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OK, so no undervolt and CC Performance profile set to Overboost/Overboost extreme I hit 17969 CPU score as a custom run. What profile are you using in CC?

Time Spy is an older benchmark and doesn't scale well with Core Ultra CPUs. Furthermore, memory makes all the difference in CPU scores, and it seems that with the i9-13900HX you used 6400MT/s modules while with the 275HX you used 5600MT/s. With VBS disabled, stock memory (5600MHz CL46) and stock CPU, I reached up to ~17700. Everything remained the same, but with CPU undervolting and an IETS GT600, the CPU score increased to ~18500. And finally, with memory adjusted to 6400MT/s CL36, I now reach up to ~21900. I've seen scores of ~24k with faster memory. Regarding the GPU, its score with the 4090 is good, slightly below its maximum overclocking potential (up to ~24.5k), but its score with the 5090 is not so good... With a well-tuned overclock, it should be able to exceed 27k and perhaps even 28k.

How did you for the FN key layout? Xmg dont have same layout as yours

The problem with xmg bios is the FN key layout which are not the same as ours.

My settings were all tested in several tests over a few hours. Everything is 100% stable until then... Regarding the cache, initially I kept it at 3.8GHz with an undervolt of -80mV, but I realized during testing that the undervolt on the cache delivered practically no benefits (maybe 1 to 2W less at full load). Then I tried overclocking in XTU and discovered that for 4.0GHz it was enough to maintain the original voltage, without undervolting. With the ring at 3.8 GHz and everything else the same, I get about ~86 ns. I believe that with Hynix A-die single rank it's possible to achieve 7600MT/s CL36 and latency below 80ns. We'll see... I'm waiting for a reasonable price to buy 2x16gb Fury Impact 6400MT/s CL38 and test it. As for the BIOS update, I haven't updated to the XMG BIOS yet for fear of something going wrong, but I've seen several reports that it works.

It is most likely that it is not making good contact with the GPU chip. This could be due to using thermal pads that are too large for the GPU, although it is a hot GPU it should not get so hot in the first few seconds of power-up.

So far I have found that increasing Cache to 4.0Ghz actually increased latency. There is a VF Curve applied by default, but Cache overclocking only works with VF offset and needs higher voltage to be stable. I think its only offered for Eluktronics laptops. From what I was told Bootguard is enabled by default with most OEMs so flashing an unsigned bios would not boot regardless. I was even told to not load the XMG bios (while I was waiting for Premamod to become available) as that would fuse Bootguard and lock out any modded bios on that motherboard going forward. I cannot even take advantage of the 250W limit without the liquid cooling addon, but do appreciate all of the other adjustment options. As it stands I think yours still has better latency number than mine, and I have yet to even approach the sub-80ns range I have seen from Legion 7i Pro G10 users.

I think i need to reflash my bios, Im using mechrevo CC but same as dream machine, Screen calibration is not working mux switch too, the switch need to be done in bios. If not for fn key mismatch i would flash XMG bios. Hydroc g2 has same fn key layout

I'm currently using the XMG CC, but it's identical to the Avell one. I haven't noticed any differences...

Thx for the reply, I booted on 6800mhz but my xmg control center is broken, its not working anymore, Reinstalled it did nothing. Tested eluktronic one, same think. I think my bios is interfering. What CC do you use? Any other one that i can test? Found the dream machine (std) works, but options are missing and mux switch is not working... Any idea how to fix this? Edit: tested in another windows installation same problem

how many seconds do you actually get how much power? As the PL1/2 can be a bit unrealiable. But yeah great that you already have the new 2026 model fans. My Gram Pro doesn't have them yet - but was manufactured in early 2025. Mine came however with a much smaller power adapter (65w EU) - but it's still bigger than others being 3 connectors instead of 2 only. It must be an UK problem. Some 10-20w chargers will actually work - others won't. Mine is okay on 5v/2A (but yeah 10w charging may mean you still lose power if you use it for demanding things). As for battery power. Things you need to do. Enable lowest for the NVME drives in power manager (the setting where you can select HIPM+DIPM but lowest is even less). Use power saver windows profile by default on battery - but then increase the PL1/PL2/power limits for that to your liking with Throttlestop. Set EPP to 220 or even 230. Use Bitdfender Free as Antivirus and switch of browsing protection and similar things. Otherwise Windows 11 is draining battery way too quick. You can get into some more detailed power saving things via enabling them in the power profiles via windows registry, but they will not change much (HIPM/DIPM stuff needs to be activated in registry too). Your Cinebench 23 score of 16.000 does show it has quite liberal power usage. I think the version with older fans only reached to 15xxx points. On the Lunar Lake with liberal power settings (if you find in bios the setting that actually unlocks it - I cannot anymore) I got 12xxx - but with the default 40/30 it's only 10600 or so. Panter Lake H could get around 20.xxx but only with high power. I guess with 40/30w it gets around 18000 - it's using a bit less power vs Arrow Lake - but the biggest difference is that at 0.3-3w package power it gets much more work down vs older Intel chips. They really optimised how it can switch off parts of the CPU and the management about cpu power moved away from windows mainly to the CPU deciding if cores should sleep or not because Windows 11 still messes up the management which core should compute what to pure chance.

So I "upgraded" from the Neo 17 E23 with I9-13900HX and RTX 4090 to the Neo 16 E25 with Ultra 9 275HX and RTX 5090. Timespy score from Neo 17 - 23644 Timespy score from Neo 16 - 24474 Detailed comparison. So it looks like the 5090 is ~11.6% more powerful than the 4090 but the Ultra 9 is 33% less powerful than the I9-13900HX. Advice, suggestions, help please.

168 = 5600 192 = 6400 204 = 6800 ...

@CowDontMeow If you do find where you can get BOE09D9 screens, let me know, as I am also in the UK. I do have a Non-Gsync one currently installed, but would love a GSync version.

that gram book has nothing at all in common with the normal grams, and even less gram pro.

HEMLOO IM NEW TO THIS FORUM...ACTUALLY SORRY IF THIS IS THE WRONG PAGE IM NEW TO WEB FORUMS AT ALL, but anyway..... i recently was able to get my hands on an EUROCOM SKY X4C and i discovered that it is this "CLEVO P750TM1-G" even tho mine is not gsync and 60hz only... ive downloaded trhottle stop and manage to do a decent "UNDERVOLT" but ive noticed that i was getting this EDP OTHER after a long search ive done everything already, including change the VR CURRENT LIMIT MAX to 255A, but i noticed that my laptop cant go past138A-139A 180w-170w ON CPU ONLY(and yes even at 77C with some liquid cooling mod i made with scrap parts since im poor) then after more search i discovered i can adjust these LOAD LINE CALIBRATION, ACDC(NOT THE BAND APPARENTLY) and VDROOP in bios to get better perfomance..... HOWEVER I DONT HAVE SUCH CONFIGS IN BIOS....Anyway,exploring some forums ive come across these tales of primordial bios WIZARDS (PREMA, DSANKE, BAKED,PHOENIX)HIGH LEVEL TECH WIZARDS THAT MODDED BIO'SES IN UNLOCKED BEASTS...but it seems that they are long gone, vanished, the golden age ive never come experience is now no more.......ANYWAY, CAN YOU GUYS ENLIGHTHEN ME AT LEAST ABOUT THOSE ANCIENT TECH LORDS, also can you guys help me with my bios limit? BIOS VERSION: 1.07.27REV4 KBC/EC FIRMWARE REVISION: 1.07.16 11.8.65.3606 SETUP: EUROCOM SKY X4C(APPARENTLY P750-TM1G) I7-9700KF (4.9GHZ -95.7CORE(AVX OFFSET-2) 4.2GHZ -100MV CACHE) RTX 2070MXM 8GBS(115W-2050MHZ +140)

I can select custom profile, but there is no option to select what frequency i need. Edit: i got it, memory ration " 33.333 gives the frequency. I will play with the timing now,

To enable the XMP profile in the BIOS, you need memory modules with XMP profiles. To manually adjust the memory, XMP memory modules are not necessary. Change the profile to manual and adjust the settings. Simply changing the target memory frequency is not effective.

Now as im willing to OC ram i find the xmp profile cant be selected in bios, Checking my ram its PnP not XMP. Do inneed xmp to oc the ram? Also how did you changed the speed in bios, When i select 6400 it does stick in bios but in windows it says 5600mhz...

Not yet, I just select all P-cores (or all E-cores) and set the undervolt.

I have tREFI = 24576 To achieve 84ns I have: NGU = 3.0GHz D2D = 3.1GHz Cache = 4.0GHz For me, overclock the ring to 4.0GHz decreased the latency by ~2ns. Is it possible to get the Premamod BIOS without an Eluktronics laptop? I messaged Prema about this, but haven't received a response... I really want the higher power limit (250W vs 210W), as well as the extra adjustment options.

at same clock n memory speed ivy is 3-9% slower then haswell in games(mostly bcs of reduced cache latency)... n u checked the PCIe speed goin up when starting 3D stuff? had it on desktop once with my old 3060, driver bug n speed was even in 3D at 16x1.0 n not 16x4.0 n was a massive frame drop.

Ashley Johnson - Through the Valley SPOILER ALERT for The Last Of Us I'm replaying TLOU 1&2 Apparently there are 2 factions for this game. Love it or hate it ... I'm definitely in the LOVE it corner. Perfect...but so damn sad.

Holding the power button down with no internal battery just drains any remaining electrical energy from the capacitors. It won't reset anything.

Yeah, it was as simple as trying to run the wrong version. Edit: You have to undervolt core by core now?