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[NoteBookCheck] Exclusive: First benchmarks of Intel's Lakefield Hybrid CPU - Innovative or unnecessary?

 
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post #1 of 8 (permalink) Old 06-27-2020, 09:52 AM - Thread Starter
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[NoteBookCheck] Exclusive: First benchmarks of Intel's Lakefield Hybrid CPU - Innovative or unnecessary?

Source: https://www.notebookcheck.net/Exclus....477524.0.html

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Intel's new Lakefield processor is supposed to be a chip with a very low power consumption for slim devices like the Samsung Galaxy Book S or the Microsoft Surface Neo. Thanks to the low TDP of 7 Watts, the processor can be cooled passively. This is supposed to be Intel's x86 alternative for ARM processor like the Snapdragon 8cx we recently reviewed in the Samsung Galaxy Book S.

Lakefield CPU (Source: Intel)
Lakefield CPU (Source: Intel)
The basic principle is comparable to the big.LITTLE design we know from ARM processors, where fast cores are combined with slower, but more efficient cores. For the new Lakefield processor Core i5-L16G7, intel combines a fast Sunny Cove core (up to 3.0 GHz), which is also used for modern 10 nm Ice Lake-U CPUs, with four efficient Tremont Atom cores (also 10 nm, up to 1.8 GHz). The hybrid processor also includes a fast integrated GPU. In theory, it is a fast Ice Lake iGPU (Gen. 11) with the designation Iris Plus Graphics G7 with 64 Execution Units, but the clock is much lower compared to regular 15W models (500 vs. 1100 MHz), so the performance is more comparable to a "regular" UHD Graphics 620. Tools like GPU-Z either show the iGPU as Lakefield GT2 or UHD Graphics. In addition to a fast Wi-Fi 6 module (AX200), Lakefield also supports Intel's XMM7560 LTE modem, but the latter is not included in the Samsung Galaxy Book S.
A bit disappointing performance compared to a year old ARM chip. Can't wait to see the future ARM desktop chips coming out later this year.

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post #2 of 8 (permalink) Old 06-27-2020, 06:54 PM
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It's a shame they didn't use the task manager to set affinity for the single core test to the Sunny Cove core, but maybe the setting didn't work?
I've never had a Ryzen, but I remember hearing about people setting core affinities to get away from cross ccx use and thought it was known about.

It seems the full potential of this chip is not being accessed by the reviewer for whatever reason. Could be a lot of things with this setup being so new.

Hopefully the propensity to use the fast core will go up with a higher performance power plan and down with more power savings power plans in future Windows updates.
Maybe even dumping tasks to the lesser cores when the power limit starts throttling the chip.

Seeing how messed up the performance graphs looked on the task manager, I think there is still improvement available in the performance of this chip.

I am really hoping for it to be snappy as a 3ghz single SC core for short periods, then dropping back to atom power consumption for near idle tasks like streaming media.

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post #3 of 8 (permalink) Old 06-27-2020, 07:08 PM
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I wish there was some embedded ryzen laptops. A would love a fanless laptop.

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post #4 of 8 (permalink) Old 06-27-2020, 07:51 PM
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i wish intel would stop embarrassing themselves in the arm scene.

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post #5 of 8 (permalink) Old 06-27-2020, 09:57 PM
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Quote: Originally Posted by skupples View Post
i wish intel would stop embarrassing themselves in the arm scene.
Don't make me pull out my stick and start beating that windows phone dead horse again. Not the windows rt versions phones like the new arm macs are going to be in the appleverse, but like windows 8 with the fullscreen universal app tiles thing that everyone hated as a default but would have been perfect for an atom phone. x86/64 is better at running x86/64 than emulating arm (which the 2 x86/64 phones did) but still does fine at it, and arm sucks eggs at emulating x86/64.

They've got those cheap Chinese z8300 tablets that dual boot some old android and windows that have inferior hardware to the zenfone2 and t5c. Why couldn't there have been one phone that dual booted like that. Just one. With enough ports to dock to a screen and usb hub while charging. OK, and also ran on cdma networks, but that is just particular to where I live, but still doesn't seem like that big a chance to take. With boot options you could even set up a Linux partition and have some low end Linux pc that you would probably have to dock and usb in some peripherals first. I don't know why you would want to do that typey Linux stuff, but some people prefer it and it can work on atoms so long as there are Linux drivers.

Such a phone would just be able to do more than any arm phone ever could.
Intel could still push to get one of these made. But they won't ofc.

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post #6 of 8 (permalink) Old 06-27-2020, 09:59 PM
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why?

Because phones need to have ~50-100x mark up.


as much as I hate to say it, I think the surface model will slowly gain more traction over time. Eventually the majority of us will just be plopping a tablet into a docking station, instead of lugging our laptops everywhere, or having multiple systems in multiple locations, all for the same purpose.

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post #7 of 8 (permalink) Old 06-27-2020, 10:36 PM
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Quote: Originally Posted by skupples View Post
why?

Because phones need to have ~50-100x mark up.


as much as I hate to say it, I think the surface model will slowly gain more traction over time. Eventually the majority of us will just be plopping a tablet into a docking station, instead of lugging our laptops everywhere, or having multiple systems in multiple locations, all for the same purpose.
For the average user their phone is more than powerful enough but productivity on a phone? Good luck.

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post #8 of 8 (permalink) Old 06-27-2020, 10:38 PM - Thread Starter
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Quote: Originally Posted by skupples View Post
why?

Because phones need to have ~50-100x mark up.


as much as I hate to say it, I think the surface model will slowly gain more traction over time. Eventually the majority of us will just be plopping a tablet into a docking station, instead of lugging our laptops everywhere, or having multiple systems in multiple locations, all for the same purpose.
I did that for quite a bit of time with my Samsung Galaxy phone with the dex dock.

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