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Intel Core i3 N300 is a Core Processor with Just E-cores That Somehow Isn't an Atom or Pentium Silver

btarunr

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The upcoming Intel Core i3-N300 is an upcoming entry-level mobile processor that only has "Gracemont" E-cores, no P-cores, and yet somehow isn't branded under Atom or Pentium Silver. This isn't just because Intel retired the entry-level brands in favor of a generic "Intel Inside" brand to be used on entry-level notebooks; but very likely because of the way these chips are architected.

The i3-N300 and i3-N305 were spotted in separate Geekbench submissions discovered by Benchleaks. The chip is identified as having 8 cores and 8 logical processors (threads), but its cache is identified as being 4x 64 KB L1I, with 4x 32 KB L1D, 1x 2 MB L2, and 1x 6 MB L3. It's possible that the chip's design is very similar to a conventional "Alder Lake" processor—with a centralized L3 cache and client interconnect fabric, an uncore, and an iGPU; but with no P-cores, just the two "Gracemont" E-core clusters, each with 2 MB of L2 cache shared among 4 cores.



"Gracemont" lacks HyperThreading support, which makes this chip 8-core/8-thread. The chip comes with clock speeds of 1.80 GHz base, with 3.80 GHz boost. The chip scores a fairly high single-thread Geekbench number of 1025 points, but with 4420 points multi-thread. This would put the processor's performance roughly on-par with AMD "Renoir" Ryzen 4000-series mobile processors in the multi-threaded score; but its single-threaded score is quite-something, on par with a "Cezanne" Ryzen 5000-series mobile chip.

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What the heck?
 
Slightly below the Ryzen 5 4500U(1100/4600) which is 6C/6T and much slower than models with active SMT, 4600U (1100/5500)
 
This is exactly what they teased with the release of Alder Lake. If entry-level client servers didn't see as much value in AVX we'd have seen these launch shortly after 12th gen as Celeron/Pentium. But Intel decided to keep the feature set identical from top to bottom with Alder Lake and skip making an E-core only design until later.
 
but its single-threaded score is quite-something, on par with a "Cezanne" Ryzen 5000-series mobile chip.
Looks a little more like a "Lucienne" than "Cezanne". ST bench is just over the 5700U. Also MT right around the 5500U, so "Lucienne" again.
 
That is 8T in a tiny cost-effective chip, targeting power constrained offerings where 1T or gamingperf is not the primary focus.

And this fuels the rumors that Gracemont is not 100% the successor of Tremont because it is not purely focused on power-efficiency but area-efficiency instead.
There are rumors, that Crestmont will follow those Gracemont targets where another offering will follow stricter power-efficiency like Tremont and Atom did.
 
its always nice to find more than 4 chips in as non-server atom sku - definitely something to watch out for on discount notebooks!
 
Interesting, like a more efficient version of my coffee lake i5?
 
this would probably be good for a Chromebook
 
What the heck?

Its TDP should be something really nice:

1664464303951.png
 
Looks a little more like a "Lucienne" than "Cezanne". ST bench is just over the 5700U. Also MT right around the 5500U, so "Lucienne" again.
That thing has what 15W TDP IIRC? This chip, if it's a full fledged desktop part, almost certainly has 2x of that.
So there's that. Also 5700u can be a fair bit faster, this likely at 25W cTDP ~
Screenshot (71).png
Its TDP should be something really nice:

View attachment 263635
So you're thinking TDP of 7.5W for these chips? Impossible with the scores you're seeing!
 
N300... what a refreshing name after the hundred digit Core CPU names we're used to seeing from Intel! :rolleyes:
 
*This* is the CPU I've been waiting for ever since Alder Lake was announced with Atom-successor E-cores with Skylake-level performance. That is still a lot of performance for most day to day tasks and 8 cores is as good as I'd expected. That multi-core score is weak because these seem to be clocking down to stay within a that tiny 7.5W threshold, but IMO paired with a modest low-powered dGPU (1650 Ti or 3050 laptop lowest power variant), this could be a *very* light all day battery laptop with decent lo-mid settings gaming capabilities.
 
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If its 10 watts I bet you can just put a block of metal on it and call it a day.
I have a 35 W Core i7 cooled by this. It stays around 60 °C under heavy load.
 
Really looking forward to reviews.
 
Maybe with this someone could make a cheap Windows tablet that doesn't suck.
 
These numbers seem far below normal.

I prefer to rely on notebookcheck data which considers the average score of all notebook models analyzed. :p
I honestly didn't know if they were individual or average or what. I assumed they are average - I usually use Passmark anyways.
 
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