Discussion Intel Meteor, Arrow, Lunar & Panther Lakes + WCL Discussion Threads

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Tigerick

Senior member
Apr 1, 2022
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Wildcat Lake (WCL) Preliminary Specs

Intel Wildcat Lake (WCL) is upcoming mobile SoC replacing ADL-N. WCL consists of 2 tiles: compute tile and PCD tile. It is true single die consists of CPU, GPU and NPU that is fabbed by 18-A process. Last time I checked, PCD tile is fabbed by TSMC N6 process. They are connected through UCIe, not D2D; a first from Intel. Expecting launching in Q2/Computex 2026. In case people don't remember AlderLake-N, I have created a table below to compare the detail specs of ADL-N and WCL. Just for fun, I am throwing LNL and upcoming Mediatek D9500 SoC.

Intel Alder Lake - NIntel Wildcat LakeIntel Lunar LakeMediatek D9500
Launch DateQ1-2023Q2-2026 ?Q3-2024Q3-2025
ModelIntel N300?Core Ultra 7 268VDimensity 9500 5G
Dies2221
NodeIntel 7 + ?Intel 18-A + TSMC N6TSMC N3B + N6TSMC N3P
CPU8 E-cores2 P-core + 4 LP E-cores4 P-core + 4 LP E-coresC1 1+3+4
Threads8688
Max Clock3.8 GHz?5 GHz
L3 Cache6 MB?12 MB
TDP7 WFanless ?17 WFanless
Memory64-bit LPDDR5-480064-bit LPDDR5-6800 ?128-bit LPDDR5X-853364-bit LPDDR5X-10667
Size16 GB?32 GB24 GB ?
Bandwidth~ 55 GB/s136 GB/s85.6 GB/s
GPUUHD GraphicsArc 140VG1 Ultra
EU / Xe32 EU2 Xe8 Xe12
Max Clock1.25 GHz2 GHz
NPUNA18 TOPS48 TOPS100 TOPS ?






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As Hot Chips 34 starting this week, Intel will unveil technical information of upcoming Meteor Lake (MTL) and Arrow Lake (ARL), new generation platform after Raptor Lake. Both MTL and ARL represent new direction which Intel will move to multiple chiplets and combine as one SoC platform.

MTL also represents new compute tile that based on Intel 4 process which is based on EUV lithography, a first from Intel. Intel expects to ship MTL mobile SoC in 2023.

ARL will come after MTL so Intel should be shipping it in 2024, that is what Intel roadmap is telling us. ARL compute tile will be manufactured by Intel 20A process, a first from Intel to use GAA transistors called RibbonFET.



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ToTTenTranz

Senior member
Feb 4, 2021
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Intel released a video yesterday about Panther Lake's iGPU:



They specifically namedrop handhelds. I wonder if we're getting a MSI Claw with Panther Lake as one of the first PTL devices out there.
 

ToTTenTranz

Senior member
Feb 4, 2021
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Does it matter at all whether they're calling it "Arc" or "Arc-B"?
This is probably happening because Xe3 discrete GPUs are still far away and they don't want to Osborne their current and future Battlemage lineup.


Besides, videocardz' table is wrong. Arrow Lake uses an Alchemist Xe LPG GPU, not a Battlemage Xe2 like the one in Lunar Lake. Intel is already mixing up two GPU architectures within mobile processors under the same branding. And yet, performance and capabilities are similar so most people don't care.
 

CouncilorIrissa

Senior member
Jul 28, 2023
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Does it matter at all whether they're calling it "Arc" or "Arc-B"?
This is probably happening because Xe3 discrete GPUs are still far away and they don't want to Osborne their current and future Battlemage lineup.
It does, because Xe3 is supposedly a much more capable IP that shouldn't have to carry BMG's baggage (CPU overhead was fixed, but the damage has been done).
 

poke01

Diamond Member
Mar 8, 2022
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50% faster than LNL like i said sadly bottlenecked by memory :(
It’s not bottlenecked by memory. There’s barely any core improvement.

No wonder it’s under Battlemage still.

Edit: maybe I’ll just wait for tests.
 

DavidC1

Golden Member
Dec 29, 2023
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Who said there were no core improvements on Cougar Cove? I think Adroc was one of them.
The front end has been reworked to deliver a steadier instruction flow, while the scheduler issues work to the execution units with fewer stalls. Internal structures such as the dispatch and allocation queues have been slightly widened to balance throughput and energy use. Together these adjustments yield roughly five to ten percent higher performance per clock at the same frequency.
The earlier leaks saying 5-8% were right.

Darkmont improves:
-Branch prediction
-Dynamic Prefetcher controls
-Bigger Nanocode coverage
-Better memory disambiguation

Pantherlake also finally balances it so more power is given to GPU rather than CPU. This will improve standing compared to competition. Previous architectures would often give too much power to CPU, starving the GPU core.
 

ToTTenTranz

Senior member
Feb 4, 2021
698
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It does, because Xe3 is supposedly a much more capable IP that shouldn't have to carry BMG's baggage (CPU overhead was fixed, but the damage has been done).

It doesn't because ~99% of the people using Intel graphics aren't using an Intel dGPU.
Heck, the vast majority of people using a modern Intel GPU for gaming aren't using an Intel dGPU, either. They're using a Xe1 140T or a Xe2 140V.
Intel kept the iGPU Xe2's branding under A-series despite being architecturally similar to dGPU B-series, and now they're doing the same with Xe3 under B-series.


50% faster than LNL like i said sadly bottlenecked by memory :(
There's a whopping 16MB L2 in there meaning they increased the L2 per core by 50%, and then it can access up to 18MB L3 on the Compute Tile.

1760016306473.jpeg



Plus, the NPU can also access the L3. Although Intel doesn't mention this, it probably means Panther Lake could efficiently offload the upscaler to the NPU, unlike AMD's SoCs.