

CPU Undervolt Profile

Frequency (CPU)	Voltage (mV)
1021 MHz	590 mV
1122 MHz	595 mV
1224 MHz	620 mV
1326 MHz	645 mV
1428 MHz	675 mV
1581 MHz	690 mV
1683 MHz	720 mV
1785 MHz	750 mV
1887 MHz	780 mV
1963 MHz	810 mV

---

RAM Comparison Table (Base Freq. vs Profiles)

Here is the unified matrix of my RAM scaling across all overclocked profiles.

Base Freq.	1600 MHz	1866 MHz	1996 MHz	2133/2166	2200 MHz	2233/2266	2333 MHz	2336/2400
460.8 MHz	500 mV	545 mV	560 mV	575 mV	580 mV	585 mV	600 mV	610 mV
537.6 MHz	500 mV	545 mV	560 mV	575 mV	580 mV	585 mV	600 mV	610 mV
614.4 MHz	520 mV	545 mV	560 mV	575 mV	580 mV	585 mV	600 mV	610 mV
691.2 MHz	540 mV	545 mV	560 mV	575 mV	580 mV	585 mV	600 mV	610 mV
768.0 MHz	565 mV	565 mV	565 mV	575 mV	580 mV	585 mV	600 mV	610 mV
844.8 MHz	585 mV	585 mV	585 mV	585 mV	585 mV	585 mV	600 mV	610 mV
921.6 MHz	615 mV	615 mV	615 mV	615 mV	615 mV	615 mV	615 mV	615 mV
998.0 MHz	635 mV	635 mV	635 mV	635 mV	635 mV	635 mV	635 mV	635 mV
1075.2 MHz	665 mV	665 mV	665 mV	665 mV	665 mV	665 mV	665 mV	665 mV

Feel free to ask any questions or compare them with your own Mariko chips!

Horizon OC It's much better.

Jayro · May 27, 2026

Finally, a real overclock that isn't just bumping the clocks back up to stock speeds... But actually going BEYOND those limitations! Truly awesome to witness!

RumbelBoss · May 28, 2026

This tool is just awesome, I got stable CPU 1963 mhz / GPU 998 mhz / RAM 2400 mhz with minimal adjustments and maximum stability.
No more powerpoint sliders in korok forest.

I could go for 60 fps increasing the RAM frequency much further but I'm satisfied with what I got.

Rbnsld · Saturday at 12:48 AM

RumbelBoss said:
This tool is just awesome, I got stable CPU 1963 mhz / GPU 998 mhz / RAM 2400 mhz with minimal adjustments and maximum stability.
No more powerpoint sliders in korok forest.

I could go for 60 fps increasing the RAM frequency much further but I'm satisfied with what I got.

I'm still a noob with this overclocking setup. Is this for portable/handheld plays .. how long can you play at this settings? and how safe is it to the battery and hardware itself?

RumbelBoss · Saturday at 1:46 AM

Rbnsld said:
I'm still a noob with this overclocking setup. Is this for portable/handheld plays .. how long can you play at this settings? and how safe is it to the battery and hardware itself?

I play mostly on handheld mode, haven't tested any OC on docked mode but I'm pretty sure you can push frequencies way beyond my settings, but I'm not interested in extreme OC profiles, though.

And yeah, it's pretty safe as long as you don't draw more than 8.6 W continously from the battery (for OLED and V2 models).
My settings draw 7 W at full stress on demaning areas of Shin Megami Tensei Vengeance, which is within the safe limits.

I'm getting around 2.7 hours of playtime with those settings with a full charged battery, it may seem somewhat short but I play 2 hours at best a day so It's more than enough for me.

verypedro · Monday at 2:47 PM

For some reason I just cannot get it to go over the stock/safe clock, no matter what I do. This was never a problem with sys-clk before

Horizon OC 2.0 - Most powerful overclock tool. CPU 2397MHz, GPU 1228MHz, RAM 3200+MHz

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