
Intel BX80621E52603 Xeon E5-2603 Processor
Efficient Performance for Entry-Level ServersThe Intel Xeon E5-2603 processor offers a balance of performance and efficiency for entry-level server applications. With four cores and a low thermal design power, this processor provides a reliable foundation for your server infrastructure. Brand...
*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Efficient Performance for Entry-Level Servers
The Intel Xeon E5-2603 processor offers a balance of performance and efficiency for entry-level server applications. With four cores and a low thermal design power, this processor provides a reliable foundation for your server infrastructure.
- Brand: Intel
- Model: BX80621E52603
- Cores: 4
- Frequency: 1.8 GHz
- Cache: 10MB L3 Cache
- TDP: 80W
- Memory Support: DDR3 up to 1066MHz
- Socket: LGA 2011
Key Features
1.8GHz
10MB L3 Cache
80W TDP
DDR3 up to 1066MHz
Specifications
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Pros & Cons
👍 Pros
- Designed with an 80W TDP, indicating efficient power consumption for continuous operation in servers.
- Features a 10MB L3 Cache, which helps in faster data access and improved processing efficiency for demanding tasks.
- Supports DDR3 memory up to 1066MHz, providing compatibility with established server memory architectures.
- As a Xeon processor, it is built for reliability and stability, crucial for mission-critical applications.
- Offers a consistent 1.8GHz clock speed, suitable for various general-purpose server workloads.
👎 Cons
- The 1.8GHz clock speed might be a limiting factor for single-threaded applications or high-frequency trading tasks.
- DDR3 memory support indicates an older platform, potentially limiting compatibility with newer, faster DDR4 or DDR5 RAM.
- The 80W TDP, while efficient for its class, might be higher than some more modern, lower-power server CPUs.
- The processor lacks specific core count information, which is a key metric for understanding multi-threaded performance.
- This model is from an older generation, which may impact its upgrade path and long-term viability compared to newer Xeon lines.