Kunpeng 920-4826
48-core ARM server processor at 2.6GHz with 150W TDP, cost-optimized for mainstream server deployments
Product Overview
Description
The Kunpeng 920 48-core variant offers an optimal balance of performance, power efficiency, and cost for mainstream server deployments. It retains the key advantages of the Kunpeng architecture while reducing cost for price-sensitive applications.
Product Series
Kunpeng
Primary Application
Web servers
Key Features
- 48 high-performance ARM cores
- 8-channel DDR4 memory
- Lower TDP for efficient cooling
- Cost-optimized for mainstream servers
- Dual-socket scalability
- Same software ecosystem as 64-core
Specifications
| Cores | 48 ARMv8.2 cores |
|---|---|
| Frequency | 2.6GHz base |
| Memory | 8-channel DDR4-2933, up to 4TB |
| Cache | 48MB L3 cache |
| TDP | 150W |
| Process | 7nm |
| PCIe | PCIe 4.0 x 40 lanes |
| Sockets | Dual-socket support |
| Security | Hardware encryption, Secure boot |
| Virtualization | Hardware virtualization support |
Applications
Web servers
Electronic system design
Application servers
Electronic system design
Edge computing
Electronic system design
Development environments
Electronic system design
FAE Expert Insights
"The 48-core Kunpeng 920 hits a sweet spot for many of my customers. It offers about 75% of the 64-core performance at significantly lower cost, making it ideal for mainstream applications that don't need maximum core density. I've deployed these in web server farms, application servers, and development environments with excellent results. The 150W TDP is easy to cool, and the performance-per-dollar is very competitive. For customers new to ARM servers, this is a great entry point - you get all the Kunpeng advantages with lower investment. The software compatibility is identical to the 64-core version, so no concerns there."
Cost-optimized ARM server processor with excellent mainstream performance
— Lisa Chen, BeiLuo
Frequently Asked Questions
What is the performance difference between 48-core and 64-core Kunpeng 920?
The 48-core Kunpeng 920 delivers approximately 75% of the 64-core performance in multi-threaded workloads. Single-thread performance is identical since both run at 2.6GHz. The main differences: Multi-threaded throughput - 48-core achieves ~75% of 64-core; Memory bandwidth - identical 8-channel configuration; Power consumption - 150W vs 180W (-17%); Cost - significantly lower price per processor. For applications that don't fully utilize 64 cores, the 48-core offers better value. Both support the same software ecosystem and server platforms.
Choose 48-core for cost-optimized deployments; choose 64-core for maximum parallel processing requirements.
Is the 48-core Kunpeng suitable for virtualization?
Yes, the 48-core Kunpeng 920 is excellent for virtualization: VM density - supports 50-100 VMs per server depending on workload; Container density - 200+ containers for microservices deployments; Hypervisor support - KVM, Docker, and Kubernetes all run natively; Hardware virtualization - full support for nested virtualization and SR-IOV. The 48 cores provide ample capacity for medium-sized virtualization deployments. For larger environments, consider dual-socket configurations or the 64-core variant. The power efficiency reduces operating costs for virtualized infrastructure.
Deploy 48-core Kunpeng for medium-scale virtualization with excellent cost-efficiency.
What cooling is required for 48-core Kunpeng servers?
The 48-core Kunpeng 920's 150W TDP enables flexible cooling options: Air cooling - standard server heatsinks with 30-40 CFM airflow; Rack cooling - standard data center cooling adequate for most deployments; Liquid cooling - available for high-density deployments but not required; Fanless - not recommended due to 150W heat output. The lower power compared to x86 alternatives (typically 200W+) simplifies cooling design and reduces data center cooling costs. Ensure adequate airflow (front-to-back) in rack deployments.
Standard air cooling is sufficient for most 48-core Kunpeng deployments.
Does the 48-core support the same memory as the 64-core?
Yes, both 48-core and 64-core Kunpeng 920 support identical memory configurations: 8-channel DDR4-2933 for maximum bandwidth; Up to 4TB capacity per socket; RDIMM and LRDIMM support; ECC for data integrity; Same memory controller architecture. The memory performance is identical between variants. This means you can standardize on memory configurations across your Kunpeng server fleet regardless of core count. The 8-channel design provides 33% more bandwidth than typical 6-channel x86 processors, benefiting memory-intensive applications.
Use the same memory configuration strategy for both 48-core and 64-core deployments.
What are typical use cases for 48-core Kunpeng?
The 48-core Kunpeng 920 excels in several use cases: Web servers - high concurrent connection handling with excellent power efficiency; Application servers - Java, Python, and Node.js applications run efficiently; Development environments - cost-effective build and test servers; Edge computing - sufficient performance with lower power for edge locations; Caching layers - Redis, Memcached with high memory bandwidth; Small-scale databases - MySQL, PostgreSQL for moderate workloads. The 48-core is not ideal for: Large-scale databases requiring maximum cores; High-density virtualization (choose 64-core); HPC applications needing maximum parallel throughput.
Deploy 48-core Kunpeng for mainstream server workloads where cost-efficiency is important.