Intel Xeon E5-1660 v4

This is a database analysis of the Intel Xeon E5-1660 v4, based exclusively on the provided benchmark and specification data. The processor is an 8-core, 16-thread Broadwell-EP part for the desktop market, and the data indicates it remains a functional, if aging, option for specific workloads. Its average benchmark score of 3313 places it at the 56th percentile of all CPUs, a mid-pack position that reflects its age but also its enduring multi-threaded capability.

Who Should Consider It

The Intel Xeon E5-1660 v4 is best suited for users whose primary workloads are heavily multi-threaded and can scale across all 16 threads. In Cinebench R23, the processor scores 11457 in the multi-core test, a figure that indicates solid rendering and video encoding throughput for its class. The data suggests this is a chip for productivity, not for high-refresh-rate gaming. In single-threaded tasks, which are often the bottleneck for gaming performance, the R23 single-core score of 1617 is modest, placing it well behind modern mainstream processors. Users building a system primarily for esports titles or fast-paced shooters should look elsewhere, as the older architecture will likely limit frame rates.

For content creation, the picture is more favorable. A user working with 3D rendering, software compilation, or batch image processing will see the benefit of the 8-core/16-thread configuration. The Cinebench R15 multi-core score of 1154 reinforces this, showing strong scaling from the single-core score of 162. The 20 MB of shared L3 cache also aids in workloads that repeatedly access a large working set of data. However, this is not a chip for someone who needs the absolute fastest results; it is for a user on a platform with a specific need for a high-thread-count processor at a moderate performance level. Office productivity, such as word processing or spreadsheet work, will be well within its capabilities, but the data shows it offers no advantage over far cheaper modern processors in these lightly-threaded tasks. The benchmark results indicate a clear split: this Xeon is a capable workhorse for parallel tasks but a weak choice for latency-sensitive, single-threaded applications.

Platform and Compatibility

This processor uses the Intel Socket 2011-3 platform, which is a significant factor in any purchasing decision. The socket is tied to the Broadwell-EP architecture, meaning there is no upgrade path to newer processor generations without also replacing the motherboard. The platform is end-of-life, and the processor itself is marked as end-of-life in production status, so new system builds are not recommended. The platform supports DDR4 memory exclusively, and critically, it features a quad-channel memory bus. This provides a theoretical memory bandwidth of 76.8 GB/s, a figure that is beneficial for memory-intensive server-style workloads but largely wasted in typical desktop use. The memory controller also supports ECC memory, a feature important for system stability in error-sensitive computing environments.

The CPU itself provides 40 PCIe Gen 3 lanes. This is a substantial number of lanes, allowing for multiple discrete graphics cards or high-speed NVMe storage devices to be connected directly to the CPU without going through the chipset. This is a server-derived feature that can be a boon for a workstation with many expansion cards. The lack of integrated graphics is a critical detail; a discrete GPU is mandatory for any display output, even for basic system operation. The launch MSRP is $1113, a price point that reflects its original workstation positioning. The processor's multiplier is locked, meaning overclocking is not supported, and users must rely on the base and boost clocks of 3.20 GHz and 3.80 GHz respectively.

Single-Thread vs Multi-Thread Behavior

The benchmark data reveals a stark contrast between the processor's single-thread and multi-thread performance. The Cinebench R23 single-core score of 1617 is modest, and the multi-core score of 11457 represents a scaling factor of roughly 7.1x. This is strong scaling, indicating that the 8 physical cores and 16 threads are being utilized efficiently in this benchmark. The R15 results tell a similar story: a single-core score of 162 scales to a multi-core score of 1154, a factor of 7.1x. This consistency across different Cinebench versions suggests that the architecture's core-to-core communication and cache hierarchy are well-balanced for parallel workloads.

For real-world applications, this means a user will see a massive performance boost when moving from a single-threaded task to a multi-threaded one. For example, rendering a 3D scene will take a fraction of the time compared to a processor with similar single-core performance but fewer cores. Conversely, the modest single-core performance means that tasks which rely on one or two cores, such as opening a large spreadsheet, launching applications, or running legacy software, will feel no faster than on a much older or cheaper processor. The data shows the E5-1660 v4 is a specialist, not a generalist. Its strength is in sustained, parallel number-crunching, while its weakness is in quick, sequential operations. The 3.80 GHz boost clock is decent, but it cannot compensate for the architectural age in single-threaded IPC (instructions per clock) compared to newer designs.

How It Compares

The average benchmark score of 3313 puts the E5-1660 v4 in a peculiar position. Its nearest rivals are all significantly newer and lower-power mainstream parts, yet they score nearly identically.

vs. Intel Core i5-11400T: This rival has an average score of 3312, a 0% deltaPct from the Xeon. The data indicates they are performance equivalents in this aggregate metric. However, the i5-11400T achieves this with a much newer architecture and far fewer cores. This comparison highlights that the Xeon's value lies strictly in its core count for specific multi-threaded tasks; for most general applications, the newer i5 would likely feel snappier due to superior single-thread performance.

vs. Intel Core i3-12100T: This rival scores 3309, a 0.1% deltaPct, making it statistically identical in the average score. The i3-12100T is a 4-core part, so its ability to match the Xeon's average score is a testament to the massive IPC gains in newer Intel architectures. The Xeon will win in heavily multi-threaded benchmarks, but the i3 will likely win in all single-threaded and lightly-threaded tests, making it a better recommendation for most desktop users.

vs. AMD Ryzen 3 5300G: With a score of 3303 and a 0.3% deltaPct, this AMD part also matches the Xeon's average performance. The Ryzen 3 5300G is a 4-core processor with integrated graphics. This comparison is stark; it shows that a modern low-end CPU with a fraction of the core count and none of the platform complexity can match the aggregate performance of the 2016 Xeon. The Xeon's only advantages are its higher core count for scaling in specific workloads and its support for ECC memory.

vs. AMD Ryzen 5 PRO 2600: This rival also scores 3303, a 0.3% deltaPct. This is a 6-core processor from an older AMD generation. The near-identical average score again underscores that the Xeon's 8-core/16-thread configuration does not yield a significant aggregate advantage over these smaller, newer parts. The Ryzen 5 PRO 2600 likely offers better per-core performance, making it more versatile.

Power and Thermals

The E5-1660 v4 has a thermal design power (TDP) of 140 watts. This is a high figure by modern mainstream standards, indicating that the processor can draw a significant amount of power under load. This TDP class requires a robust cooling solution. A stock Intel cooler will not suffice; the data implies the need for a capable air cooler with a large heatsink and a 120mm or larger fan, or a basic all-in-one liquid cooler, to manage temperatures under sustained multi-threaded loads. The 14 nm process node and the 3,400 million transistors on a 246 mm² die are the physical basis for this power draw.

For a system builder, this TDP has implications for the power supply and case airflow. The 140W envelope is just for the CPU; a discrete GPU will add a substantial amount of heat to the system. The data suggests that a user must plan for adequate case ventilation to prevent thermal throttling during extended rendering or compilation sessions. The end-of-life status and locked multiplier mean there is no headroom for overclocking to improve performance, so the thermal solution is purely about sustaining the stock 3.80 GHz boost clock, not pushing it further. The platform's support for quad-channel DDR4 memory also means that populating all four memory slots will add a modest amount of heat to the system, but the CPU cooler remains the primary thermal challenge.

FAQ

Q: Is the Intel Xeon E5-1660 v4 a good choice for gaming?

A: No. The benchmark data shows a modest Cinebench R23 single-core score of 1617, which is a poor indicator for gaming performance. Most games rely heavily on single-thread performance, and the data suggests this processor would be a bottleneck in such scenarios. Its strengths lie in multi-threaded workloads.

Q: Can I upgrade this processor later without changing my motherboard?

A: No. The processor uses the Intel Socket 2011-3 platform, which is end-of-life. There is no newer processor generation that uses this socket, so any upgrade would require a new motherboard and likely new memory.

Q: Does this CPU support ECC memory?

A: Yes. The fact pack indicates that ECC memory support is a feature of this processor. This is useful for workstations where data integrity is critical, such as in financial modeling or scientific computing.

Q: How does its multi-threaded performance compare to a modern 4-core processor?

A: The data shows it can outperform them in highly parallel tasks. In Cinebench R23, it scores 11457 in the multi-core test. However, in the average benchmark score, it is exactly matched by rivals like the Intel Core i3-12100T, which scores 3309. This means the Xeon's advantage is specific to scaling across all 16 threads, not in overall responsiveness.

Q: What is the memory configuration for this CPU?

A: It supports DDR4 memory in a quad-channel configuration, providing a theoretical memory bandwidth of 76.8 GB/s. This is a server-class feature that benefits memory-intensive applications but offers no advantage for typical desktop tasks.

Q: Does the processor have integrated graphics?

A: No. The integrated graphics field is null in the data. A discrete graphics card is required to display any image on a monitor.