Wednesday, February 10th 2021

AMD Ryzen 7 Pro 5750G Zen 3 Based Desktop APU Spotted with 4.75 GHz Frequency

by
AleksandarK
 Discuss (56 Comments)
AMD is slowly preparing the launch of its next-generation Ryzen Pro 5000 series of APUs designed for desktop applications. The biggest difference over the previous generation Renoir 4000 series is that this generation is now offering a major improvement in microarchitecture. Using Zen 3 core at its base, the Cezanne processor lineup is supposed to integrate all of the IPC improvements and bring them to the world of APUs. Doubling the level three (L3) cache capacity from 8 MB to 16 MB, Zen 3 cores are paired with a good amount of cache to improve performance.

Thanks to a user from Chiphell forums, we have the first details about AMD Ryzen 7 Pro 5750G APU. The new generation design is bringing a big improvement with clock speeds. Having a base frequency of 3.8 GHz, the Zen 3 based design now goes up to 4.75 GHz, representing a 350 MHz increase over the past generation Ryzen 7 Pro 4750G APU. For more details, we have to wait for the official announcement.
AMD Ryzen 7 Pro 5750G AMD Cezanne
Source: Tom's Hardware

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56 Comments on AMD Ryzen 7 Pro 5750G Zen 3 Based Desktop APU Spotted with 4.75 GHz Frequency

#51
ixi
TumbleGeorgeI want AMD APU with iGPU something with performance like in this next year. Yes without HBM but DDR5 in dual channel maybe will enough for it?
Me too, me too. Someday we shall get it :).
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#52
TumbleGeorge
ixiMe too, me too. Someday we shall get it :).
Will be easy. Vega M GH was maded with old 14nm lithography. On 5nm area and power consumption of an iGPU with similar performance will be completely acceptable.
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#53
Valantar
TumbleGeorgeI want AMD APU with iGPU something with performance like in this next year. Yes without HBM but DDR5 in dual channel maybe will enough for it?
Given that RDNA (1, not 2) delivered ~33% improved performance/TFlop over Vega and current iGPUs clock far higher than chip, that should be perfectly doable. To match a 3.6TF Vega chip, assuming no other bottlenecks, you'd need something like a 12 CU RDNA 1 iGPU at 2.5GHz (that's 3.84 TF, so 2,38GHz would do it). With the additional clock scaling and efficiency advantages of RDNA 2, that should be pretty easy. If clocks scale as well as desktop RDNA 2 they could even do 10 CUs at 2.85GHz for the same results, though that sounds expensive in terms of power draw.
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#54
IceShroom
Chrispy_Every time I see these die layout images, I'm reminded and saddened how little area a single Vega CU takes up, and yet they removed three of them.

The reduction from Raven Ridge/Picasso to Renoir/Cezanne isn't from Vega10 to Vega8, because very few models have all CUs enabled (yields/defects?) Vega10 is 10/11 and the equavalent is Vega7 because the 4800U/5800U will be so exceptionally rare that they're either unavailable or priced outside any reasonable value for most people.

From Vega10 to Vega7 is a big oof. Bandwidth be damned, there's still plenty for a better IGP at the resolutions and framerates APUs target...
Bigger iGPU is waste on Cezanne-U/G/H as most of those APU will be paired with MX 230/250 and GT 1030. That what OEM's want. It is not like AMD cant produce big APU, it just there is no market for it and OEM want ship with Nvidia GPU.
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#55
Valantar
IceShroomBigger iGPU is waste on Cezanne-U/G/H as most of those APU will be paired with MX 230/250 and GT 1030. That what OEM's want. It is not like AMD cant produce big APU, it just there is no market for it and OEM want ship with Nvidia GPU.
That sounds highly unlikely seeing how Vega 7 easily outperforms the MX 230, and Vega 8 often beats the 250, at least the low-power variant that would be the logical pairing for something like this. I don't think I saw a single Renoir+MX GPU laptop, and IMO it's even less likely a year later.
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#56
R0H1T
There's nothing coming in to replace the GT1030-MX450 at least anytime in the immediate future, there's just no wafer supply for such low end parts & the margins are ultra thin. Nvidia's not going there & AMD's probably not even thinking about that market ~ they're well & truly last of their kind.
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