Intel Xeon E5345
Intel processor specifications and benchmark scores
Intel Xeon E5345 Specifications
Xeon E5345 Core Configuration
Processing cores and threading
The Intel Xeon E5345 features 4 physical cores and 4 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.
E5345 Clock Speeds
Base and boost frequencies
Clock speed is a critical factor in Xeon E5345 benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Xeon E5345 by Intel can dynamically adjust its frequency based on workload and thermal headroom.
Intel's Xeon E5345 Cache Hierarchy
L1, L2, L3 cache sizes
Cache memory is ultra-fast storage built directly into the E5345 processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Xeon E5345's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.
Core 2 Architecture & Process
Manufacturing and design details
The Intel Xeon E5345 is built on Intel's 65 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in E5345 incorporate advanced branch prediction and out-of-order execution for optimal performance.
Core 2 Instruction Set Features
Supported CPU instructions and extensions
The Xeon E5345 by Intel supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.
E5345 Power & Thermal
TDP and power specifications
The Intel Xeon E5345 has a TDP (Thermal Design Power) of 80W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.
Intel Socket 771 Platform & Socket
Compatibility information
The Xeon E5345 uses the Intel Socket 771 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.
Intel Socket 771 Memory Support
RAM compatibility and speeds
Memory support specifications for the E5345 define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Xeon E5345 determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.
Xeon E5345 Product Information
Release and pricing details
The Intel Xeon E5345 is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Xeon E5345 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.
Xeon E5345 Benchmark Scores
cinebench_cinebench_r15_multicoreSource
Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Xeon E5345 performs in parallel rendering workloads like video production and 3D animation. The R15 version remains useful for comparing against older hardware benchmarks. Higher scores directly correlate with faster render times in Cinema 4D and similar 3D applications.
cinebench_cinebench_r20_multicoreSource
Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on Intel Xeon E5345. The more demanding workload provides better differentiation between current-generation processors.
cinebench_cinebench_r20_singlecoreSource
Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of Intel Xeon E5345. The increased complexity provides more accurate performance differentiation between modern CPUs.
cinebench_cinebench_r23_multicoreSource
Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of Intel Xeon E5345 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss.
cinebench_cinebench_r23_singlecoreSource
Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Xeon E5345 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance.
About Intel Xeon E5345
The Intel E5345 processor rolls out four physical cores without hyper‑threading, giving it a straightforward 4‑thread configuration. That core count was a sweet spot for server‑grade workloads back in the mid‑2000s, letting each core tackle its own task without the overhead of virtual threads. Because there are no extra logical threads, the CPU avoids the typical latency penalties you see on modern hyper‑threaded designs. For millennials who love raw, unshared compute power, this layout translates to more predictable scaling when you throw a multithreaded render job at it. The quad‑core setup pairs nicely with ECC‑enabled memory, ensuring data integrity for mission‑critical applications. In practice, the E5345’s core‑to‑thread ratio shines in environments like small‑to‑medium database clusters or legacy virtualization stacks.
The E5345’s base clock of 2.33 GHz may look modest, but its 65 nm architecture still manages to push respectable numbers in Cinebench, landing around 224 points in single‑core tests. When you engage all four cores, the chip climbs to roughly 1,587 points in the R23 multicore suite, showing that the frequency scaling remains linear across its cores. Its 80 W TDP keeps power draw in check, meaning you don’t need an industrial‑grade PSU to run a rack of these units. Thermal design is straightforward: the processor uses a standard Intel heat sink and fan solution that fits the Socket 771 form factor without any exotic cooling tricks. For a millennial audience used to GPU‑heavy rigs, this modest power envelope feels like a nostalgic nod to the days when a single CPU could dominate a workstation. The modest clock speed combined with the efficient thermal profile makes the E5345 a reliable workhorse for continuous‑load scenarios like scientific simulations.
The cache hierarchy on this Xeon consists of a 256 KB L2 cache per core, which was considered generous at launch and still helps reduce memory latency for data‑intensive tasks. With a total of 1 MB L2 cache across the four cores, the processor can keep frequently accessed datasets close to the execution units, boosting performance in workloads such as video encoding and CAD rendering. The lack of an L3 cache is offset by the efficiency of the L2 design and the relatively low memory bandwidth demands of the target applications. Ideal workloads for the chip include multi‑threaded rendering, small‑scale virtualization, and legacy enterprise applications that benefit from stable, deterministic core performance. Because the architecture is built on the Clovertown family, it also handles floating‑point heavy calculations with a decent amount of grace, making it a solid choice for scientific workloads that don’t require the latest instruction sets. In short, the Intel E5345 processor remains a respectable option for niche environments where power efficiency, predictable scaling, and legacy software compatibility outweigh raw clock speed.
The AMD Equivalent of Xeon E5345
Looking for a similar processor from AMD? The AMD Ryzen 5 1400 offers comparable performance and features in the AMD lineup.
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