Intel Core i9-13905H vs Intel Xeon 6357P Comparison

Two server-oriented Intel parts with the same Raptor Lake DNA could hardly be more different in execution. The Intel Xeon 6357P, a desktop-socket workstation chip, and the Intel Core i9-13905H, a mobile flagship, share a 10 nm process and 24 MB of L3 cache, yet the benchmark data shows the Xeon dominating single-threaded workloads while the Core i9 claws back wins in specific multi-threaded and memory-heavy tasks. With both chips landing in the 87th percentile of all CPUs, the overall average scores sit close — 40630 for the Xeon versus 40313 for the Core i9 — but the distribution of wins tells a sharper story about intended use.

Head-to-Head Benchmarks

The most striking margin in the entire comparison belongs to the Xeon 6357P in Cinebench R23 single-core, where it scores 3691 against the Core i9's 2020 — a 82.7% advantage. That gap is nearly replicated in Cinebench R15 single-core, with the Xeon at 372 versus 246, a 51.2% lead. Even in Cinebench R20 single-core, the Xeon's 1550 beats the Core i9's 1497 by a narrower 3.5%. PassMark single-thread testing confirms the pattern: 4233 for the Xeon versus 3703 for the Core i9, a 14.3% edge. These are not marginal differences; they point to a fundamental clock-behavior advantage for the Xeon in lightly threaded scenarios.

Multi-core results are more mixed, and here the Core i9 scores its biggest win. In Cinebench R15 multi-core, the Core i9 takes 2857 against the Xeon's 2635, a 7.8% margin. That is the only Cinebench multi-core test the Core i9 wins, however. The Xeon counters with a 30.5% blowout in Cinebench R23 multi-core (26145 versus 20034) and a 3.5% edge in Cinebench R20 multi-core (10980 versus 10605). PassMark multi-thread favors the Xeon more modestly: 30759 versus 29779, a 3.3% lead. The Xeon also wins PassMark physics (2305 versus 2054, up 12.2%) and floating-point math (74460 versus 73434, up 1.4%).

The Core i9's remaining wins cluster around integer and data tasks. PassMark integer math goes to the Core i9 at 101716 versus 97375, a 4.3% margin. Data encryption favors the Core i9 by 10.5% (20464 versus 18324), and random string sorting goes to the Core i9 at 37460 versus 35495, a 5.2% edge. Data compression is nearly a tie, with the Core i9 at 354330 barely edging the Xeon's 353521 by 0.2%. The Xeon answers with a 15% win in extended instructions (24490 versus 21297) and a 22.1% win in find prime numbers (149 versus 122). Counting the head-to-head table, the Xeon takes 12 wins to the Core i9's 5.

Architecture Differences

Both chips are built on Intel's 10 nm process and share the Raptor Lake architecture, with the Xeon using the Raptor Lake-R die and the Core i9 using Raptor Lake-H. Die size is identical at 257 mm². The core counts diverge significantly: the Xeon packs 8 cores and 16 threads, while the Core i9 offers 14 cores and 20 threads. Both have the same per-core cache hierarchy — 80 KB of L1 and 2 MB of L2 per core — and the same 24 MB shared L3. The Xeon's base clock is 3.00 GHz versus the Core i9's 2.60 GHz, but both boost to 5.40 GHz.

Socket and power profiles separate them further. The Xeon uses Intel Socket 1700 with an 80 W TDP, while the Core i9 is on Intel BGA 1744 with a 45 W TDP. The Xeon supports ECC memory; the Core i9 does not. Both support DDR4 and DDR5 over dual-channel memory buses. PCIe connectivity differs: the Xeon provides Gen 5 with 16 lanes from the CPU, while the Core i9 provides Gen 5 with only 8 lanes. The Core i9 includes integrated Iris Xe Graphics 96EU, whereas the Xeon has no integrated graphics.

The Xeon is marked for the server/workstation segment and launched on 2025-02-23 with a launch MSRP of $556. The Core i9 is a mobile part from the Core 13th Gen series, launched on 2023-01-03 with a launch MSRP of $697. The Xeon's generation is listed as "Xeon 6 (Raptor Lake Refresh)," while the Core i9 is simply "Core i9 (Raptor Lake-H)." Both chips are production-active and have locked multipliers.

Where Each One Wins

The Xeon 6357P is the clear choice for single-thread-bound work. Its 82.7% lead in Cinebench R23 single-core and 51.2% lead in Cinebench R15 single-core are the kind of margins that dominate lightly threaded rendering, legacy applications, and any workload that cannot scale across many cores. The 14.3% PassMark single-thread advantage reinforces that. The Xeon also handles extended instruction sets better, with a 15% lead in PassMark extended instructions, and it wins in prime-number finding by 22.1%, suggesting strong branch-and-integer-iteration performance. Physics simulation also favors the Xeon, with a 12.2% edge in PassMark physics.

The Core i9-13905H wins where raw core count and memory throughput matter. Its 14 cores and 20 threads against the Xeon's 8 cores and 16 threads help it take Cinebench R15 multi-core by 7.8%. Data encryption is a 10.5% win for the Core i9, and integer math comes in 4.3% ahead. Random string sorting, a memory-latency-sensitive test, goes to the Core i9 by 5.2%. Data compression is effectively a wash, but the Core i9 still takes it by a hair at 0.2%. These wins suggest the Core i9 is better suited for data-moving, integer-heavy, and encryption workloads that benefit from more physical cores and higher aggregate throughput.

The Xeon counters in multi-core rendering workloads that scale well with cache and clock behavior. Its 30.5% win in Cinebench R23 multi-core is decisive, and it also leads in Cinebench R20 multi-core by 3.5% and PassMark multi-thread by 3.3%. The Xeon's floating-point math edge is slim at 1.4%, but it holds. For users running Blender-style renders or Cinebench-class benchmarks, the Xeon's per-core efficiency wins out despite fewer cores.

The Verdict

The data points to the Intel Xeon 6357P for anyone prioritizing single-core speed and consistent multi-core rendering performance in a workstation socket. It wins 12 of 17 head-to-head benchmarks, including the two most demanding Cinebench multi-core tests and all four single-core tests. Its 87th percentile ranking and average benchmark score of 40630, just ahead of the Core i9's 40313, confirm it is the faster overall chip in this pairing. The 82.7% single-core advantage is the headline number; no workstation user should ignore that.

The Intel Core i9-13905H makes sense only for specific mobile-adjacent workloads where its 14 cores and 20 threads translate to wins in encryption, integer math, and random string sorting. Its 45 W TDP is lower than the Xeon's 80 W, but that is a power figure, not a performance one — and the benchmark results do not favor the Core i9 often enough to justify choosing it on raw speed. The Core i9's 5 wins all come in narrow or moderate margins, with its largest being 10.5% in encryption. Compare that to the Xeon's 30.5% and 82.7% wins, and the verdict is clear.

Buy the Xeon 6357P for workstation-class rendering, simulation, and single-thread-bound applications. Buy the Core i9-13905H only if you specifically need its encryption throughput, integer math capabilities, or integrated graphics — none of which the Xeon offers.

FAQ

Q: Which CPU has the higher single-core performance?

A: The Intel Xeon 6357P wins all single-core benchmarks. It leads by 51.2% in Cinebench R15 single-core (372 versus 246), by 3.5% in Cinebench R20 single-core (1550 versus 1497), by 82.7% in Cinebench R23 single-core (3691 versus 2020), and by 14.3% in PassMark single-thread (4233 versus 3703).

Q: How do the two chips compare in Cinebench R23 multi-core?

A: The Xeon 6357P scores 26145, which is 30.5% higher than the Core i9-13905H's 20034. This is the Xeon's largest multi-core win in the Cinebench suite.

Q: Does the Core i9-13905H win any multi-core benchmark?

A: Yes, it wins Cinebench R15 multi-core by 7.8% (2857 versus 2635). It also wins PassMark integer math by 4.3% (101716 versus 97375), but the Xeon wins Cinebench R20 multi-core, Cinebench R23 multi-core, and PassMark multi-thread.

Q: What are the core and thread counts for each CPU?

A: The Xeon 6357P has 8 cores and 16 threads. The Core i9-13905H has 14 cores and 20 threads. Both share the same 24 MB L3 cache and 2 MB L2 per core.

Q: Which CPU supports ECC memory?

A: The Intel Xeon 6357P supports ECC memory. The Intel Core i9-13905H does not support ECC.

Q: What is the average benchmark score difference between the two?

A: The Xeon 6357P has an average benchmark score of 40630, while the Core i9-13905H averages 40313. Both sit in the 87th percentile of all CPUs. The Xeon's nearest rival is the AMD Ryzen AI 5 PRO 435G with a 0.2% lower score, while the Core i9's nearest rival is the Intel Xeon 6369P with a 0% delta.