- Zhaoxin KH-50000 Architecture suggests lingering shadows of previous AMD tapes
- DDR5 -emary channels extend the capacity to 3TB in server environments
- PCIE 5.0 Support delivers a remarkable jump in data connection
Zhaoxin has introduced Kaisheng KH-50000, its latest server processor, which adopts a chiplet-based design similar to AMD’s EPYC line.
This equality raises questions about whether architecture reflects independent innovation or is strongly based on previous relations between Chinese companies and AMD technology.
What makes this release more exciting is that Zhaoxin has not yet revealed the thermal design power, a failure that leaves industry viewers who question how effective this 96-core part will be.
Architecture and design selection
The KH -50000 uses Zhaoxin’s “Century Avenue” architecture that seems to fall from Centaur Technology’s previous design.
The chip uses a chiplet arrangement consisting of twelve calculation dies grouped around a large I/O matrice, creating a total of 96 cores and 384 MB L3 cache.
Another model cuts the count down to 72 kernels, but raises the basic clock slightly.
Both versions at the same time exclude multithreading, which holds the number of wire equals the core number.
Compared to its predecessor, KH-40000, the KH-50000 offers extended memory support and connection.
It now accommodates 12 channels with DDR5-5200, allowing up to 3TB memory, a number that exceeds 2TB maximum of the older DDR4 platform.
The chip also introduces 128 PCIE 5.0 courses and 16 PCIE 4.0 courses that triple bandwidth options compared to the previous generation.
While SATA and USB ports were trimmed, the change to USB 3.2 Gen 2 modernizes the remaining connections.
The physical footprint measures 72 x 76 mm, which is close to AMD’s Genova and Bergamo processors.
It fits an LGA plug and can scale into 2S and 4S systems and reach up to 384 cores on a single motherboard.
Zhaoxin’s proprietary ZPI 5.0 Interconnect provides communication between chips for the purpose of mirroring the scalability offered by AMD EPYC and Intel Xeon Platforms.
The KH-50000 is not designed for game or desktop work load because it is strictly placed for the server segment.
Here, the benefit is measured in flow and scalability rather than consumer benchmarks.
However, comparison with the best AMD processor and the fastest CPUs is inevitable, although China’s domestic priorities may mean more than compete with Western suppliers.
What remains uncertain is TDP, a critical factor that determines how practical this processor will be for implementations in the real world.
Via Toms Hardware
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