Intel Core i9-13900T vs Intel Xeon Platinum 8260M Comparison

Intel Xeon Platinum 8260M and Intel Core i9-13900T are both 24-core Intel processors, but they target completely different segments: one is a server/workstation part built for sustained throughput, the other is a low-power desktop chip designed for efficiency. The benchmark data shows a stark split: the i9-13900T wins 14 of 17 head-to-head tests, while the Xeon Platinum 8260M takes only 3. However, the Xeon’s wins are in specific niches that matter for enterprise workloads.

Head-to-Head Benchmarks

The Core i9-13900T dominates the Cinebench suite across the board. In Cinebench R23 multi-core, the i9-13900T scores 36,517 against the Xeon’s 29,403, a 19.5% advantage. The same 19.5% delta appears in Cinebench R15 multi-core (3,680 vs 2,963) and Cinebench R20 multi-core (15,337 vs 12,349). Single-core results follow the same pattern: Cinebench R23 single-core shows 5,155 for the i9-13900T versus 4,151 for the Xeon, another 19.5% gap. In Cinebench R15 single-core, the i9-13900T scores 519 against 418, and in R20 single-core it posts 2,165 versus 1,743.

The PassMark suite reveals where the Xeon fights back. The Xeon Platinum 8260M wins data compression with 573,896 against the i9-13900T’s 538,254, a 6.6% margin. It also wins extended instructions (35,529 vs 29,719, a 19.5% lead) and random string sorting (69,236 vs 63,358, a 9.3% edge). These three wins are significant: they represent workloads that rely on large caches and high memory bandwidth, not raw clock speed.

The i9-13900T’s largest single victory is in single-thread performance. PassMark single-thread shows 4,177 for the i9-13900T against 2,320 for the Xeon, a massive 44.5% delta. Data encryption also heavily favors the i9-13900T: 34,415 versus 17,625, a 48.8% gap. Floating point math goes to the i9-13900T at 108,779 versus 73,514, a 32.4% edge. Integer math sees the i9-13900T at 157,324 against 129,213, a 17.9% lead. The i9-13900T also wins multithread (43,036 vs 34,592, 19.6% ahead), prime numbers (175 vs 141, 19.4% ahead), and physics (2,497 vs 2,080, 16.7% ahead).

The average benchmark score tells a similar story: the i9-13900T averages 61,723 across all tests, while the Xeon averages 58,323, a difference of about 5.8%. Both CPUs sit at the 92nd percentile among all processors in the database, indicating that despite the Xeon’s age, it remains a high-end part, but the i9-13900T is simply faster in most measurable scenarios.

Where Each One Wins

The Core i9-13900T is the clear winner for general compute, single-threaded tasks, and most multi-threaded workloads. Its single-thread score of 4,177 is nearly double the Xeon’s 2,320, making it better suited for everyday responsiveness, gaming, and lightly threaded applications. The i9-13900T also excels in encryption, floating-point math, and physics simulations, which are common in scientific computing, video rendering, and financial modeling. Its multithread score of 43,036 shows it handles parallel workloads well, even with fewer threads (32 vs 48) than the Xeon.

The Xeon Platinum 8260M wins in three specific areas that point to server-class strengths. Data compression (573,896) is a workload that benefits from high memory bandwidth and large L3 cache, and the Xeon’s 35.75 MB shared L3 cache helps here. Extended instructions (35,529) suggest the Xeon’s AVX-512 support, which is absent from the i9-13900T, gives it an edge in vectorized code. Random string sorting (69,236) is another memory-heavy task where the Xeon’s architecture shines.

For workloads that mix these characteristics, the choice is clear. If the task involves heavy string manipulation, data compression, or AVX-512-optimized code, the Xeon pulls ahead. For everything else, including single-threaded performance, encryption, and general floating-point work, the i9-13900T is faster by margins ranging from 16.7% to 48.8%.

Architecture Differences

The two processors come from different eras and design philosophies. The Xeon Platinum 8260M uses Cascade Lake-SP architecture on a 14 nm process, released in December 2018. It has 24 cores and 48 threads, with a base clock of 2.40 GHz and a boost clock of 3.90 GHz. Its L1 cache is 64 KB per core, L2 is 1 MB per core, and L3 is 35.75 MB shared. It supports DDR4 memory and ECC memory, and it uses Intel Socket 3647, which is a server platform. The Xeon has no integrated graphics and is not multiplier-unlocked. Its transistor count is 8,000 million.

The Core i9-13900T uses Raptor Lake architecture on a 10 nm process, released in January 2023. It has 24 cores and 32 threads, with a base clock of 1.10 GHz and a boost clock of 5.30 GHz. Its L1 cache is 80 KB per core, L2 is 2 MB per core, and L3 is 36 MB shared. It supports both DDR4 and DDR5 memory in a dual-channel configuration, and it includes ECC support. The i9-13900T uses Intel Socket 1700, has 20 PCIe Gen 5 lanes (CPU only), and includes UHD Graphics 770. Its die size is 257 mm², and it is not multiplier-unlocked.

The most significant architectural differences are clock speed, process node, and memory support. The i9-13900T boosts to 5.30 GHz versus 3.90 GHz for the Xeon, which explains its massive single-thread advantage. The 10 nm process versus 14 nm allows for higher efficiency and higher clocks. The i9-13900T’s support for DDR5 memory is a generational leap over the Xeon’s DDR4-only support, though the Xeon’s larger thread count (48 vs 32) gives it an advantage in heavily threaded server workloads.

The Xeon’s 35.75 MB L3 cache versus the i9-13900T’s 36 MB is nearly identical, but the Xeon’s per-core L2 is smaller (1 MB vs 2 MB). The i9-13900T has a larger L1 cache per core (80 KB vs 64 KB). The Xeon’s server platform (Socket 3647) is designed for multi-socket configurations and ECC memory, while the i9-13900T is a desktop part with integrated graphics, which the Xeon lacks.

The Verdict

The data is unambiguous for most users: the Intel Core i9-13900T is the faster processor in the majority of benchmark tests. It wins 14 of 17 head-to-head comparisons, including all Cinebench tests, all single-thread tests, and most PassMark tests. Its 44.5% single-thread lead and 48.8% encryption lead are decisive. For desktop workloads, rendering, scientific computing, and general productivity, the i9-13900T is the better choice.

The Xeon Platinum 8260M should only be selected for workloads that specifically benefit from its strengths: data compression, extended instructions (likely AVX-512), and random string sorting. These are server-class tasks that may appear in database or data-processing environments. Additionally, the Xeon supports ECC memory and is built for the Socket 3647 server platform, which may be a requirement for certain enterprise deployments. Its 48 threads versus 32 for the i9-13900T could also matter in heavily threaded server applications, though the benchmark data shows the i9-13900T still wins in multithread tests.

For an individual or a desktop workstation user, the i9-13900T is the obvious pick. For a server administrator running specific memory-bound or AVX-512 workloads, the Xeon retains a niche appeal. The i9-13900T also has a lower TDP of 35 watts versus 165 watts for the Xeon, making it far more power-efficient, though the database does not include direct power consumption measurements beyond TDP.

FAQ

Q: Which CPU has better single-thread performance?

A: The Core i9-13900T wins decisively. PassMark single-thread scores are 4,177 for the i9-13900T versus 2,320 for the Xeon, a 44.5% delta. Cinebench R23 single-core shows 5,155 versus 4,151, also a 19.5% advantage.

Q: Does the Xeon Platinum 8260M win any benchmarks?

A: Yes, it wins three tests: data compression (573,896 vs 538,254, 6.6% ahead), extended instructions (35,529 vs 29,719, 19.5% ahead), and random string sorting (69,236 vs 63,358, 9.3% ahead).

Q: How many cores and threads does each CPU have?

A: Both have 24 cores. The Xeon Platinum 8260M has 48 threads, while the Core i9-13900T has 32 threads.

Q: What is the memory support difference?

A: The Xeon supports DDR4 memory only. The Core i9-13900T supports both DDR4 and DDR5 in a dual-channel configuration. Both support ECC memory.

Q: Which CPU has integrated graphics?

A: The Core i9-13900T includes UHD Graphics 770. The Xeon Platinum 8260M has no integrated graphics.

Q: What are the TDP ratings?

A: The Xeon Platinum 8260M has a TDP of 165 watts. The Core i9-13900T has a TDP of 35 watts.

Specification Differences

| Specification | Intel Xeon Platinum 8260M | Intel Core i9-13900T |

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

| Cores | 24 | 24 |

| Threads | 48 | 32 |

| Base Clock | 2.40 GHz | 1.10 GHz |

| Boost Clock | 3.90 GHz | 5.30 GHz |

| TDP | 165 W | 35 W |

| Socket | Intel Socket 3647 | Intel Socket 1700 |

| Architecture | Cascade Lake-SP | Raptor Lake-S |

| Process Node | 14 nm | 10 nm |

| L1 Cache | 64 KB (per core) | 80 KB (per core) |

| L2 Cache | 1 MB (per core) | 2 MB (per core) |

| L3 Cache | 35.75 MB (shared) | 36 MB (shared) |

| Memory Support | DDR4 | DDR4, DDR5 |

| Memory Bus | Not specified | Dual-channel |

| PCIe | Not specified | Gen 5, 20 Lanes (CPU only) |

| Integrated Graphics | None | UHD Graphics 770 |

| Die Size | Not specified | 257 mm² |

| Transistors | 8,000 million | Not specified |

| Release Date | 2018-12-10 | 2023-01-03 |

| Multiplier Unlocked | No | No |

| Market Segment | Server/Workstation | Desktop |

| Production Status | Not specified | Active |