Intel Core Ultra 5 245T vs Intel Xeon w3-2525 Comparison

The Intel Xeon w3-2525 and Intel Core Ultra 5 245T represent two distinct philosophies in Intel’s current lineup. The Xeon is a workstation part built for sustained throughput and platform resilience, while the Core Ultra is a desktop processor optimized for single-thread speed and power efficiency. Benchmark results show a clear split: the Core Ultra 5 245T wins the majority of head-to-head tests (14 wins versus 3 for the Xeon), yet the Xeon dominates in specific data-heavy workloads. Both chips land at the 86th percentile among all CPUs, and their average benchmark scores are remarkably close—38392 for the Xeon and 38194 for the Core Ultra—but the character of their performance is very different.

The Verdict

The data points to a straightforward conclusion for most users: the Intel Core Ultra 5 245T is the better all-round processor. It wins every Cinebench test by a consistent 8% margin, both single-core and multi-core, and extends that lead across Passmark’s integer math, physics, floating-point, encryption, and prime-number workloads. For general desktop use, content creation, and even many rendering tasks, the Core Ultra’s higher boost clock of 5.10 GHz compared to the Xeon’s 4.50 GHz translates into tangible everyday performance gains.

The Intel Xeon w3-2525 is not without its domain, however. It wins data compression by a substantial 20.4% (341629 versus 283812) and extended instructions by 26.3% (27882 versus 22071). These are not trivial margins, and they point to workloads where the Xeon’s architecture, likely its larger L3 cache per core or different instruction handling, provides a decisive edge. The Xeon also edges out the Core Ultra in random string sorting, although by a negligible 0% delta (34933 versus 34931).

Who should pick which? If your primary tasks involve heavy data compression, specialized instruction sets, or you require the platform features of a workstation—such as Quad-channel memory and 64 PCIe Gen 5 lanes—the Xeon w3-2525 is the logical choice. If you want a fast, efficient desktop CPU that wins the majority of benchmarks, including all rendering tests, the Core Ultra 5 245T is the clear winner. The Core Ultra also carries integrated graphics, which the Xeon lacks entirely, making it a more self-sufficient package for systems without a discrete GPU.

Architecture Differences

The two processors come from different foundries and process nodes. The Xeon w3-2525 is built on Intel’s 10 nm process, while the Core Ultra 5 245T uses TSMC’s 3 nm node. This process advantage likely contributes to the Core Ultra’s significantly lower TDP of 65 watts versus the Xeon’s 175 watts, despite the Core Ultra having more physical cores and a higher boost clock.

Core counts differ markedly. The Xeon has 8 cores and 16 threads, while the Core Ultra has 14 cores and 14 threads. The Core Ultra does not feature hyperthreading, meaning its 14 cores each handle a single thread, while the Xeon’s 8 cores each handle two threads. Despite the thread count being close (16 versus 14), the Core Ultra’s higher core count gives it an advantage in multi-threaded benchmarks, as seen in its consistent 8% lead in Cinebench multi-core tests.

Cache hierarchies also diverge. The Xeon has 80 KB of L1 cache per core and 2 MB of L2 per core, with a 22.5 MB L3 cache. The Core Ultra has 192 KB of L1 per core and 3 MB of L2 per core, with a 24 MB shared L3. The Core Ultra’s larger per-core caches likely contribute to its single-thread performance, which is 21.5% higher in Passmark’s single-thread test (4367 versus 3426).

Memory support is another split. The Xeon uses Quad-channel DDR5 with a theoretical bandwidth of 140.8 GB/s, while the Core Ultra uses Dual-channel DDR5 at 102.4 GB/s. The Xeon’s higher memory bandwidth is a clear workstation advantage, though the Core Ultra’s lower bandwidth is offset by its faster cores in most tests. Both support ECC memory, but the Xeon’s market segment is explicitly Server/Workstation, while the Core Ultra is a Desktop part.

Head-to-Head Benchmarks

The Core Ultra 5 245T sweeps the Cinebench series. In R15 multi-core, it scores 2641 against the Xeon’s 2430, an 8% win. R15 single-core shows 372 versus 342, also an 8.1% margin. R20 multi-core yields 11007 versus 10129 (8% lead), and R20 single-core gives 1553 versus 1429 (8%). R23 multi-core is 26208 versus 24117 (8%), and R23 single-core is 3699 versus 3404 (8%). These consistent margins suggest a fundamental per-clock advantage for the Core Ultra, likely due to its newer architecture and higher boost clock.

The Passmark suite reveals where the Xeon fights back. Data compression is the Xeon’s biggest win, scoring 341629 against the Core Ultra’s 283812, a 20.4% advantage. Extended instructions follow with 27882 versus 22071, a 26.3% lead. Random string sorting is essentially a tie at 34933 versus 34931, with the Xeon winning by a 0% delta.

The Core Ultra’s wins in Passmark are varied and often large. Data encryption shows 23656 versus 17086, a 27.8% margin. Find prime numbers is a massive 60.2% win for the Core Ultra (324 versus 129). Floating-point math favors the Core Ultra at 108499 versus 68230, a 37.1% lead. Integer math is closer at 88676 versus 83806 (5.5%). Multithread scores 30833 versus 28373 (8%). Physics favors the Core Ultra at 2278 versus 1901 (16.5%). Single-thread is a clear 21.5% win for the Core Ultra at 4367 versus 3426.

FAQ

Q: Which processor has a higher multi-core performance in Cinebench R23?

A: The Intel Core Ultra 5 245T scores 26208 in Cinebench R23 multi-core, which is 8% higher than the Intel Xeon w3-2525’s score of 24117.

Q: Does the Xeon w3-2525 win any benchmark by a significant margin?

A: Yes, the Xeon wins Passmark data compression by 20.4% (341629 versus 283812) and extended instructions by 26.3% (27882 versus 22071).

Q: What is the difference in single-thread performance?

A: The Core Ultra 5 245T is 21.5% faster in Passmark single-thread, scoring 4367 compared to the Xeon’s 3426.

Q: Which processor supports more PCIe lanes?

A: The Intel Xeon w3-2525 supports 64 PCIe Gen 5 lanes (CPU only), while the Core Ultra 5 245T supports 20 lanes (CPU only).

Q: Do both processors support ECC memory?

A: Yes, both the Xeon w3-2525 and the Core Ultra 5 245T list ECC memory support as true.

Q: How do their average benchmark scores compare?

A: The Xeon has an average benchmark score of 38392, while the Core Ultra scores 38194. The Xeon’s score is slightly higher, and it is 0.1% ahead of the Intel Core 9 270H, which is its nearest rival at 38335.

Where Each One Wins

The Intel Core Ultra 5 245T is the winner in rendering and general compute tasks. It takes all six Cinebench tests, covering both single-core and multi-core workloads. In the Passmark suite, it wins data encryption, find prime numbers, floating-point math, integer math, multithread, physics, and single-thread. This makes it the preferred choice for 3D rendering, video encoding, and any application that relies heavily on floating-point calculations or single-thread responsiveness.

The Intel Xeon w3-2525 carves out a smaller but specialized niche. Its wins in data compression and extended instructions are significant, with margins above 20%. For workloads that involve heavy data archiving, compression algorithms, or specialized instruction sets, the Xeon’s performance advantage is substantial. Its random string sorting win is negligible at 0%, but it still counts as a victory.

The Xeon’s platform features also give it a use-case edge beyond raw benchmark scores. With Quad-channel memory and 64 PCIe Gen 5 lanes, it is designed for systems that need high memory bandwidth and extensive I/O connectivity. The Core Ultra, with its Dual-channel memory and 20 PCIe lanes, is more suited to a standard desktop configuration. The Xeon’s 175 watt TDP and workstation socket also suggest it is intended for systems that prioritize throughput over power efficiency.

Specification Differences

The two processors differ on nearly every major specification. The Xeon w3-2525 has 8 cores and 16 threads, while the Core Ultra 5 245T has 14 cores and 14 threads. The Xeon’s base clock is 3.50 GHz, versus the Core Ultra’s 2.20 GHz, but the Core Ultra boosts to 5.10 GHz, exceeding the Xeon’s 4.50 GHz boost. TDP is a major difference: 175 watts for the Xeon versus 65 watts for the Core Ultra.

Process node and foundry differ, with the Xeon on Intel’s 10 nm and the Core Ultra on TSMC’s 3 nm. The Core Ultra also has a transistor count of 17,800 million and a die size of 243 mm², while the Xeon’s figures are not listed. Cache sizes favor the Core Ultra in per-core terms: 192 KB L1 and 3 MB L2 per core versus 80 KB and 2 MB for the Xeon. The L3 cache is similar, with the Xeon at 22.5 MB and the Core Ultra at 24 MB shared.

Memory configuration is another split. The Xeon uses Quad-channel DDR5 with 140.8 GB/s bandwidth, while the Core Ultra uses Dual-channel DDR5 at 102.4 GB/s. PCIe lanes differ drastically: 64 Gen 5 lanes for the Xeon versus 20 for the Core Ultra. The Xeon has no integrated graphics, while the Core Ultra includes Arc Xe-LPG Graphics 64EU. The Xeon uses Socket 4677, and the Core Ultra uses Socket 1851. The Xeon’s launch MSRP is $609, while the Core Ultra’s is $270. Neither processor has an unlocked multiplier. The Xeon was released on 2024-08-23, and the Core Ultra on 2025-01-06.