In September 2020, AMD released its Ryzen 3000 C-series for Chromebooks, a line up of budget-priced chips based on the 12nm Picasso (Ryzen+) architecture that featured up to 4 cores and 8 threads and up to 11 Radeon Vega compute units. Nearly two years on and AMD has just announced four new Ryzen 5000 C-series SKUs designed to bring the performance benefits of its Cezanne (Zen 3) architecture to the Chromebook space.

The four new Ryzen 5000 C-series processors range from 8C/16T to 2C/4T, all with a 15 W TDP and designed to improve productivity and battery life over existing Ryzen 3000 C-series processors and Intel's 11th Gen Tiger Lake chips.

Aimed at the premium area of the Chromebook market, the new AMD Ryzen 5000 C-series looks to offer OEMs and users premium options for the latest generation of Chromebooks with some higher-end features such as fast charging and Wi-Fi 6E networking capability.

AMD Ryzen 5000 C-Series For Chromebooks (Zen 3)
AnandTech Core/
Ryzen 7 5825C 8 16 2000 4500 20 MB Vega 8 Up to 1.8 GHz 15 W
Ryzen 5 5625C 6 12 2300 4300 19 MB Vega 7 Up to 1.6 GHz 15 W
Ryzen 3 5425C 4 8 2700 4100 10 MB Vega 6 Up to 1.5 GHz 15 W
Ryzen 3 5125C 2 4 3000 3000 9 MB Vega 3 Up to 1.2 GHz 15 W

Looking at the specifications of the Ryzen 5000 C-series line-up, the top model is the Ryzen 7 5825C with an impressive 8 cores and 16 threads which is double that of the previous top-tier Chromebook Ryzen processor, the AMD Ryzen 7 3700C. It has a base core frequency of 2 GHz, with a boost core clock of up to 4.5 GHz on a single core, which is bolstered by its Radeon Vega 8 integrated graphics with a maximum boost frequency of up to 1.8 GHz.

The second model in the new line-up is the Ryzen 5 5625C, which has 6 cores, 12 threads, and integrated Radeon Vega 7 graphics with a maximum boost frequency of up to 1.6 GHz. The 6 cores feature a base frequency of 2.3 GHz, while one of these cores can boost up to 4.3 GHz for applications that demand additional performance.

Focusing on the two entry-level models in the line-up, the Ryzen 3 5425C benefits from 4 cores and 8 threads with a base frequency of 2.7 GHz, with a boost frequency on one core of up to 4.1 GHz, as well as AMD's Radeon Vega 6 graphics that can boost up to 1.5 GHz. The Ryzen 3 5125C is the lowest in the new C-series stack with just 2 cores and 4 threads, has a consistent core clock speed of 3 GHz, and has 3 Vega graphics compute cores with a maximum boost frequency of up to 1.2 GHz.

As we go from top to bottom, each model in the line-up increases in base core frequency, while the boost clocks bar the Ryzen 3 5125C, which has a set core clock speed of 3 GHz, experience a drop in frequency. All the Ryzen 5000 C-series models feature a 15 W TDP envelope, so core frequency on both the Zen 3 cores and the Radeon Vega cores will depend on the application, task, or game being used to optimize the relative power envelope to fit within the 15 W TDP threshold.

While we don't typically concern ourselves with vendor-given performance data, perhaps the most impressive of AMD's claims is battery life. AMD is claiming that the Ryzen 5 5625C has up to improve battery life by 94% when directly compared to Intel's Core i5-1135G7 processor, which, if true, is very impressive. One of the main benefits of the Chromebook series is usability, and having an improved battery life can increase overall productivity and lifespan when using it while traveling between charges.

So far, AMD has announced two of its partners already on board with its Ryzen 5000 C-series for Chromebooks, including HP and Acer. Both are launching new models due later on in the year, but AMD highlighted two new models:

HP Elite C645 G2 Chromebook

The first of the new Chromebooks to feature AMD's Ryzen 7 5825C processor is the HP Elite C645 G2. HP is expected to offer multiple display options, including various configurations of its 14" 1080p touchscreen panel and plenty of impressive features. These include support for up to 16 GB of LPDDR4X memory with up to 512 GB of PCIe storage. Other features include the latest Wi-Fi 6E wireless and BT 5.2 connectivity and an optional 4G LTE version. The HP Elite C645 will also have a 5 MP integrated webcam, a SmartCard terminal for a CAD-capable keyboard, and an SEC fingerprint sensor for added security.

The HP Elite C645 G2 Chromebook is expected to hit retail shelves in Q2 2022, with pricing currently unknown.

Acer Chromebook Spin 514

The second of the new Ryzen 5000 C-series Chromebooks is the Acer Chromebook Spin 514, which is a 2-in-1 convertible with a 14" touchscreen. Acer is using the AMD Ryzen 7 5825C processor in this model, and it can support up to 256 GB of PCIe Gen 3 storage and support the latest Wi-FI 6E routers with BT 5.2 connectivity. Acer has specified that the Chromebook Spin 514 includes military-grade MIL-STD 810 durability with a Corning gorilla glass touchscreen panel that supports sRGB 100% color.

At the time of writing, Acer says the Chromebook Spin 514 will be available in Q3 2022, with expected pricing not disclosed.

It is expected that more vendors will adopt AMD's Ryzen 5000 C-series processors for Chromebooks in the coming months, although these are OEM only, and pricing is currently unknown on each of the models.

Source: AMD

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  • nandnandnand - Monday, May 9, 2022 - link

    If 1 big core is comparable in die area to 4 small cores, maybe Alder Lake-N should have been 1+4 instead of 0+8. The improvement in single-threaded performance is likely a bigger deal than having 8 cores.

    I compared the i3-1115G4 to the i3-1210U. Time will tell which CPUs end up in which price segment. But if Jasper Lake is selling for much more than $150 (US), it's a ripoff.
  • mode_13h - Tuesday, May 10, 2022 - link

    Okay, fair point on the 0+8 die vs. 1+4. I guess it could still be a power-efficiency issue, if these low-end chromebooks have correspondingly cheap, tiny batteries. Or, maybe it's just old-fashioned market segmentation.

    Somehow, I doubt all of their 4-core Alder Lake-N's are going to use the 8-core die. Remember that Intel is in competition with Qualcomm, Mediatek, Rockchip, and others - all of which with probably much smaller dies. If true, that would make the 8-core product more of a special-case and not the main focus of the lineup.
  • Shmee - Sunday, May 8, 2022 - link

    High-end Chromebook is an oxymoron. These should not be bought, and neither should current Apple laptops, so long as there are no user changeable parts. I hear the M1 is a decent chip, but so long as one cannot upgrade/repair their own laptop, then what is the point of having one?

    People should only buy laptops with decent firmware and upgrade options.
  • max - Monday, May 9, 2022 - link

    Yeah, people shouldn”t buy smatrphones also, because they can’t upgrade and repair them. Wake up!
  • mode_13h - Monday, May 9, 2022 - link

    > there are no user changeable parts.

    IMO, the only part that really needs to be user-changeable is battery.

    I think the main issue with Chromebooks is software support. You're really at the mercy of the manufacturer for however long they decide to keep issuing updates, and then you're forced either to buy a new one or run increasingly insecure software that won't be able to install new apps and browse some websites, after a time.

    On a few, you can manage to get a custom Linux install working, however this is far from a universal solution.
  • nandnandnand - Monday, May 9, 2022 - link

    They extended support for many models, and now 8 years is typical.

    It's a much better situation than that other Google playground, Android.

    I suspect you'd have an easier time getting Linux working well on a Ryzen-based Chromebook (or any other x86) than say, a model with a Qualcomm Snapdragon SoC. But the fact that they all run Coreboot now is a good start.

    If I can't find a suitable replacement for my $80 Chromebook before mid-2025, guess I'll die. I hope to see 8-12 GB of RAM in the budget tier by then.
  • mode_13h - Tuesday, May 10, 2022 - link

    > I suspect you'd have an easier time getting Linux working well on a Ryzen-based
    > Chromebook (or any other x86)

    Well, I was talking to someone with an Intel Gemini Lake-based chromebook and it wasn't easy to get it booting a mainstream Linux distro. Sounds to me like it's not always feasible, and this was someone quite well-versed in the specifics.

    > $80 Chromebook

    I'd never buy such a low-end model if I actually needed it as a laptop, unless that were absolutely the only thing I could afford. The route I went was to buy a refurb 13" i3 laptop and upgrade the RAM. Worked well for me, and total cost was less than half of new list price. This was pre-pandemic, FWIW.
  • mode_13h - Tuesday, May 10, 2022 - link

    I should add that the slight apprehension I have about buying used or "refurb" is that it's actually stolen. This one was "manufacturer refurb" and seemed to come in official-looking, branded brown-box packaging.

    I would always insist on some kind of official packaging, when buying used or refurb (unless I knew the seller). We should do what we can to avoid supporting the market for stolen laptops.
  • Makste - Thursday, May 19, 2022 - link

  • nandnandnand - Tuesday, May 10, 2022 - link

    It was an excellent purchase at the right time (December 2019) and it's surprisingly snappy. If I stick with MediaTek for my next one I would aim for an 8-core, e.g. MT8192, more RAM, and maybe 13-inch/1080p at a higher price point.

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