Intel Core i3-1005G1

The Intel Core i3-1005G1 is a mobile processor that lands in the lower-middle tier of the performance spectrum, holding a 34th percentile rank among all CPUs in the benchmark database. Its average benchmark score of 1190 places it in a tightly contested cluster, where the difference between it and its nearest rivals is negligible, often less than a single percentage point. This is not a processor that pushes boundaries; instead, it offers a baseline level of capability that is statistically indistinguishable from several older or similarly positioned parts.

Benchmark Performance

The benchmark results for the Core i3-1005G1 reveal a processor that is consistent but not exceptional in multi-threaded workloads. In Cinebench R23, it scores 4116 points in the multi-core test, a figure that reflects its dual-core, four-thread design. This score is more than seven times its single-core result of 581 points in the same test, which highlights the scaling potential of its four threads. However, the absolute numbers remain modest. The average benchmark score of 1190 places it virtually even with its nearest rivals: it trails the AMD Opteron 6234 by a mere 0.1% and the AMD Athlon PRO 300U by 0.3%, while edging out the Intel Core i3-7320 and Intel Core i5-4460T by 0.2% and 0.3%, respectively. These deltas are within the margin of error, meaning the data shows no practical performance difference between these parts in aggregate.

In Cinebench R20, the multi-core score of 1728 and single-core score of 244 follow the same pattern, with the multi-core result being roughly seven times the single-core figure. The Cinebench R15 results are lower in absolute terms, with 414 multi-core and 58 single-core points, but the ratio remains consistent. This consistency across the Cinebench suite indicates that the processor’s performance scaling is predictable and that its thread utilization is efficient for a dual-core part. The 34th percentile ranking confirms that the i3-1005G1 sits below the majority of processors in the database, making it a clear entry-level option for mobile computing.

Single-Thread vs Multi-Thread Behavior

The split between single-thread and multi-thread performance is stark, but not unusual for a dual-core design. In Cinebench R23, the single-core score of 581 is just 14% of the multi-core score of 4116, which suggests that the processor relies heavily on its ability to use all four threads to achieve meaningful throughput. For real workloads, this means that lightly threaded tasks, such as basic office productivity or web browsing, will see performance dictated by the 3.40 GHz boost clock and the Sunny Cove architecture. The base clock of 1200 MHz is low, but the boost capability is what drives single-thread responsiveness.

Conversely, multi-threaded workloads like video encoding or software compilation will utilize all four threads, and the delta between single and multi-core scores indicates that scaling is near-ideal for a two-core part. The Cinebench R15 single-core score of 58 is particularly low in absolute terms, suggesting that even with the boost clock, the processor does not deliver high per-core throughput compared to larger desktop parts. The practical implication is that the i3-1005G1 is suited for bursty, single-threaded tasks and can handle occasional multi-threaded bursts, but sustained heavy multi-threaded work will expose its limitations. The data shows a processor that is balanced for its class, but that class is defined by low power and modest expectations.

Power and Thermals

With a TDP of 15 watts, the Core i3-1005G1 falls squarely into the ultra-low-power mobile segment. This TDP class implies that the processor is designed for thin and light laptops where cooling is limited and battery life is a priority. The 10 nm process node from Intel, combined with a die size of 123 mm², suggests a compact and efficient chip. The integrated UHD Graphics means the processor includes a GPU on the same package, which is typical for this power class. The thermal requirements are modest, meaning a simple cooling solution, such as a small fan or a passive heat pipe, is sufficient to maintain performance. The data does not specify thermal throttling behavior, but the low TDP indicates that sustained loads will be limited by the cooling solution’s ability to dissipate heat, not by the processor’s power draw. In practice, this means users should expect the processor to boost to its 3.40 GHz maximum on single-threaded tasks, but sustained multi-threaded loads may cause the clock to drop to manage temperatures within the 15-watt envelope.

Who Should Consider It

The Core i3-1005G1 is best suited for users whose primary workloads are light and intermittent. For office productivity, such as word processing, spreadsheets, and email, the single-thread performance is adequate, and the low TDP ensures long battery life. The data shows a single-core score of 581 in Cinebench R23, which is sufficient for responsive user interfaces and basic application launches. For gaming, this processor is not a good fit; the integrated UHD Graphics and low multi-core score of 4116 will struggle with modern titles, and the 34th percentile ranking indicates that even older games may require low settings and resolutions. Content creation, such as photo editing or light video rendering, is possible but slow; the multi-threaded scores are roughly seven times the single-thread scores, but the absolute values are low, meaning render times will be longer than on any modern quad-core or higher processor. The processor is ideal for students or business users who need a basic machine for web browsing, streaming, and document editing, and who prioritize portability and battery life over raw performance.

How It Compares

AMD Opteron 6234: The i3-1005G1 is effectively tied with this older server-grade processor, with a deltaPct of -0.1%. The Opteron has a higher average score of 1191, but the difference is negligible. The i3-1005G1 offers a much newer architecture and integrated graphics, making it a better choice for mobile use despite the statistical tie in synthetic benchmarks.

Intel Core i3-7320: The i3-1005G1 outperforms this desktop Kaby Lake part by 0.2%, with an average score of 1190 versus 1187. The i3-7320 is a desktop chip with a higher TDP, so the i3-1005G1 achieves comparable performance at a fraction of the power, making it a more efficient solution for laptops.

Intel Core i5-4460T: This older desktop low-power part is beaten by 0.3% by the i3-1005G1. The i5-4460T has a higher core count, but its older architecture and lower clock speeds result in nearly identical aggregate performance. The i3-1005G1’s newer process node and features make it a more modern choice.

AMD Athlon PRO 300U: The i3-1005G1 trails this AMD mobile part by 0.3%, with the Athlon scoring 1193. The difference is minimal, but the Athlon PRO 300U has a similar dual-core, four-thread design. The data shows no clear winner, and both are entry-level mobile options with comparable capabilities.

FAQ

Q: What is the performance percentile of the Intel Core i3-1005G1?

A: It ranks in the 34th percentile among all CPUs in the database, indicating it performs better than about a third of processors.

Q: How does the multi-core score compare to the single-core score in Cinebench R23?

A: The multi-core score is 4116, which is approximately seven times higher than the single-core score of 581, showing good scaling with four threads.

Q: What is the TDP of this processor?

A: The TDP is 15 watts, classifying it as an ultra-low-power mobile processor suitable for thin laptops.

Q: What memory type does it support?

A: It supports DDR4 memory in a dual-channel configuration, with a memory bandwidth of 51.2 GB/s.

Q: Does the processor have integrated graphics?

A: Yes, it includes UHD Graphics, which is integrated into the processor package.

Q: What is the average benchmark score and how does it compare to the nearest rival?

A: The average benchmark score is 1190, and it is within 0.3% of all four nearest rivals, with the AMD Athlon PRO 300U being the closest at 1193.

Platform and Compatibility

The Intel Core i3-1005G1 uses the Intel BGA 1526 socket, which is a ball-grid array design that is soldered directly to the motherboard, meaning it is not upgradeable without replacing the entire board. It is based on the Ice Lake architecture, specifically the Ice Lake-U codename, and is part of the Core i3 generation with the Sunny Cove-U microarchitecture. The processor is manufactured on Intel’s 10 nm process node and is currently marked as active in production. It supports DDR4 memory in a dual-channel configuration, providing a memory bandwidth of 51.2 GB/s, but does not support ECC memory. For expansion, it offers PCIe Gen 3 connectivity. The integrated UHD Graphics handles display output, eliminating the need for a discrete GPU in basic systems. The memory support and PCIe generation indicate a platform that is standard for its era, with no unusual features. The upgrade path is limited due to the soldered nature of the BGA socket, and the processor is designed for mobile devices where the entire system is replaced rather than individual components. The part number is SRG0SSRGKF, and it was released in 2019, making it a mature product with established driver support.