Intel Core i3-7350K

The Intel Core i3-7350K is a desktop processor built on the Kaby Lake architecture, manufactured on Intel's 14 nm process node. This unlocked dual-core part with four threads is positioned for Socket 1151 platforms, where it delivers a fixed base clock of 4.20 GHz with no boost clock variability. The chip integrates an Intel HD 630 graphics solution, making it a self-contained option for basic display output without a discrete GPU.

Platform and Compatibility

The i3-7350K utilizes the Intel Socket 1151 interface, which places it within a broad ecosystem of motherboards from the 100-series and 200-series chipset generations. Memory support is limited to DDR4 modules operating in a dual-channel configuration, with a theoretical memory bandwidth of 38.4 GB/s. The integrated memory controller does not support ECC memory, which directs this processor toward consumer desktop builds rather than error-correcting workstation environments. For expansion, the CPU provides 16 PCIe Gen 3 lanes exclusively from the processor, which is sufficient for a single high-bandwidth graphics card or a pair of devices running at reduced lane widths.

The Kaby Lake architecture represents a mature refinement of Intel's 14 nm process, and the platform's upgrade path is defined by the Socket 1151 generation. Users building on this socket can step up to higher-core-count Kaby Lake parts or, depending on motherboard BIOS support, move to older Sky Lake processors from the same socket family. The unlocked multiplier on this specific i3 model is notable, as it breaks from the traditional locked i3 lineup, offering overclocking headroom on compatible Z-series motherboards. The production status remains active, indicating ongoing availability, and the part number SR35B identifies the specific silicon revision.

Who Should Consider It

Benchmark data positions this processor as a niche solution for specific workload types rather than a general-purpose powerhouse. The Geekbench single-core score of 1488 and Cinebench R23 single-core result of 586 points indicate strong per-thread performance, which translates well into lightly-threaded applications such as older games, emulation workloads, and everyday office productivity tasks that rely on single-thread responsiveness. For these use cases, the 4.20 GHz base clock provides snappy interaction without the need for turbo boost logic.

However, the dual-core, four-thread configuration creates a hard ceiling for modern multi-threaded scenarios. The Cinebench R23 multi-core score of 4151 and Geekbench multi-core score of 3018 reflect the physical core limitation, and the processor sits at the 39th percentile among all CPUs in the database, meaning roughly three-fifths of tracked processors outperform it on aggregate. Content creators running video encoding, 3D rendering, or large compilation tasks will find the core count restrictive, as these workloads scale aggressively with additional physical cores. The i3-7350K is better suited for a secondary gaming rig, a legacy productivity build, or an overclocking experiment where the unlocked multiplier can be pushed on a capable air cooler, rather than for professional content creation or heavy multitasking environments.

Power and Thermals

The thermal design point for this processor is 60 watts, which classifies it within the mainstream desktop power envelope. This TDP rating implies that a modest cooling solution is sufficient for stock operation, and the low heat output relative to higher-core-count parts makes it forgiving in compact chassis. The 14 nm Kaby Lake process contributes to this efficiency, as the architecture was designed to balance clock speed with power consumption.

For overclocking scenarios, the 60-watt baseline provides thermal headroom, but the unlocked multiplier invites users to push beyond the stock power draw. In such cases, a capable air cooler or a basic liquid cooling solution would be appropriate to manage the increased thermal load. The absence of a boost clock means the processor runs at a constant 4.20 GHz under load, which simplifies thermal behavior — there are no transient clock spikes to account for, only sustained frequency under full utilization. The integrated HD 630 graphics also generate heat within the same package, though the low-power iGPU contributes minimally to overall thermal output during CPU-bound tasks.

How It Compares

The nearest rival in the database is the Intel Xeon E3-1225 v5, which posts an average benchmark score of 1461 against the i3-7350K's 1464. The delta is a marginal 0.2 percent, placing these two processors at statistical parity. The Xeon targets a different market segment with its server-oriented feature set, but the raw performance data shows no meaningful advantage for either part in aggregate workloads.

The AMD Ryzen 3 PRO 2200GE also scores 1461, matching the Xeon's average with the same 0.2 percent delta. This AMD part brings a different architecture and integrated graphics approach, yet the benchmark results indicate that the i3-7350K holds a razor-thin edge in average performance. The comparison is effectively a tie, with any real-world difference falling within run-to-run variance.

The Intel Core i5-4590S scores 1456, which is 0.5 percent behind the i3-7350K. This older Haswell-generation part features more physical cores but lower clock speeds, and the data shows that the i3's higher frequency compensates for its core deficit in the aggregate benchmark score. The i5-4590S represents a previous platform generation, so the comparison also reflects architectural improvements from Kaby Lake.

The Intel Xeon E3-1515M v5 rounds out the rival group with a score of 1456, again 0.5 percent behind. This mobile-oriented Xeon part demonstrates that the i3-7350K can hold its own against parts with different power envelopes and feature sets. The consistent theme across all four rivals is that the i3-7350K sits in a tightly clustered performance band where single-digit percentage differences separate the contenders.

Benchmark Performance

The performance data reveals a processor that excels in single-threaded tasks while lagging in multi-threaded scenarios. In Cinebench R15, the multi-core score of 418 against a single-core score of 59 produces a ratio that highlights the dual-core limitation — doubling the thread count from two to four does not scale linearly, and the physical core constraint caps throughput. The Cinebench R20 results show a similar pattern, with a multi-core score of 1743 and single-core score of 246, while Cinebench R23 delivers 4151 multi-core and 586 single-core.

Geekbench results follow the same trajectory: a multi-core score of 3018 and single-core score of 1488. The single-core figures are competitive for the 4.20 GHz clock speed, but the multi-core scores reveal that the two physical cores cannot compete with quad-core or higher parts in the database. The average benchmark score of 1464 places this processor in the 39th percentile, which is a modest standing that reflects the niche positioning of a high-clock dual-core chip in a market that has shifted toward higher core counts.

Comparing to the nearest rivals, the i3-7350K holds a 0.2 percent advantage over the Xeon E3-1225 v5 and Ryzen 3 PRO 2200GE, and a 0.5 percent edge over the Core i5-4590S and Xeon E3-1515M v5. These deltas are negligible in practical terms, meaning the i3-7350K neither dominates nor falls behind its immediate competition. The benchmark results indicate that this processor's value proposition rests entirely on its single-thread performance and overclocking capability, rather than raw multi-core throughput. For users whose workloads prioritize single-core speed, the data supports this chip's viability, but the percentile ranking serves as a caution against expecting competitive multi-threaded performance.