Intel Core i9-14900KS vs Intel Xeon 6736P Comparison

Where Each One Wins

The benchmark data splits these two processors into distinct usage profiles. The Intel Xeon 6736P takes 4 of 17 head-to-head tests, while the Intel Core i9-14900KS wins 13. The wins are not evenly distributed; they cluster around specific workload types.

The Core i9-14900KS dominates every Cinebench test. It wins R15, R20, and R23 in both single-core and multi-core variants, with deltas of approximately 16.5% in its favor across all six tests. This consistency suggests the Core i9 holds a structural advantage in rendering workloads that respond to high clock speeds and moderate thread counts.

The Xeon 6736P wins the more specialized compute tasks. Its passmark extended instructions score of 55,563 beats the Core i9's 45,524 by 22.1%. The Xeon also wins find prime numbers by a massive 60.7% (392 versus 244) and random string sorting by 15.5% (103,723 versus 89,789). The physics test is the Xeon's largest victory: 6,531 versus 3,381, a 93.2% margin.

The Core i9 wins the throughput-oriented passmark tests, but by smaller margins. Data compression shows only a 0.8% difference (803,368 versus 796,658), data encryption 3.1% (47,717 versus 46,236), floating point math 2.7% (153,975 versus 149,770), and integer math 2.7% (212,644 versus 206,833). The multithread test goes to the Core i9 by 16.6% (60,012 versus 50,072).

Single-thread performance is not a contest. The Core i9 scores 4,815 in passmark single thread against the Xeon's 2,024, a 58% deficit for the server part. The Xeon cannot compensate for this in any single-core metric, as the Cinebench single-core tests show the same pattern.

Architecture Differences

The two processors come from different Intel design lineages. The Xeon 6736P uses Granite Rapids architecture on a 5 nm process, while the Core i9-14900KS uses Raptor Lake-R on a 10 nm process. The Xeon's die measures 598 mm², more than double the Core i9's 257 mm².

Core counts favor the Xeon: 36 cores and 72 threads versus 24 cores and 32 threads for the Core i9. The Xeon's base clock is 2.00 GHz and boost clock 4.10 GHz. The Core i9 runs at 3.20 GHz base and 6.20 GHz boost, explaining its single-core dominance. The Xeon has a 205 W TDP, the Core i9 150 W.

Cache layouts differ substantially. The Xeon provides 112 KB L1 per core and 2 MB L2 per core, with 144 MB shared L3. The Core i9 offers 80 KB L1 per core and 2 MB L2 per core, but only 36 MB shared L3. The Xeon's L3 is four times larger, which helps in data-heavy server workloads.

Memory architecture is a major divergence. The Xeon supports DDR5 with an eight-channel memory bus and 409.6 GB/s bandwidth. The Core i9 supports both DDR4 and DDR5, but only with a dual-channel bus and no recorded bandwidth figure. Both support ECC memory.

PCIe lanes differ dramatically: the Xeon provides Gen 5 with 88 lanes (CPU only), the Core i9 provides Gen 5 with 16 lanes (CPU only). The Xeon has no integrated graphics, while the Core i9 includes UHD Graphics 770. The Xeon targets the server/workstation segment, the Core i9 the desktop segment.

The Xeon uses Intel Socket 4710, the Core i9 uses Intel Socket 1700. The Xeon's multiplier is locked, the Core i9's is unlocked. The Xeon released on 2025-02-23 with launch MSRP $3351; the Core i9 released on 2024-03-13 with launch MSRP $689.

Head-to-Head Benchmarks

The Cinebench suite shows a consistent pattern. In R15 multicore, the Core i9 scores 5,140 against the Xeon's 4,290, a 16.5% advantage. R15 singlecore: 725 versus 605, a 16.6% gap. R20 multicore: 21,417 versus 17,875, again 16.5%. R20 singlecore: 3,023 versus 2,523, also 16.5%. R23 multicore: 50,995 versus 42,561, 16.5%. R23 singlecore: 7,199 versus 6,008, 16.5%. The uniformity of these deltas indicates a fixed performance ratio across the entire Cinebench family.

The passmark suite breaks the pattern. Extended instructions: the Xeon wins 55,563 to 45,524, a 22.1% lead. This is the largest percentage win for the Xeon outside of physics. Find prime numbers: the Xeon wins 392 to 244, a 60.7% lead, showing a strong advantage in integer-heavy prime computation.

Physics is the Xeon's standout result. Its 6,531 score doubles the Core i9's 3,381, a 93.2% delta. This test likely leverages the Xeon's 36 physical cores, which provide more parallel execution units for physics simulations. Random string sorting goes to the Xeon by 15.5% (103,723 versus 89,789), another workload that scales with core count and cache size.

The Core i9's wins in passmark are narrow in compute-heavy tests. Data compression: 803,368 versus 796,658, only 0.8% apart. Data encryption: 47,717 versus 46,236, a 3.1% gap. Floating point math: 153,975 versus 149,770, 2.7% apart. Integer math: 212,644 versus 206,833, also 2.7%. These margins are small enough that workload variance could flip individual results, but the direction is consistent.

The multithread test shows a larger Core i9 margin: 60,012 versus 50,072, a 16.6% lead. This mirrors the Cinebench multicore results, suggesting the Core i9's thread scheduling and higher clocks win out over the Xeon's raw core count. Single thread is the most lopsided: 4,815 versus 2,024, a 58% deficit for the Xeon.

The Verdict

The data points to different buyers for each processor. The Intel Core i9-14900KS wins the majority of benchmarks, including all rendering tests and most general-purpose compute. Its single-thread score of 4,815 versus 2,024 makes it the clear choice for applications that depend on per-core performance, such as gaming, legacy software, or lightly threaded productivity tools. The 58% single-thread advantage is decisive.

The Intel Xeon 6736P is the specialist. It wins extended instructions by 22.1%, prime numbers by 60.7%, physics by 93.2%, and random string sorting by 15.5%. These are not mainstream desktop workloads. They point to scientific computing, cryptography, simulation, and data processing where the 36 cores and 144 MB L3 cache provide measurable benefits. The eight-channel memory bus with 409.6 GB/s bandwidth adds to its server credentials.

For a desktop user, the Core i9-14900KS is the data-backed recommendation. It wins 13 of 17 tests, including every Cinebench metric, and its multithread score of 60,012 beats the Xeon's 50,072 despite the Xeon having 12 more cores. The Core i9 also carries integrated graphics, which the Xeon lacks.

For a server or workstation operator running instruction-heavy or physics-based workloads, the Xeon 6736P justifies its position. The physics margin of 93.2% is not a marginal improvement; it is a near-doubling of performance. The extended instruction lead of 22.1% and prime number lead of 60.7% confirm this is not a fluke.

Both processors sit at the 96th percentile among all CPUs, meaning either is a top-tier performer. The choice comes down to workload profile, not overall capability. The data shows a split: the Core i9 for general and single-threaded tasks, the Xeon for specific server-class computations.

FAQ

Q: Which processor has more cores?

A: The Intel Xeon 6736P has 36 cores and 72 threads, while the Intel Core i9-14900KS has 24 cores and 32 threads.

Q: Why does the Core i9 win most benchmarks despite fewer cores?

A: The Core i9 has a base clock of 3.20 GHz and boost clock of 6.20 GHz, compared to the Xeon's 2.00 GHz base and 4.10 GHz boost. Higher clocks benefit workloads that do not scale perfectly with core count.

Q: What is the Xeon's biggest advantage?

A: The passmark physics test shows the largest gap: the Xeon scores 6,531 against the Core i9's 3,381, a 93.2% difference. This indicates a strong advantage in physics simulation workloads.

Q: Do both support ECC memory?

A: Yes, both the Xeon 6736P and the Core i9-14900KS support ECC memory. However, the Xeon uses an eight-channel DDR5 memory bus with 409.6 GB/s bandwidth, while the Core i9 uses a dual-channel bus supporting DDR4 and DDR5.

Q: Which processor has more PCIe lanes?

A: The Xeon 6736P provides Gen 5 with 88 lanes (CPU only), while the Core i9-14900KS provides Gen 5 with 16 lanes (CPU only).

Q: How do the single-thread scores compare?

A: The Core i9 scores 4,815 in passmark single thread, while the Xeon scores 2,024. That is a 58% advantage for the Core i9.

Specification Differences

| Specification | Intel Xeon 6736P | Intel Core i9-14900KS |

|---|---|---|

| Cores | 36 | 24 |

| Threads | 72 | 32 |

| Base Clock | 2.00 GHz | 3.20 GHz |

| Boost Clock | 4.10 GHz | 6.20 GHz |

| TDP | 205 W | 150 W |

| Socket | Intel Socket 4710 | Intel Socket 1700 |

| Architecture | Granite Rapids | Raptor Lake |

| Codename | Granite Rapids | Raptor Lake-R |

| Generation | Xeon 6 (Granite Rapids-SP) | Core i9 (Raptor Lake Refresh) |

| Process Node | 5 nm | 10 nm |

| Die Size | 598 mm² | 257 mm² |

| L1 Cache | 112 KB (per core) | 80 KB (per core) |

| L2 Cache | 2 MB (per core) | 2 MB (per core) |

| L3 Cache | 144 MB (shared) | 36 MB (shared) |

| Memory Support | DDR5 | DDR4, DDR5 |

| Memory Bus | Eight-channel | Dual-channel |

| Memory Bandwidth | 409.6 GB/s | Not recorded |

| PCIe | Gen 5, 88 Lanes (CPU only) | Gen 5, 16 Lanes (CPU only) |

| Integrated Graphics | N/A | UHD Graphics 770 |

| Market Segment | Server/Workstation | Desktop |

| Multiplier Unlocked | No | Yes |

| Launch MSRP | $3351 | $689 |