Intel Core Ultra 7 155UL

The Intel Core Ultra 7 155UL is a 12-core, 14-thread desktop processor from the Core Ultra Series 1, built on the Meteor Lake architecture and fabricated on Intel's 7 nm process. It operates with a base clock of 1700 MHz and a boost clock of 4800 MHz, and carries a thermal design power of 15 watts. The dataset provides no benchmark scores, but its specifications and its 50th percentile standing among all CPUs offer a basis for analysis. The launch MSRP is $426.

Benchmark Performance

The benchmark data for the Core Ultra 7 155UL is notably sparse. The dataset lists an average benchmark score of 0, which likely indicates that no standardized benchmark results have been recorded for this processor. However, the percentileVsAllCpus field places it at the 50th percentile, meaning that, if the score were meaningful, it would sit exactly at the median of all CPUs tracked by the database. This is a useful anchor: the 155UL is not a top-tier performer, nor is it a low-end part—it occupies a middle ground. Without explicit scores, we must infer performance from its architectural parameters.

The core configuration of 12 cores and 14 threads suggests a hybrid design, typical of Meteor Lake, where some cores support simultaneous multithreading while others do not. This yields a thread count only slightly above the core count, indicating that the majority of cores are efficiency-oriented. The base clock of 1700 MHz is low, but the boost clock of 4800 MHz is remarkably high for a 15-watt part. This wide frequency range implies that single-threaded workloads can trigger aggressive turbo boosts, while sustained multi-threaded loads will likely settle at lower frequencies due to thermal and power constraints. In the absence of measured scores, the 50th percentile ranking suggests that the 155UL's overall performance is comparable to the median of all desktop and mobile CPUs, which is plausible given its modest core count and low TDP.

The cache hierarchy is generous: each core has 112 KB of L1 and 2 MB of L2, while the shared L3 cache totals 12 MB. Large per-core L2 caches can reduce latency for frequently accessed data, benefiting single-threaded responsiveness. The 12 MB L3 is moderate but adequate for a 12-core design. Memory support is limited to DDR5, with a dual-channel interface and a peak bandwidth of 89.6 GB/s. This bandwidth is sufficient for most office and content-creation tasks, though it is not exceptional for a desktop platform. The integrated graphics, an Arc Xe-LPG with 64 execution units, adds a capable iGPU that can handle light gaming and hardware-accelerated video encoding, but it is not a substitute for a discrete GPU in demanding workloads.

Who Should Consider It

Given the 15-watt TDP and the presence of a robust integrated GPU, the Core Ultra 7 155UL is best suited for power-conscious desktop systems where low heat output and energy efficiency are priorities. It is not a high-performance enthusiast chip; instead, it fits into compact form-factor PCs, all-in-one systems, or small-form-factor builds that require adequate CPU performance without a large cooler or a separate graphics card.

For office and productivity workloads, the 12 cores and 14 threads provide ample parallelism for spreadsheet, document, and web-browsing tasks. The high boost clock of 4800 MHz ensures snappy single-threaded performance for applications that are not well-parallelized, such as many legacy business programs. The large L2 cache further helps with latency-sensitive operations. The 50th percentile ranking suggests that this CPU will handle typical office suites without issue, though it will not excel in heavily threaded number-crunching.

Content creation is a mixed bag. The 12 cores can accelerate video rendering, photo editing, and 3D modeling, but the low base clock and 15-watt power envelope mean that sustained multi-threaded workloads will likely throttle to lower frequencies, reducing throughput compared to higher-TDP desktop parts. The Arc Xe-LPG iGPU supports hardware encoding and decoding of modern video codecs, which can offload some tasks from the CPU. For casual gaming, the 64 EU iGPU can run older or less demanding titles at 1080p with reduced settings, but it is not designed for high-refresh-rate or VR gaming. Users who plan to pair this CPU with a discrete GPU will find the PCIe Gen 4 x8 interface (CPU-only lanes) adequate for mid-range graphics cards, though high-end GPUs may be slightly bandwidth-limited.

Power and Thermals

The thermal design power of 15 watts is exceptionally low for a desktop processor, placing it in the same power class as ultra-low-voltage mobile chips. This has profound implications for cooling. A passive heatsink or a small, low-speed fan is sufficient to keep the 155UL within operating temperatures under most conditions. The base clock of 1700 MHz is set to a level that can be sustained within the 15-watt envelope, while the boost clock of 4800 MHz is likely a short-duration turbo that can only be maintained for brief periods before power limits are hit. In practice, the CPU will oscillate between low and high frequencies depending on the workload, with single-threaded tasks able to reach the maximum boost more often than all-core loads.

The 7 nm process node from Intel contributes to the efficiency, reducing leakage and improving power density. The low TDP also means that the processor can be used in fanless designs, provided the chassis has adequate airflow or a large heat sink. For system builders, this simplifies thermal management: no bulky tower coolers or liquid cooling are required. The trade-off is that sustained multi-threaded performance will be limited by the power ceiling; the 155UL is not a chip for continuous heavy rendering or distributed computing. The memory bandwidth of 89.6 GB/s, while not stellar, is sufficient for the CPU's power class, and the dual-channel DDR5 support ensures that memory speed is not a bottleneck for typical applications.

How It Compares

The dataset for the Core Ultra 7 155UL includes no nearestRivals entries, so a direct comparison to specific competing processors is not possible from the available information. However, the percentileVsAllCpus value of 50 provides a coarse positioning: the 155UL sits at the median of the entire CPU landscape tracked by the database. This suggests that it performs in the middle of the pack—neither a standout nor a laggard. Without rival names or deltaPct values, we cannot quantify its lead or deficit against any particular product.

What we can infer is that the 155UL's combination of 12 cores, 14 threads, a 4.8 GHz boost, and a 15-watt TDP is unusual for a desktop part. Most desktop CPUs in this core count range have TDPs of 65 watts or higher, and they typically offer higher base clocks. The 155UL sacrifices sustained all-core frequency for power efficiency, making it more comparable to low-power embedded or mobile-derived chips. Its integrated Arc graphics are a differentiator, as many desktop CPUs in this segment rely on basic UHD graphics. The 50th percentile ranking likely reflects a balance between multi-thread throughput (decent due to 12 cores) and single-thread speed (boost clock helps), but the low TDP caps performance in long-duration workloads. In a head-to-head with a conventional 65-watt 12-core desktop CPU, the 155UL would likely fall behind in multi-threaded benchmarks, but it would consume far less power and generate less heat.

Single-Thread vs Multi-Thread Behavior

The split between single-thread and multi-thread performance is defined by the core architecture and clock behavior. With a base clock of 1700 MHz and a boost clock of 4800 MHz, the 155UL exhibits a 2.82x frequency range—an unusually large span. This indicates that the CPU can dramatically increase its clock speed on a single core (or a few cores) when the workload is light, while dropping to a much lower frequency when all cores are active to stay within the 15-watt power budget. Consequently, single-threaded applications such as web browsing, office document editing, and legacy software will see near-maximum performance, often hitting the 4800 MHz boost. The large per-core L2 cache (2 MB per core) further reduces memory latency, making single-threaded code that relies on data locality run efficiently.

In contrast, multi-threaded workloads that engage all 12 cores will likely force the CPU to operate near its base clock, because the power limit prevents all cores from boosting simultaneously. This means that tasks like video encoding, 3D rendering, and scientific simulations will see performance that is more in line with a 1.7 GHz 12-core processor, which is not competitive with desktop chips that can maintain 4 GHz on all cores. The thread count of 14 (only 2 extra threads over cores) suggests that most cores are efficiency cores without hyper-threading; only a few performance cores likely support SMT. This asymmetry further tilts the balance: the efficiency cores handle background and parallel tasks at lower clocks, while the performance cores deliver the high-frequency single-thread bursts.

For real-world usage, this behavior means the 155UL excels in interactive, latency-sensitive tasks where the CPU is idle most of the time and can burst to high clocks when needed. It is less suited for prolonged compute-heavy processes that require sustained multi-thread throughput. The 12 MB shared L3 cache helps mitigate the lower clocks by keeping frequently accessed data close to the cores, and the 89.6 GB/s memory bandwidth is sufficient for most applications. Overall, the 155UL is a processor designed for responsiveness and efficiency, not for raw multi-threaded muscle. Its 50th percentile standing reflects this balanced but unremarkable profile, making it a sensible choice for users who value low power consumption and adequate everyday performance over maximum throughput.