Intel Xeon E3-1505M v5

The Intel Xeon E3-1505M v5 is a 4-core, 8-thread Skylake-H processor designed for the server and workstation mobile segment, built on Intel’s 14 nm process with a 45 W TDP. Its benchmark profile places it at the 42nd percentile among all CPUs, with an average score of 1723, positioning it as a mid-range performer in the current database. The data indicates a processor that was competitive at its launch in late 2015 but now sits in a crowded field, closely matched by several AMD parts in aggregate performance. This analysis examines what its specific workload strengths and platform limitations mean for potential users.

Who Should Consider It

The benchmark results indicate that this Xeon is suited for specific professional workloads rather than general consumer tasks. The multi-core performance is respectable for its class, with Cinebench R23 multicore scoring 5957, which suggests it can handle moderately parallelized tasks like video encoding, 3D rendering, and software compilation without significant bottlenecks. The presence of ECC memory support is a clear signal for workstation users who require data integrity in financial modeling, scientific computing, or server-side applications where a single-bit error is unacceptable. For office productivity, the single-core scores of 841 in Cinebench R23 and 353 in Cinebench R20 indicate adequate performance for spreadsheet manipulation, document processing, and web-based applications, though the data does not position it as a leader in this area.

Gamers should look elsewhere, as the integrated HD Graphics P530 is not designed for high-end gaming, and the processor’s 42nd percentile standing suggests it trails most modern gaming CPUs. The 4-core, 8-thread configuration is sufficient for older titles or esports at lower settings, but the data shows no advantage over rivals in this space. Creative professionals who work in single-threaded applications like legacy Photoshop filters or certain audio plugins will find the performance adequate but not exceptional, with the single-core Cinebench R15 score of 84 being particularly low by current standards. The processor is best considered by users with specific workstation needs—particularly those requiring ECC memory in a mobile form factor—who do not demand top-tier speeds.

Single-Thread vs Multi-Thread Behavior

The split between single-thread and multi-thread scores reveals a processor with a clear bias toward parallel workloads. In Cinebench R23, the multicore score of 5957 is roughly 7 times the single-core score of 841, indicating strong scaling across its 8 threads. This scaling is typical for a 4-core, 8-thread design with Hyper-Threading, and it shows that the processor can effectively utilize all available threads when the workload permits. The base clock of 2.80 GHz and boost clock of 3.70 GHz provide a modest frequency range, but the single-thread results suggest that the architecture does not excel at lightly-threaded tasks that rely purely on clock speed and IPC.

Real-world implications are clear: applications that can leverage multiple cores, such as video rendering, batch photo processing, or virtualization, will see near-linear benefits from this processor’s thread count. Conversely, tasks that are single-thread-bound—like many legacy games, certain database queries, or the initial load phase of many applications—will be limited by the lower single-core throughput. The Cinebench R15 single-core score of 84 is notably weak, suggesting that this Xeon would struggle in any scenario where a single thread is the bottleneck. The data implies a workload split: users should run parallelizable tasks on this processor and offload single-threaded duties to a secondary device if possible, as the performance gap between the two modes is significant.

How It Compares

AMD Ryzen 3 2200G: This is the closest rival, with an identical average score of 1723 and a 0% delta. Benchmark results indicate that the Xeon E3-1505M v5 and the Ryzen 3 2200G are effectively interchangeable in aggregate performance. The Ryzen part has integrated Vega graphics, which the Xeon lacks, but the Xeon counters with ECC support. For non-gaming workstation tasks, the data shows no measurable performance difference.

AMD Athlon Gold PRO 3150GE: The Athlon trails by a mere 0.1%, with an average score of 1722. This is a negligible difference, making the two processors statistically equivalent in overall benchmarks. The Xeon offers more threads (8 vs the Athlon’s likely 4), but the Athlon’s higher clocks or IPC compensate in the aggregate. Users should base a choice on platform features, not performance, as the data shows no meaningful gap.

AMD Ryzen 5 PRO 3500U: Another near-tie, with a 0.1% delta and an average score of 1721. The Ryzen 5 PRO is a mobile part designed for thin-and-light laptops, while the Xeon targets larger workstations. The benchmark data shows they perform similarly in multi-threaded tests, but the Ryzen likely has better single-thread performance given its architecture. The Xeon’s advantage lies in its ECC support and workstation pedigree, not raw speed.

Intel Xeon E3-1231 v3: This older desktop Xeon actually outperforms the E3-1505M v5 by 0.3%, with an average score of 1729. The E3-1231 v3, based on Haswell, benefits from a higher TDP (likely 80 W) and desktop power delivery, allowing it to edge out the mobile chip. This suggests that the E3-1505M v5’s performance is constrained by its 45 W mobile envelope, and users upgrading from the older part would see no performance gain.

FAQ

Q: Does this processor support ECC memory?

A: Yes, the fact pack lists ECC memory support as a feature, making it suitable for error-sensitive workloads.

Q: What is the socket type for this Xeon?

A: It uses Intel BGA 1440, which means it is soldered to the motherboard and not upgradeable.

Q: How many PCIe lanes does it provide?

A: The CPU provides 16 PCIe Gen 3 lanes, which is standard for a workstation chip.

Q: Is the processor overclockable?

A: No, the multiplier is locked, so overclocking is not supported.

Q: What is the memory bandwidth?

A: The dual-channel memory controller delivers a theoretical bandwidth of 34.1 GB/s, supporting both DDR3 and DDR4.

Q: When was this processor released?

A: The release date is October 26, 2015, and the production status is now end-of-life.

Power and Thermals

The processor carries a TDP of 45 W, which classifies it as a low-power mobile part. This TDP is typical for laptops and compact workstations, and it implies that a standard cooling solution—such as a thin heat pipe assembly or a small blower fan—is sufficient for thermal management. The 14 nm process node and 2,300 million transistors on a 122 mm² die size contribute to its efficiency, but the data does not specify actual power draw under load. Users should expect this Xeon to run cooler than a desktop processor with a similar core count, as the 45 W envelope is significantly lower than typical desktop TDPs of 65 W or 95 W. For sustained multi-core loads, the boost clock of 3.70 GHz may be limited by thermal constraints, but the benchmark scores suggest that the processor maintains reasonable performance without exotic cooling.

Platform and Compatibility

The Xeon E3-1505M v5 uses the Intel BGA 1440 socket, which is a soldered connection, meaning the processor cannot be removed or upgraded. This platform is designed for mobile workstations, and the chip supports dual-channel DDR3 and DDR4 memory, with a theoretical bandwidth of 34.1 GB/s. The memory controller supports ECC memory, which is a key differentiator for workstation reliability. For expansion, the CPU provides 16 PCIe Gen 3 lanes, which is sufficient for a single high-end GPU or a couple of NVMe drives, but it limits multi-GPU configurations. The integrated HD Graphics P530 is included, but it is not a performance GPU, so users will need a discrete graphics card for demanding visual workloads. The platform’s upgrade path is nonexistent due to the BGA socket, and the end-of-life production status means users are limited to existing motherboards with this chip soldered on.

Benchmark Performance

The benchmark scores paint a picture of a processor that is a solid but unremarkable performer in the current landscape. In Cinebench R15, the multicore score of 600 and single-core score of 84 show a 7.1x scaling factor, which is strong for a 4-core part. The Cinebench R20 results—2501 multicore and 353 single-core—continue this trend, with a similar 7.1x ratio. The Cinebench R23 scores of 5957 multicore and 841 single-core represent the most recent test, and they align with the older results, confirming consistent behavior across test versions. The average benchmark score of 1723 places the processor at exactly the same level as the AMD Ryzen 3 2200G, with a 0% delta, indicating that these two processors are perfect equals in aggregate performance. The Athlon Gold PRO 3150GE is 0.1% behind, and the Ryzen 5 PRO 3500U is also 0.1% behind, making all three rivals statistically tied. The only rival that beats the Xeon is the older Intel Xeon E3-1231 v3, which is 0.3% ahead with a score of 1729.

This data suggests that the E3-1505M v5’s performance has aged gracefully but not impressively. It holds its own against several AMD parts from similar eras, but it does not exceed them. The 42nd percentile ranking means that over half of all CPUs in the database outperform it, which is expected for a 2015 mobile processor. The benchmark results indicate that the Xeon’s strengths lie in multi-threaded workloads, where its 8 threads provide competitive throughput, but its single-thread performance is a noticeable weakness. Users who prioritize single-thread speed will find better options, while those who need ECC and multi-core capability in a mobile package will find the performance acceptable. The data does not show any scenario where this processor is a clear winner, but it also does not show any scenario where it is a significant loser, making it a dependable but not exciting choice for its intended niche.