The Cezanne SoC APU has thoroughly strengthened the processor section in a year, which the mobile segment can be very happy about.
AMD tried to keep it a secret, but it leaked prematurely that the Cezanne SoC APU, the successor to the Renoir SoC APU unveiled a year ago, will be unveiled at this year’s CES 2021. As there was no advancement in manufacturing technology, so options were limited, Renoir already has eight Zen 2 processor cores, which is very steel at the ultramobile level, but AMD has decided that once the desktop market has received the Zen 3, notebooks should not be left out either.
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The Cezanne SoC APU has inherited many things from its predecessor, so the memory controller, for example, does not change. However, the processor part has been very kneaded. Not only are there simply eight Zen 3 cores available, each with 512 kB of L2 cache, but the shared L3 cache capacity has also been increased from 8 to 16 MB. The latter change is intended to better serve Zen 3.
Hirdetés
With this, AMD is making significant progress in terms of performance, but the company has also reworked energy efficiency, and in addition to incorporating the Zen 3, this was Cezanne’s main development direction. According to the company, the new ultramobile Ryzen 7 5800U development, which is typical of the target market with 53 Wh batteries, can provide 17.5 hours of operation with working Wi-Fi, which was measured with MobileMark 2018, but this value during video playback 21 you can also crawl up for an hour. The long runtime partly reflects the threat posed by ARM Windows devices, which is an important aspect for AMD, as it is not enough to focus only on Intel, new players must also be taken into account.
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For specific products, the company offers two Zen 3 ultramobile APUs, the parameters of which are detailed in the table below:
| Type | Clock / Turbo clock | SMT | L2 cache | L3 cache | Consumption (TDP) |
|---|---|---|---|---|---|
| 7 5800U (8 mag) | 1,9/4,4 GHz | from | 8 x 512 kB | 16 MB | 15 W |
| 5 5600U (6 mag) | 2,3/4,2 GHz | from | 6 x 512 kB | 16 MB | 15 W |
For a pair of ultramobile chips, AMD is still using a new stepping variant of the previous generation Renoir chip that uses the code name Lucienne. Their parameters are shown in the table below:
| Type | Clock / Turbo clock | SMT | L2 cache | L3 cache | Consumption (TDP) |
|---|---|---|---|---|---|
| 7 5700U (8 mag) | 1,8/4,3 GHz | from | 8 x 512 kB | 8 MB | 15 W |
| 5 5500U (6 mag) | 2,1/4 GHz | from | 6 x 512 kB | 8 MB | 15 W |
| 3 5300U (4 mag) | 2,6/3,8 GHz | from | 4 x 512 kB | 4 MB | 15 W |
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Standard mobile versions are also available that build only on the Cezanne chip, the parameters of which can be found in the table below.
| Type | Clock / Turbo clock | SMT | L2 cache | L3 cache | Consumption (TDP) |
|---|---|---|---|---|---|
| 9 5980HX (8 mag) | 3,3/4,8 GHz | from | 8 x 512 kB | 16 MB | 45+ W |
| 9 5980HS (8 mag) | 3/4,8 GHz | from | 8 x 512 kB | 16 MB | 35 W |
| 9 5900HX (8 mag) | 3,3/4,6 GHz | from | 8 x 512 kB | 16 MB | 45+ W |
| 9 5900HS (8 mag) | 3/4,6 GHz | from | 8 x 512 kB | 16 MB | 35 W |
| 7 5800H (8 mag) | 3,2/4,4 GHz | from | 8 x 512 kB | 16 MB | 45 W |
| 7 5800HS (8 mag) | 2,8/4,4 GHz | from | 8 x 512 kB | 16 MB | 35 W |
| 5600H (6 mag) | 3,3/4,2 GHz | from | 6 x 512 kB | 16 MB | 45 W |
| 5600HS (6 mag) | 3/4,2 GHz | from | 6 x 512 kB | 16 MB | 35 W |
The standard mobile series has a new marking, HX. This practically means tunability. If the notebook manufacturer chooses these models, the TDP power consumption can be raised above 45 watts. There’s no maximum limit on paper, but obviously it’s a mobile machine, so it’s not necessarily worth going above 65 watts. Under these conditions, the new Ryzen can practically approach the performance of desktop eight-core designs, even under multi-threaded loads. Even on a single thread, the 35-watt HS versions are extremely strong, with AMD measuring the Ryzen 9 5980HS to go above 600 points in the Cinebench R20 test.
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The mobile Ryzen 5000 series is already being shipped by AMD to manufacturing partners, and notebooks based on it will be unveiled in the coming weeks. The Ryzen 5000 PRO mobile solutions are also coming, their parameters are likely to be the same as the models in the table above, and they will be officially announced later. AMD has not talked about IGP in general, so there is no data yet.
In addition to mobile platforms, the company announced that new desktop and mobile VGAs will be available in the first half of the year, apparently based on the RDNA 2 architecture, but the company did not provide more detailed information about them. In contrast, for the third-generation EPYC platform, the 32-core version was shown and compared in a simulation used for a small weather forecast with the top model in Intel’s latest updated Cascade Lake product line, specifically the Xeon Gold 6258R. In both cases, a two-way deployment was used, and the essentially mid-range model of AMD Milan’s platform was 68% faster than Intel’s solution. And there’s even a spare here, because there will also be a 64-core version of the third-generation EPYC series, which could already result in several measurable differences.
The new EPYC processors will be available in the first half of this year.
Source: Hírek és cikkek – PROHARDVER! by prohardver.hu.
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