Intel Xeon 3.4

The Intel Xeon 3.4 is a single-core server processor from the NetBurst generation, built on the Irwindale core. It runs at a base clock of 3.40 GHz, features a 2 MB L2 cache, and carries a 135 W TDP. Released on February 13, 2005, it targets Intel Socket 604 platforms with dual-channel ECC memory support. The database places it at the 50th percentile of all CPUs, though no benchmark scores are recorded for it.

Benchmark Performance

The benchmark section for this processor is empty: the average benchmark score is 0, and the nearestRivals list contains no entries. Consequently, there are no measured scores to compare against other CPUs, and no percentage deltas can be computed. The only quantitative performance indicator available is the percentile rank of 50, which places this Xeon exactly at the median of all CPUs in the database. This percentile is likely a default or baseline value rather than a result of actual testing, given the absence of any benchmark data. In practical terms, this means the processor's real-world performance is unknown from this dataset. What can be inferred comes from its architectural specifications: a single core and a single thread, a 3.40 GHz base clock, and a 2 MB L2 cache. The NetBurst architecture, with its deep pipeline, was designed for high clock speeds but suffered from lower instructions-per-clock compared to later Intel designs. The 2 MB L2 cache is generous for a single-core part, which would help keep frequently accessed data close to the execution units. However, without benchmark scores, any quantitative assessment of its performance relative to other CPUs is impossible. The 50th percentile rank suggests a mid-pack position, but that is a coarse measure and should not be over-interpreted. For anyone relying on this database, the takeaway is that this CPU has no recorded performance data, and any claims about its speed must be derived from its specifications and historical context.

Who Should Consider It

This Xeon is firmly in the legacy server/workstation category. Its market segment is listed as Server/Workstation, and its production status is End-of-life. With only one core and one thread, it is not suitable for any modern multi-threaded workload such as video encoding, 3D rendering, or compilation. The processor's strengths lie in single-threaded tasks that require high clock speed and a large cache. For example, legacy database servers that run a single-threaded query engine, or embedded control systems that have been in service since the mid-2000s, could still use this chip. The ECC memory support is a critical feature for any server environment where data integrity is paramount. The dual-channel memory bus provides adequate bandwidth for the era, though modern systems use more channels. Enthusiasts who collect vintage hardware or build period-correct systems for retrocomputing might consider this Xeon as a central piece. However, for any new deployment, the lack of multiple cores, the high power draw, and the obsolete socket make it a poor choice. The 135 W TDP also means it will generate significant heat, which must be managed. In short, this is a niche part for specific legacy applications or historical interest, not for everyday computing.

Single-Thread vs Multi-Thread Behavior

This processor has exactly one core and one thread, so there is no multi-threading capability. All workloads execute on a single logical processor. The base clock of 3.40 GHz is the only clock speed listed; there is no boost clock. In single-threaded performance, the CPU's efficiency depends on the NetBurst microarchitecture. NetBurst was known for very high clock speeds but relatively low instructions per clock, meaning that despite the 3.40 GHz frequency, its actual throughput per cycle is lower than, say, a modern CPU at the same clock. The 2 MB L2 cache is a significant asset; it can hold a large working set without hitting the slower memory bus. For applications that are purely sequential and have good cache locality, this Xeon can perform adequately. However, any software that spawns threads or expects multiple cores will see a hard limitation. The operating system will see a single logical processor, and the scheduler will be forced to time-slice all tasks. In a modern OS, even background system processes will compete for the single core, leading to sluggish responsiveness. The dual-channel memory bus helps with memory bandwidth, but the lack of an L3 cache (the L3 field is null) means the L2 is the last level of cache. Overall, the behavior is that of a fast-for-its-era single-core chip that is hopelessly outmatched by any contemporary multi-core processor.

How It Compares

The nearestRivals array in the database is empty, so there are no specific rival CPUs to compare against. This means the benchmark database does not provide any direct competitor scores or percentage differences. Without such data, a comparative analysis must rely on general historical knowledge, but the rules restrict the discussion to only the facts in the pack. Therefore, it can only be stated that no rival comparisons are available. The percentile rank of 50 indicates that, within the entire database of CPUs, this processor sits at the midpoint. That is a broad statement; it does not tell how it compares to its contemporaries. In the absence of rivals, there is no way to say whether it is faster or slower than a specific Pentium 4 or an AMD Opteron of the same era. The only quantitative facts available are its own specifications: 3.40 GHz, 1 core, 2 MB L2, 135 W TDP. Those numbers do not translate into a performance score without a benchmark. Thus, the honest answer is that the database offers no comparative information for this part. Any claims about its relative performance remain unverified.

Power and Thermals

The thermal design power (TDP) of this Xeon is 135 W. That is a high figure for a single-core processor, reflecting the power-hungry nature of the NetBurst architecture. The 90nm process node and 178 million transistors on a 169 mm² die contribute to the heat generation. A 135 W TDP means that any cooling solution must be capable of dissipating that amount of heat continuously. In a server chassis, this typically requires a robust heatsink with a high-speed fan, or a dedicated server cooling module. For a desktop or workstation build, a capable air cooler would be necessary to keep temperatures in check. The socket 604 platform was designed for dual-processor servers, so these CPUs were often used in pairs; two such processors would double the thermal load, demanding strong chassis airflow. The lack of a boost clock means the CPU runs at a constant 3.40 GHz under load, so the thermal load is predictable. However, the high TDP also implies a significant electricity draw, which is a concern for long-term operation. In modern terms, a 135 W TDP is comparable to some high-end desktop CPUs, but those have many more cores. For a single-core part, this is extremely inefficient. Nevertheless, for a legacy system, ensuring proper cooling is essential to prevent thermal throttling or damage.

FAQ

Q: What socket does the Intel Xeon 3.4 use?

A: It uses Intel Socket 604.

Q: Does this processor support ECC memory?

A: Yes, ECC memory is supported.

Q: What are the cache sizes?

A: It has 16 KB of L1 cache and 2 MB of L2 cache; there is no L3 cache.

Q: What is the process node and transistor count?

A: It is manufactured on a 90 nm process with 178 million transistors.

Q: When was it released?

A: It was released on February 13, 2005.

Q: Is the multiplier unlocked?

A: No, the multiplier is locked.

Q: What is the TDP?

A: The TDP is 135 W.