Kunpeng 920-6426
64-core ARM server processor at 2.6GHz with 180W TDP, 8-channel DDR4-2933 support for high-performance data center ap...
Product Overview
Description
The Kunpeng 920 is HiSilicon's flagship server processor, bringing ARM architecture advantages to the data center. With 64 cores and high memory bandwidth, it excels at parallel workloads.
Product Series
Kunpeng
Primary Application
Cloud computing
Key Features
- 64 high-performance ARM cores
- 8-channel DDR4 for massive memory bandwidth
- PCIe 4.0 for high-speed I/O
- Dual-socket scalability
- Advanced security features
- Excellent performance-per-watt
Specifications
| Cores | 64 ARMv8.2 cores |
|---|---|
| Frequency | 2.6GHz base |
| Memory | 8-channel DDR4-2933, up to 4TB |
| Cache | 64MB L3 cache |
| TDP | 180W |
| Process | 7nm |
| PCIe | PCIe 4.0 x 40 lanes |
| Sockets | Dual-socket support |
| Security | Hardware encryption, Secure boot |
| Virtualization | Hardware virtualization support |
Applications
Cloud computing
Electronic system design
Big data analytics
Electronic system design
Container platforms
Electronic system design
Web services
Electronic system design
FAE Expert Insights
"The Kunpeng 920 is a compelling alternative to x86 for cloud and scale-out workloads. In my deployments, the 64-core configuration handles containerized microservices exceptionally well - much better than x86 at similar price points. The memory bandwidth from 8 channels is a standout feature; big data workloads like Spark see significant performance gains. I've successfully migrated several customers from x86 to Kunpeng for their cloud infrastructure with 20-30% cost savings. The key is ensuring your software stack is ARM-compatible - most modern open-source software is, but verify proprietary applications. For new cloud-native deployments, I strongly recommend evaluating Kunpeng."
Excellent core density and memory bandwidth for cloud and big data workloads
— James Liu, BeiLuo
Frequently Asked Questions
What is the performance of Kunpeng 920 for cloud workloads?
Kunpeng 920 delivers excellent performance for cloud-native workloads: Container density - up to 4x more containers than comparable x86 due to higher core count; Microservices - low latency and high throughput for service mesh applications; Kubernetes - efficient orchestration with native ARM support; Serverless - fast cold start times for function-as-a-service. In benchmarks, Kunpeng 920 shows 20-50% better performance-per-watt than x86 for typical cloud workloads. The 8-channel memory is crucial for memory-intensive applications like in-memory databases and caching layers.
Deploy Kunpeng 920 for cloud infrastructure to maximize container density and energy efficiency.
How do I migrate my applications to Kunpeng?
Migrating to Kunpeng involves several steps: 1) Compatibility assessment - identify ARM-native vs. x86-only software; 2) Recompilation - most C/C++ applications compile cleanly for ARM; 3) Java/Python/Go apps - typically run without changes on ARM; 4) Database migration - MySQL, PostgreSQL, MongoDB all have ARM versions; 5) Testing - validate performance and functionality; 6) Deployment - use containers for consistent environments. Huawei provides migration tools including binary analysis, dependency checking, and automated testing. BeiLuo offers migration consulting services to ensure smooth transitions.
Start with a pilot migration of non-critical workloads to validate your software stack on Kunpeng.
What virtualization support does Kunpeng 920 provide?
Kunpeng 920 provides comprehensive virtualization support: Hardware virtualization extensions in the ARMv8.2 architecture; KVM (Kernel-based Virtual Machine) for full virtualization; Docker and container runtimes for OS-level virtualization; Hardware I/O virtualization (SR-IOV) for network and storage; Nested virtualization support for cloud environments. The 64 cores enable high VM density - typically 2-4x more VMs per server than x86 alternatives. Popular virtualization platforms including OpenStack and VMware ESXi-ARM are supported.
Use Kunpeng 920 for virtualized infrastructure to maximize VM density and reduce server sprawl.
What is the memory capacity and bandwidth of Kunpeng 920?
Kunpeng 920 supports impressive memory configurations: Capacity - up to 4TB per socket (8 channels x 512GB); Bandwidth - 192 GB/s theoretical peak (8 channels x DDR4-2933); RDIMM and LRDIMM support for different capacity needs; ECC support for data integrity; Memory interleaving for optimal bandwidth utilization. The high memory bandwidth is particularly beneficial for: In-memory databases (Redis, Memcached); Big data processing (Spark, Hadoop); Large-scale virtualization; High-performance computing. The 8-channel design provides 33% more bandwidth than typical 6-channel x86 processors.
Leverage the high memory bandwidth for data-intensive applications and large in-memory workloads.
Does Kunpeng 920 support dual-socket configurations?
Yes, Kunpeng 920 supports dual-socket configurations for maximum performance: Up to 128 cores and 8TB memory in a 2-socket server; Cache coherency between sockets via high-speed interconnect; NUMA (Non-Uniform Memory Access) architecture for optimal memory access; Balanced performance for scale-up workloads. Dual-socket Kunpeng servers are ideal for: Large database servers; High-density virtualization; Memory-intensive applications; Scale-up enterprise workloads. Single-socket configurations offer cost savings for less demanding applications.
Choose dual-socket for maximum performance and memory capacity; single-socket for cost-optimized deployments.