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Factory Overclocking - Explanation

Joined
Jan 12, 2023
Messages
384 (0.44/day)
System Name IZALITH (or just "Lith")
Processor AMD Ryzen 7 7800X3D (4.2Ghz base, 5.0Ghz boost, -30 PBO offset)
Motherboard Gigabyte X670E Aorus Master Rev 1.0
Cooling Deepcool Gammaxx AG400 Single Tower
Memory Corsair Vengeance 64GB (2x32GB) 6000MHz CL40 DDR5 XMP (XMP enabled)
Video Card(s) PowerColor Radeon RX 7900 XTX Red Devil OC 24GB (2.39Ghz base, 2.99Ghz boost, -30 core offset)
Storage 2x1TB SSD, 2x2TB SSD, 2x 8TB HDD
Display(s) Samsung Odyssey G51C 27" QHD (1440p 165Hz) + Samsung Odyssey G3 24" FHD (1080p 165Hz)
Case Corsair 7000D Airflow Full Tower
Audio Device(s) Corsair HS55 Surround Wired Headset/LG Z407 Speaker Set
Power Supply Corsair HX1000 Platinum Modular (1000W)
Mouse Logitech G502 X LIGHTSPEED Wireless Gaming Mouse
Keyboard Keychron K4 Wireless Mechanical Keyboard
Software Arch Linux
Hi all,

In the interest of increasing my rather limited and out of date hardware knowledge, I'm hoping someone here can give me an explanation of "factory overclocking" in regard to GPUs. From my understanding of overclocking, it is the process of pushing a chip (GPU in this context) past its maximum frequency which is determined by the manufacturer themselves. But my PowerColor 6950XT for example has a dual BIOS which you can set to Overclock mode which does this for you out of the box (I believe?).

So in this case it seems like PowerColor have said "value X is the stock maximum for the GPU but we can push it to value Y with the OC BIOS". My question would be: why not just set the chip to run at Y by default? I assume that they're not pushing the chip into unsafe territory with the OC BIOS (because it wouldn't make sense for a manufacturer to offer an unsafe option out of the box) so is it a matter of them setting the default to a lower value to reduce fan noise/power consumption? If not, what's the reasoning behind offering a "factory overclock" on GPUs?
 
Many moons ago factory overclocked was a real thing. Now today factory overclock is just a fancy way to say they have the powerlimit raised by default so the tubro/boost goes higher. Still can do the same with a none overclocked model.
 
Since the OC BIOS usually has a higher power limit, the clock speeds are slightly higher, but the fans are louder.
Silent BIOS has less Power caps but lower clock speed and fan noise.
Frankly, the differences are very little. I prefer to make adjustments myself instead of using them.
So Factory OC doesn't create miracles. Just small touches Increases the Power limit and gains a slight clock speed boost.
 
Alright, got it, thank you very much.
 
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