Intel Core Ultra 3 105UL

The Intel Core Ultra 3 105UL is a desktop processor from the Core Ultra Series 1, built on the Meteor Lake-PS architecture and manufactured on a 7 nm process. It pairs 8 cores with 10 threads, runs at a base clock of 1.50 GHz and a boost clock of 4.20 GHz, and operates within a 15W TDP. The chip integrates Arc Xe-LPG graphics with 48 execution units, supports dual-channel DDR5 memory with 89.6 GB/s bandwidth, and uses Intel Socket 1851. Released on April 7, 2024, it carries a launch MSRP of $295.

Single-Thread vs Multi-Thread Behavior

The clock design of the 105UL reveals a strong bias toward single-thread responsiveness. The base frequency of 1.50 GHz is modest, but the boost clock reaches 4.20 GHz — a significant gap that suggests the processor can ramp up quickly for lightly threaded tasks. In contrast, the multi-threaded capability is defined by the 8 cores and 10 threads. The thread count (10) is higher than the core count (8), implying that some cores support simultaneous multithreading, which allows better utilization of execution resources when all threads are active. However, the 15W TDP imposes a strict power envelope. When many cores are active, the boost clocks are likely to drop substantially to stay within the thermal and power limit. The data does not include sustained all-core boost figures, but the large delta between base and boost implies that all-core operation will be closer to the base clock than to the single-core boost. The 10 MB shared L3 cache is a reasonable size for a low-power part, helping to reduce memory latency in both single- and multi-threaded scenarios. The dual-channel DDR5 memory with 89.6 GB/s bandwidth provides adequate throughput for the core count, though the bandwidth is not exceptional. Overall, the behavior suggests a processor that excels at bursty, low-thread-count workloads such as web browsing, office applications, and light coding, while sustained multi-core rendering or compilation will be limited by power.

Who Should Consider It

Given the 15W TDP and integrated Arc Xe-LPG graphics, the 105UL is clearly aimed at compact desktop systems where power efficiency is a priority. The integrated GPU with 48 execution units can handle basic display output and light media tasks, making it suitable for home theater PCs, thin clients, or small form-factor office machines. The processor's 8 cores and 10 threads are sufficient for everyday multitasking, document editing, spreadsheet work, and web-based applications. The high single-thread boost of 4.20 GHz ensures snappy response in user-facing applications that are often single-threaded. For gaming, the integrated GPU is likely to handle esports titles at low settings, but the limited PCIe configuration — only 8 lanes from the CPU — means that adding a discrete GPU is possible but bandwidth-constrained. The processor is not designed for heavy content creation; the low TDP will throttle sustained multi-core workloads like video encoding or 3D rendering. The absence of ECC memory support further indicates a consumer-oriented role. The launch MSRP of $295 places it in the mid-range, but the performance envelope is more akin to a low-power part. Therefore, it is best suited for users who prioritize low noise, low heat, and low power consumption over raw performance, and who do not require extensive multi-threaded processing.

Benchmark Performance

The FACT PACK lists no benchmark scores for the Core Ultra 3 105UL. The average benchmark score is 0, and the percentile rank of 50 is the only relative measure provided. A percentile of 50 means that, if the rank were based on actual measurements, the processor would sit exactly at the median of all CPUs in the database — neither above nor below average. However, because the average score is 0, it is more likely that the percentile is a default value assigned when no data is present. Without measured scores, we cannot state a performance delta against any rival. The only quantitative indicators are the clock speeds and core configuration. The 4.20 GHz boost clock is high for a 15W part, suggesting that single-threaded performance could be competitive with higher-TDP processors in short bursts. The 8-core, 10-thread layout provides moderate multi-threading capability, but the power limit will cap sustained output. The 10 MB L3 cache and 89.6 GB/s memory bandwidth are in line with other low-power desktop chips. In the absence of direct measurements, any performance comparison would be speculative. The data does not support a percentage-based analysis, so we must rely on the architectural characteristics: the processor is likely to deliver strong single-thread performance for its power class, but its multi-thread performance will be constrained by the 15W TDP.

How It Compares

The FACT PACK does not provide any nearest rivals for the Core Ultra 3 105UL. The nearestRivals array is empty, meaning there are no named competitors with scores or delta percentages to reference. Consequently, a direct comparison against other CPUs cannot be made from the available data. This absence of rival data is itself informative: it suggests that the processor may be in a niche segment, or that the database has not yet collected comparative measurements. Without rival scores, we cannot state whether it is faster or slower than any specific processor. The only relative figure is the percentile rank of 50, which, if taken at face value, would place it at the median of all CPUs. But given the zero average benchmark score, this rank is likely a placeholder. Therefore, we must conclude that the 105UL's competitive position is unknown from the given information. Buyers should rely on the core count, clock speeds, and TDP to gauge its expected performance relative to other low-power desktop parts.

FAQ

Q: What socket does the Intel Core Ultra 3 105UL use?

A: It uses Intel Socket 1851.

Q: How much L3 cache does it have?

A: It has 10 MB of shared L3 cache.

Q: What is the TDP of this processor?

A: The TDP is 15 watts.

Q: Does it support ECC memory?

A: No, ECC memory is not supported.

Q: What integrated graphics does it include?

A: It includes Arc Xe-LPG with 48 execution units.

Q: Is the multiplier unlocked for overclocking?

A: No, the multiplier is locked (multiplierUnlocked is false).

Q: What is the memory bandwidth?

A: The memory bandwidth is 89.6 GB/s with dual-channel DDR5 support.

Platform and Compatibility

The Core Ultra 3 105UL is designed for the Intel Socket 1851, which is the platform for Meteor Lake-PS desktop processors. The CPU supports dual-channel DDR5 memory, with a maximum memory bandwidth of 89.6 GB/s. The exact memory speed depends on the motherboard, as noted in the FACT PACK. ECC memory is not supported, so the platform is aimed at consumer and mainstream use rather than server or workstation reliability. The processor provides 8 PCIe Gen 4 lanes from the CPU, which can be used for a discrete GPU or NVMe storage. This is a limited number of lanes — many desktop CPUs offer 16 or more — so expansion is constrained. The integrated Arc Xe-LPG GPU with 48 execution units handles display output, and the chip can operate without a discrete graphics card. The release date is April 7, 2024, and the production status is active. The processor is part of the Core Ultra Series 1, built on a 7nm process (as stated in the FACT PACK). The socket 1851 is a newer platform, so users will need a compatible motherboard with the appropriate chipset. The memory controller supports DDR5 only, not DDR4. The platform is not designed for high-end multi-GPU setups due to the limited PCIe lanes.

Power and Thermals

The 15W TDP classifies this processor as an ultra-low-power part, similar to mobile processors in terms of thermal design. Such a low TDP means that the cooling solution can be very modest — a small air cooler or even a passive heatsink in a well-ventilated case may suffice. The boost clock of 4.20 GHz is only achievable for short single-thread bursts; under sustained all-core load, the power limit will force the clock speed down to stay within 15W. The 7nm process node (as given) helps with efficiency, but the low TDP is the primary constraint. The integrated graphics also share the same power budget, so running the iGPU and CPU simultaneously will further reduce available headroom. For users building a quiet or compact system, the 105UL is an attractive option because it generates very little heat. However, the trade-off is that performance under heavy multi-threaded workloads will be limited. The data does not provide a specific cooler recommendation, but a 15W TDP typically requires only a low-profile cooler. The processor's power behavior is consistent with a design that prioritizes energy efficiency over absolute performance.