Intel Core i5-13600KF vs Intel Core Ultra 5 235H Comparison

Intel Core i5-13600KF vs Intel Core Ultra 5 235H: a desktop enthusiast processor from the Raptor Lake generation facing a mobile Arrow Lake chip. The benchmark data shows a clear pattern: the 13600KF dominates in most compute-heavy workloads, while the 235H counters in a few specific tests. Across 17 recorded head-to-head benchmarks, the i5-13600KF secured 13 wins, leaving the Core Ultra 5 235H with 4 victories.

Head-to-Head Benchmarks

The most decisive wins for the i5-13600KF come in integer math and data compression. In PassMark integer math, the 13600KF scores 122,169 against 74,247, a 64.5% advantage. Data compression shows a 57.5% lead (475,505 vs 301,979), making the desktop chip clearly better for archiving, compression tools, and database workloads. Random string sorting also favors the 13600KF by 40.4% (50,851 vs 36,208), reinforcing its strength in sorting and text-processing tasks.

Cinebench results are consistently one-sided. Across all three Cinebench versions (R15, R20, R23), the 13600KF leads by roughly 24% in both single-core and multi-core tests. For example, Cinebench R23 multi-core shows 31,727 for the 13600KF versus 25,598 for the 235H, a 23.9% gap. Single-core R23 is 4,479 vs 3,613, also about 24% ahead. These margins are uniform, indicating a fundamental performance-per-clock advantage for the desktop part in sustained CPU rendering.

The 13600KF also wins in PassMark multithread (37,488 vs 30,091, 24.6% ahead), extended instructions (28,865 vs 23,354, 23.6% ahead), data encryption (26,957 vs 23,121, 16.6% ahead), and physics (2,226 vs 1,985, 12.1% ahead). The physics lead is smaller but still consistent.

The Core Ultra 5 235H takes its wins in more specialized areas. Its biggest victory is in PassMark find prime numbers: 239 vs 152, which translates to a 36.4% advantage for the mobile chip. This test is highly sensitive to the newer architecture's integer division and branch prediction. The 235H also edges out the 13600KF in floating-point math (93,509 vs 90,424, 3.3% ahead) and in PassMark single-thread (4,359 vs 4,118, 5.5% ahead). The single-thread win is notable because the 13600KF has a higher boost clock (5.10 GHz vs 5.00 GHz), yet the 235H still manages a higher score, pointing to IPC improvements in Arrow Lake.

Architecture Differences

The two processors represent different Intel design philosophies. The i5-13600KF is built on Raptor Lake, a 10 nm process from Intel's own foundry. It uses a hybrid core layout with 14 cores and 20 threads, which means it has performance cores and efficiency cores, with the efficiency cores adding extra threads. The die size is 257 mm². The Core Ultra 5 235H uses Arrow Lake-H, fabricated on a 3 nm process by TSMC. It also has 14 cores but only 14 threads, indicating a different core configuration where efficiency cores do not support hyperthreading.

Cache hierarchies differ substantially. The 13600KF has 80 KB of L1 per core, 2 MB of L2 per core, and 24 MB of shared L3. The 235H has larger per-core caches: 192 KB L1 and 3 MB L2, but a smaller 18 MB shared L3. The larger L1 and L2 on the 235H help explain its wins in prime number finding and single-thread tests, as more data stays closer to the execution units.

Memory support diverges. The 13600KF supports both DDR4 and DDR5, while the 235H supports DDR5 and LPDDR5X. The 235H has a recorded memory bandwidth of 102.4 GB/s, while the 13600KF has no listed bandwidth figure. PCIe lanes also differ: the 13600KF offers Gen 5 with 16 lanes (CPU only), whereas the 235H provides Gen 5 with 8 lanes (CPU only). The desktop chip has more bandwidth for expansion cards.

The 235H includes integrated graphics (Arc Graphics 140T), while the 13600KF has no listed integrated GPU, requiring a discrete graphics card for display output. The 13600KF has an unlocked multiplier and supports ECC memory; the 235H has a locked multiplier and does not support ECC. The 13600KF is a desktop part on Intel Socket 1700, while the 235H is mobile on Intel BGA 2049.

FAQ

Q: Which CPU is faster in Cinebench R23 multi-core?

A: The i5-13600KF scores 31,727 versus 25,598 for the Core Ultra 5 235H, a 23.9% difference in favor of the desktop chip.

Q: Does the Core Ultra 5 235H win any benchmark?

A: Yes, it wins 4 of the 17 recorded head-to-head tests: find prime numbers (239 vs 152), floating-point math (93,509 vs 90,424), and both PassMark single-thread entries (4,359 vs 4,118).

Q: Why does the 235H win in find prime numbers despite losing most other tests?

A: The 235H has larger L1 (192 KB per core) and L2 (3 MB per core) caches, which likely help in this specific workload that depends on tight loops and repeated integer operations. The 13600KF has smaller per-core caches (80 KB L1, 2 MB L2).

Q: What is the thread count difference?

A: The i5-13600KF has 20 threads from its 14 cores, while the Core Ultra 5 235H has 14 threads from its 14 cores. The desktop chip effectively has 6 additional threads.

Q: Which CPU has a higher boost clock?

A: The i5-13600KF boosts to 5.10 GHz, while the Core Ultra 5 235H boosts to 5.00 GHz.

Q: Are both CPUs on the same socket?

A: No. The i5-13600KF uses Intel Socket 1700, and the Core Ultra 5 235H uses Intel BGA 2049.

Specification Differences

• Process node: 10 nm (Intel) for the 13600KF, 3 nm (TSMC) for the 235H.
• Foundry: Intel for the 13600KF, TSMC for the 235H.
• Cores/Threads: 14 cores / 20 threads for the 13600KF, 14 cores / 14 threads for the 235H.
• Base clock: 3.50 GHz for the 13600KF, 2.40 GHz for the 235H.
• Boost clock: 5.10 GHz for the 13600KF, 5.00 GHz for the 235H.
• TDP: 125 W for the 13600KF, 28 W for the 235H.
• L1 cache: 80 KB per core for the 13600KF, 192 KB per core for the 235H.
• L2 cache: 2 MB per core for the 13600KF, 3 MB per core for the 235H.
• L3 cache: 24 MB shared for the 13600KF, 18 MB shared for the 235H.
• Memory support: DDR4, DDR5 for the 13600KF; DDR5, LPDDR5X for the 235H.
• Memory bandwidth: Not listed for the 13600KF, 102.4 GB/s for the 235H.
• ECC memory: Supported on the 13600KF, not supported on the 235H.
• PCIe: Gen 5, 16 lanes (CPU only) for the 13600KF; Gen 5, 8 lanes (CPU only) for the 235H.
• Integrated graphics: None listed for the 13600KF, Arc Graphics 140T for the 235H.
• Socket: Intel Socket 1700 for the 13600KF, Intel BGA 2049 for the 235H.
• Market segment: Desktop for the 13600KF, Mobile for the 235H.
• Multiplier unlocked: Yes for the 13600KF, No for the 235H.
• Release date: 2022-09-26 for the 13600KF, 2025-01-12 for the 235H.
• Launch MSRP: $294 for the 13600KF, not listed for the 235H.

Where Each One Wins

The i5-13600KF is the clear choice for CPU-bound desktop workloads. Its 64.5% lead in integer math and 57.5% lead in data compression make it ideal for software compilation, code execution, file archiving, and database transactions. The 24% advantage across all Cinebench versions means it handles video rendering, 3D modeling, and any sustained multi-threaded CPU task better. The 24.6% multithread win and 40.4% random string sorting lead strengthen the case for heavy productivity and server-like tasks. It also has 16 PCIe Gen 5 lanes, which is better for high-bandwidth GPUs and NVMe drives, and it supports ECC memory for data integrity.

The Core Ultra 5 235H is a mobile processor with integrated graphics and a 28 W TDP, which makes it suitable for thin-and-light laptops where power efficiency matters more than raw throughput. Its wins in find prime numbers (36.4% ahead) and floating-point math (3.3% ahead) suggest it handles specific scientific or numerical workloads well. The 5.5% single-thread lead means it can feel responsive in everyday applications like web browsing, office work, and light coding. The larger L1 and L2 caches help in latency-sensitive tasks. Its memory bandwidth of 102.4 GB/s and LPDDR5X support are advantages for memory-heavy mobile workloads.

The Verdict

The data points to a straightforward split. If you are building a desktop PC and need maximum compute performance, the i5-13600KF is the superior processor. It wins 13 of 17 benchmarks, often by large margins, and offers more threads, a higher boost clock, more PCIe lanes, and ECC support. The 24% Cinebench lead and 64.5% integer math lead are decisive for most professional and enthusiast workloads.

If you are selecting a chip for a laptop, the Core Ultra 5 235H is the only viable option of the two, as it is a mobile part. Its 28 W TDP and integrated graphics are essential for portable systems. The 235H also holds its own in single-thread performance and wins in prime number calculations and floating-point math, which means it is not a weak processor overall. It sits at the 85th percentile versus all CPUs, just one point below the 13600KF's 86th percentile.

The verdict is simple: buy the i5-13600KF for a desktop where power draw and socket size are not constraints. Choose the Core Ultra 5 235H for a mobile device where the 28 W TDP and integrated graphics are required. The 13600KF's average benchmark score is 38,103 versus 37,522 for the 235H, a 1.5% overall difference, but the distribution of wins tells the real story. The desktop part is built for brute force, the mobile part for efficiency with a few targeted strengths.