Intel Core Ultra 7 270K Plus vs Intel Xeon w7-2575X Comparison

The Intel Xeon w7-2575X and Intel Core Ultra 7 270K Plus represent two distinct philosophies: a workstation-class 22-core processor built for sustained throughput versus a desktop 24-core chip focused on high-frequency responsiveness. The benchmark data reveals a clear split in their strengths, with the Xeon dominating in specific legacy workloads while the Core Ultra secures a decisive majority of wins.

Head-to-Head Benchmarks

The most dramatic disparity appears in single-threaded performance, but not in the direction one might expect from clock speeds alone. The Xeon w7-2575X crushes the Core Ultra 7 270K Plus in Cinebench R23 single-core by 156.3%, scoring 6250 versus 2439. This is echoed in Cinebench R15 single-core, where the Xeon leads 630 to 354, a 78% advantage. These are not minor margins; they represent a fundamental architectural difference in how the two chips handle single-threaded workloads, likely tied to the Xeon’s higher per-core cache allocation and different instruction scheduling.

However, the Core Ultra 7 270K Plus strikes back decisively in the more modern Cinebench R20 single-core test, winning 3453 to 2625 (-24% delta for the Xeon). This reversal suggests the Ultra 7’s higher boost clock of 5.50 GHz provides a significant edge when the workload scales with frequency, whereas the Xeon’s 4.80 GHz boost cannot compensate. The single-thread Passmark results align with the R20 outcome, with the Ultra 7 scoring 5068 versus the Xeon’s 3300, a 34.9% advantage.

Moving to multi-core, the Core Ultra 7 270K Plus takes the lead in most tests. In Cinebench R15 multi-core, it posts 6656 against the Xeon’s 4463, a 32.9% victory. The R20 multi-core test shows a similar pattern: 24461 versus 18596, a 24% margin. Passmark multi-threaded performance favors the Ultra 7 by 24% as well, with scores of 68574 versus 52091. The Ultra 7 also wins in floating-point math (229491 vs 171427, a 25.3% lead) and physics (4064 vs 2222, a 45.3% lead), indicating superior throughput in scientific and simulation workloads.

The exception to this multi-core trend is Cinebench R23 multi-core, where the Xeon narrowly edges out the Ultra 7 by 0.1%, scoring 44277 versus 44253. This is a statistical tie, but it highlights that the Xeon’s 22 cores with 44 threads can still match the Ultra 7’s 24 cores with 24 threads in certain sustained rendering workloads, despite the Ultra 7’s higher core count. In integer math, the Xeon wins decisively with 219924 against 175986, a 25% advantage, suggesting the Xeon’s architecture is better optimized for integer-heavy operations.

The Ultra 7 270K Plus dominates in data encryption, scoring 59097 versus 39295, a 33.5% lead. It also wins in prime number finding (615 vs 218, a 64.6% margin) and random string sorting (96945 vs 77986, a 19.6% lead). Data compression and extended instructions are closer, with the Ultra 7 winning by 1.8% and 1.6% respectively. Overall, the Core Ultra 7 270K Plus wins 13 of the 17 head-to-head benchmarks, while the Xeon w7-2575X claims 4.

The Verdict

The data paints a clear picture: the Intel Core Ultra 7 270K Plus is the better all-around performer for most users. It wins the majority of benchmarks, including all modern single-thread tests and the bulk of multi-threaded workloads. Its 24 cores operate at a higher base clock of 3.70 GHz and boost to 5.50 GHz, delivering superior responsiveness in applications that scale with frequency. The 33.5% lead in data encryption and 45.3% lead in physics make it the preferred choice for content creation, scientific computing, and general productivity.

The Intel Xeon w7-2575X, however, is not without its merits. Its 44 threads provide a massive advantage in heavily parallelized workloads that can utilize them, as evidenced by its integer math win (25% ahead) and the near-tie in Cinebench R23 multi-core. The Xeon also holds a significant lead in older single-threaded benchmarks like Cinebench R15, which may matter for legacy software compatibility. Its 153.6 GB/s memory bandwidth is substantially higher than the Ultra 7’s 115.2 GB/s, making it a better fit for data-intensive workstation tasks.

Pick the Core Ultra 7 270K Plus if you need the best overall performance across a wide range of benchmarks, particularly for tasks that benefit from high clock speeds and modern instruction sets. Pick the Xeon w7-2575X if you require massive thread counts for specific server or workstation workloads, or if your software relies on older single-threaded execution paths where the Xeon’s 78% lead in R15 is decisive.

Architecture Differences

The two processors are built on fundamentally different nodes and designs. The Xeon w7-2575X uses Intel’s 10 nm process (Sapphire Rapids), while the Core Ultra 7 270K Plus is fabricated on a 3 nm node by TSMC (Arrow Lake Refresh). This process difference explains the Ultra 7’s lower TDP of 125 watts versus the Xeon’s 250 watts, despite having more cores.

The Xeon features 22 cores with 44 threads, relying on Hyper-Threading to double its thread count. The Ultra 7 has 24 cores with 24 threads, indicating no hyper-threading and a simpler core topology. The Xeon’s cache hierarchy is distinct: it offers 80 KB of L1 and 2 MB of L2 per core, with a 45 MB shared L3. The Ultra 7 provides 192 KB of L1 and 3 MB of L2 per core, but only 36 MB of shared L3. The Xeon’s larger L3 and per-core L2 are likely contributors to its strong performance in R23 single-core and integer math.

Memory architecture diverges significantly. The Xeon supports quad-channel DDR5 with a theoretical bandwidth of 153.6 GB/s, while the Ultra 7 uses dual-channel DDR5 at 115.2 GB/s. Both support ECC memory, but the Xeon’s higher bandwidth is designed for server-grade data movement. PCIe connectivity also differs: the Xeon provides 64 Gen 5 lanes (CPU only), whereas the Ultra 7 offers 20 Gen 5 lanes, reflecting their respective workstation and desktop market segments.

The Ultra 7 includes integrated graphics (Arc Xe-LPG Graphics 64EU), while the Xeon has none. This makes the Ultra 7 a self-contained desktop solution, whereas the Xeon requires a discrete GPU. The Ultra 7 also has a larger transistor count at 17,800 million and a die size of 243 mm², compared to the Xeon’s unspecified metrics, indicating a more complex and dense design.

Specification Differences

The two CPUs differ across several key specification fields. The Xeon w7-2575X has 22 cores and 44 threads, while the Core Ultra 7 270K Plus has 24 cores and 24 threads. Base clocks differ: the Xeon runs at 3.00 GHz, the Ultra 7 at 3.70 GHz. Boost clocks show a larger gap, with the Xeon at 4.80 GHz and the Ultra 7 at 5.50 GHz. TDP is a major differentiator: the Xeon draws 250 watts, the Ultra 7 just 125 watts.

Socket compatibility is entirely different: the Xeon uses Intel Socket 4677, while the Ultra 7 uses Intel Socket 1851. The process node is 10 nm for the Xeon versus 3 nm for the Ultra 7, with the latter produced by TSMC. Memory bus width differs, with the Xeon supporting quad-channel and the Ultra 7 dual-channel. PCIe lane counts are 64 for the Xeon versus 20 for the Ultra 7. The Xeon has no integrated graphics, while the Ultra 7 includes Arc Xe-LPG Graphics 64EU. Release dates are also distinct, with the Xeon launching on 2024-08-23 and the Ultra 7 on 2026-03-10.

FAQ

Q: Which processor wins more head-to-head benchmarks?

A: The Intel Core Ultra 7 270K Plus wins 13 out of 17 benchmarks, while the Intel Xeon w7-2575X wins only 4.

Q: How much faster is the Xeon in Cinebench R23 single-core?

A: The Xeon w7-2575X scores 6250, which is 156.3% higher than the Core Ultra 7 270K Plus’s 2439.

Q: Is the Core Ultra 7 better at multi-threaded workloads?

A: Yes, mostly. The Ultra 7 wins Cinebench R15 multi-core by 32.9% (6656 vs 4463) and Passmark multi-thread by 24% (68574 vs 52091), but the Xeon ties in R23 multi-core with a 0.1% edge.

Q: What is the difference in memory bandwidth?

A: The Xeon w7-2575X supports quad-channel memory with 153.6 GB/s bandwidth, while the Core Ultra 7 270K Plus uses dual-channel with 115.2 GB/s.

Q: Do both processors support ECC memory?

A: Yes, both the Intel Xeon w7-2575X and the Intel Core Ultra 7 270K Plus list ECC memory support as true.

Q: What is the launch MSRP for each processor?

A: The Intel Xeon w7-2575X has a launch MSRP of $1689, while the Intel Core Ultra 7 270K Plus has a launch MSRP of $299.