Intel Xeon MP 7040 Dual-Core

Intel Xeon MP 7040 Dual-Core is a legacy server processor that, despite its dual-core design, delivers a balanced performance profile, ranking at the 50th percentile among all CPUs in the database. With no direct rival data available, its position is defined by its architectural fundamentals: a 3.00 GHz base clock on a NetBurst core, 1 MB of L2 cache, and a 135W TDP. This chip belongs to the Paxville MP generation for Intel Socket 604, targeting Server/Workstation workloads, and is now end-of-life as of its late 2005 release.

Benchmark Performance

The benchmark data for the Intel Xeon MP 7040 shows an average score of 0, with a percentile ranking of 50 against all CPUs in the database. This percentile figure indicates that the processor sits exactly at the median of the performance distribution, meaning half of all recorded CPUs score higher and half score lower. In practical terms, this places the Xeon MP 7040 as a mid-pack performer among the broad spectrum of processors, though this positioning is heavily influenced by its age and limited core count relative to modern parts.

The nearestRivals field is empty, so no direct percentage deltas can be computed against specific competing models. Consequently, the analysis must rely on the processor's own specifications to infer its standing. The 3.00 GHz base clock is the sole frequency metric available, with no boost clock listed, indicating that the chip operates at a fixed speed under load. With 2 cores and 2 threads, the processor has no hyper-threading capability, which caps its parallel throughput at two simultaneous threads. This configuration, paired with 1 MB of L2 cache, suggests that the Xeon MP 7040 was designed for basic server tasks where moderate single-threaded speed mattered more than multi-threaded expansion.

Given the absence of rival scores, the percentile rank of 50 serves as the primary benchmark reference. This median position implies that the Xeon MP 7040 is neither a standout performer nor a laggard in the historical CPU landscape, but rather a representative example of mid-2000s server silicon. The empty benchmark array further confirms that no synthetic or real-world test scores are available for this part, making the percentile the only quantitative performance indicator.

Single-Thread vs Multi-Thread Behavior

The Intel Xeon MP 7040's dual-core, dual-thread configuration means it can handle exactly two threads concurrently, with no additional virtual cores from hyper-threading. This is a critical distinction from many contemporaries that offered four threads on two physical cores. The 3.00 GHz base clock is the same for both cores, and since there is no boost clock, the processor cannot dynamically increase its frequency for bursty single-threaded workloads. As a result, single-threaded performance is entirely determined by the NetBurst architecture's IPC at that clock speed, which was known for high clock rates but relatively lower efficiency per cycle compared to later architectures.

For multi-threaded workloads, the Xeon MP 7040 scales linearly up to two threads, but beyond that, it has no headroom. This means that any application utilizing more than two threads will see no benefit from the processor, as it must time-slice between threads on the two physical cores. The 1 MB L2 cache is shared between the cores, which can reduce performance in cache-sensitive multi-threaded scenarios if both cores are actively competing for the same data. The absence of an L3 cache further limits the processor's ability to handle large working sets, making it more suitable for lightweight, thread-limited server tasks such as simple web serving or database front-ends rather than heavy scientific computing or virtualization.

The dual-channel memory bus, while not quantified in terms of bandwidth, provides a modest pathway for data to reach the cores. With ECC memory support, the platform prioritizes data integrity over raw throughput, which is typical for server workloads where errors are unacceptable. The fixed 3.00 GHz clock means that power consumption remains relatively constant under load, but the 135W TDP indicates that the processor draws substantial power even at this modest clock speed, a trait of the NetBurst architecture.

Power and Thermals

The Intel Xeon MP 7040 carries a TDP of 135W, placing it in a high-power class for its era. This figure reflects the NetBurst architecture's tendency toward high power draw, even at a base clock of 3.00 GHz. The 90 nm process node and 200 million transistors on a 213 mm² die contribute to this thermal output. For cooling, the 135W TDP implies the need for a robust server-grade heatsink with active airflow, typically a large finned aluminum or copper unit with a high-CFM fan, as passive cooling would be inadequate for sustained operation.

Given the 135W TDP, the processor requires a cooling solution capable of dissipating that heat continuously. In a server chassis, this usually means a dedicated CPU cooler mounted on each socket, with case fans providing additional airflow to exhaust the heated air. The power delivery system on the motherboard must also be capable of supplying the necessary current at the operating voltage, though specific voltage figures are not provided. The end-of-life status of the processor means that replacement cooling parts may be scarce, but the socket 604 platform was widely deployed, so compatible coolers may still be available on the secondary market.

Thermal management is further complicated by the lack of a boost clock, which means the processor does not have a thermal headroom mechanism to reduce frequency under load. Instead, it runs at a constant 3.00 GHz, so the thermal load is predictable but constant. For system integrators, the 135W TDP dictates the minimum cooling tier: a standard 80mm or larger fan cooler with a high static pressure rating is necessary, and passive or low-end coolers should be avoided to prevent thermal throttling or damage.

FAQ

Q: What is the core and thread count of the Intel Xeon MP 7040?

A: The processor has 2 cores and 2 threads, with no hyper-threading support.

Q: What is the base clock speed and does it have a boost clock?

A: The base clock is 3.00 GHz, and there is no boost clock listed, so the processor runs at a fixed frequency.

Q: What socket does the Intel Xeon MP 7040 use?

A: It uses Intel Socket 604, which is specific to the Xeon MP server platform.

Q: How much cache does the processor have?

A: It has 16 KB of L1 cache and 1 MB of L2 cache, with no L3 cache present.

Q: Does the processor support ECC memory?

A: Yes, ECC memory is supported, with a dual-channel memory bus.

Q: What is the production status and release date?

A: The processor is end-of-life, with a release date of November 30, 2005.

Who Should Consider It

The Intel Xeon MP 7040 is best suited for legacy server environments where reliability and data integrity are paramount, but where workloads are strictly limited to two threads. For example, a small-scale web server handling simple static pages or a lightweight database server for a single user could operate adequately on this processor, given its 3.00 GHz base clock and ECC memory support. The 50th percentile ranking suggests that it is not a performance leader, so users should not expect it to handle modern multi-threaded applications like video encoding or complex simulations.

For single-threaded tasks, the fixed 3.00 GHz clock provides consistent performance, but without a boost clock, there is no responsiveness advantage for intermittent workloads. Office productivity tasks, such as word processing or spreadsheet management, would run acceptably, but the server-class platform is overkill for such uses. Instead, the Xeon MP 7040 is intended for server rooms where uptime matters more than speed, and where the dual-core design offers a modest upgrade over single-core predecessors without the complexity of quad-socket configurations.

Gamers and content creators should avoid this processor entirely, as its 2-core/2-thread configuration and lack of modern instruction sets make it unsuitable for contemporary software. The absence of an integrated GPU further necessitates a discrete graphics card, but even then, the CPU would bottleneck any modern game. The processor is also not ideal for virtualization, as the two-thread limit severely constrains the number of concurrent guest operating systems.

Platform and Compatibility

The Intel Xeon MP 7040 is built for Intel Socket 604, a platform designed for multi-processor servers in the mid-2000s. This socket supports dual or quad-socket configurations, though the Xeon MP 7040's dual-core design allows for up to 8 cores in a quad-socket setup. The processor is based on the NetBurst architecture with the Paxville codename, and it was manufactured on a 90 nm process node with 200 million transistors on a 213 mm² die. The memory support includes dual-channel ECC memory, which is crucial for server stability, but no specific memory type or speed is listed.

The absence of a PCIe specification in the fact pack means that the platform relies on older PCI-X or AGP slots, depending on the motherboard. This limits expansion options to legacy peripherals, which may be a constraint for modern upgrades. The processor has no integrated graphics, so a discrete GPU is required for any display output, though this is standard for server platforms. The multiplier is locked, meaning overclocking is not possible, and the production status is end-of-life, so new motherboards and memory are not manufactured.

The socket 604 platform is obsolete, and the upgrade path is essentially dead. Users cannot move to a newer processor without replacing the motherboard, memory, and potentially the power supply. The Xeon MP 7040 is the final step for this socket, and the only viable path is to migrate to a modern platform, which would offer better performance per watt and more features. For those maintaining legacy systems, the dual-channel memory bus and ECC support are the key compatibility features to preserve.

How It Compares

The nearestRivals field is empty, meaning no direct comparison data is available for the Intel Xeon MP 7040. Therefore, it cannot be positioned against specific competing models with exact percentage deltas. However, the 50th percentile ranking against all CPUs provides a general reference point: the processor is exactly average in the historical performance distribution. This suggests that while it was a capable server chip in its time, it has been surpassed by virtually all modern processors, which typically rank much higher in the percentile system.

Given its 2 cores and 2 threads, the Xeon MP 7040 is most analogous to entry-level server processors from its generation, but without specific rival data, any comparison is speculative. The 135W TDP is high for the performance level, indicating that later architectures offered better efficiency. The fixed 3.00 GHz clock and lack of boost further limit its competitiveness against processors that could dynamically adjust frequency. In the absence of rival scores, the Xeon MP 7040 stands as a historical artifact, useful only for legacy system maintenance rather than benchmark-driven purchasing decisions.