First post, by Kreshna Aryaguna Nurzaman
- Rank
- l33t
I have never been a CPU overclocker, ever. In fact, my PC building philosophy is always "the slowest CPU possible with the fastest GPU possible" to minimize problems with speed-sensitive games. After all, even a lowly Celeron is enough to do most office works.
However, lately I've been interested to play DOS VESA games in DOSBOX. Sandwarriors at 640x480 in DOSBOX runs pretty well on my old i5 2400 @3.10 GHz. Too bad the CPU isn't fast enough to run the game at 800x600 in DOSBOX. Then I saw this thread:
Tertz wrote on 2015-05-09, 12:59:Intel Core i7 7700K 5.0 GHz (Win10-64, DDR4 3600): 76, 86, 74 / 234, 238, 221 Intel Core i7 7700K 4.5 GHz (Win10-64, DDR4 3000): […]
Intel Core i7 7700K 5.0 GHz (Win10-64, DDR4 3600): 76, 86, 74 / 234, 238, 221
Intel Core i7 7700K 4.5 GHz (Win10-64, DDR4 3000): 68, 78, 68 / 228, 240, 221
Intel Core i7 4790K 4.5 GHz (Win10-64): 63, 71, 62 / 201, 205, 190
Intel Core i7 5820K 4.6 GHz (Win7-64): 62, 70, 62 / 204, 208, 191
Intel Core i7 4930K 4.6 GHz (Win7-64): 60, 68, 59
AMD Ryzen 5 3600 4.2 GHz (Win10-64): 59, 59, 59 / 184, 184, 183
Intel Core i7 4790K 4.4 GHz (Win8.1-64): 57, 64, 57
Intel Core i7 4770K 4.0 GHz (Win8.1-64): 55, 61, 54 / 174, 176, 163
Intel Core i5 4690 3.9 GHz (Win7-64): 53, 60, 53
Intel Core i5 3570K 4.2 GHz (Win8.1-64): 52
Intel Core i7 3930K 4.2 GHz (Win7-64): 47, 55, 49 / 159, 162, 150
AMD Ryzen 5 2600 3.9 GHz (Win10-64): 47 / 146
Intel Core i7 5700HQ 3.5 GHz (Win10-64): 46, 52, 45 / 149, 152, 141
Intel Core i5 2400 3.9 GHz (Win8.1-64): 44, 49, 44
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etcetera
I have recently bought an i7 4930k in an impulse buying, only to realize later that it is an LGA 2011 CPU. Too bad, most LGA 2011 motherboards are quite expensive --even the older models. However, Ebay seems to be flooded with cheap, Chinese-made LGA 2011 motherboards, an example is Jing Sha X97M-S2.0 MATX mobo. Such motherboards also support a large amount of RAM, like 64 GB.
The problem is, such motherboards don't have overclocking options in their BIOS.
On the other hand, an i7 4930K needs to be overclocked to 4.6 GHz to reach the performance numbers depicted above. Well I'm not that ambitious; if 4 GHz is enough to play Sandwarriors or F-22 Lightning II at 800x600 in DOSBOX, then I'll be happy. But it seems I need to overclock anyway, because the 4930K's base clock is merely 3.4 GHz. In any case, since the motherboard's BIOS isn't overclockable, I'm thinking of using Intel XTU. But I read in some forums that overclocking without using BIOS is risky.
Is that true? What are the risks and downsides of overclocking without using BIOS? For example, suppose the system refuse to boot because I set the CPU multiplier too high in XTU, can I still restore the system by removing the CMOS battery? At least if I messed up the BIOS, I can still use that method. But how about Intel XTU?
Never thought this thread would be that long, but now, for something different.....
Kreshna Aryaguna Nurzaman.