Intel Core Ultra 5 336H vs Intel Xeon 6353P Comparison

FAQ

Q: Which processor wins the majority of direct benchmark comparisons?

A: The Intel Core Ultra 5 336H wins 13 of the 17 recorded head-to-head tests, while the Intel Xeon 6353P wins 4. The margin is decisive in several workloads, though the Xeon takes specific integer and single-thread tests.

Q: How do the two compare in average benchmark score?

A: The Core Ultra 5 336H records an average benchmark score of 34485, while the Xeon 6353P records 33844. The database places the Ultra 5 about 0.2% ahead of the Intel Core i7-13700HX, and the Xeon about 0.1% behind the Intel Core i7-12800HX. Both sit at the 84th percentile among all CPUs.

Q: Are these processors aimed at the same market segment?

A: No. The Core Ultra 5 336H is a Mobile processor with integrated Intel Xe3 Graphics, while the Xeon 6353P is a Server/Workstation part with no integrated graphics. The Xeon also supports ECC memory, and the Ultra 5 does not.

Q: What are the core and thread counts of each chip?

A: The Core Ultra 5 336H has 16 cores and 16 threads. The Xeon 6353P has 8 cores and 16 threads. Both use a dual-channel memory bus, but the Ultra 5 supports DDR5 and LPDDR5X, while the Xeon supports DDR4 and DDR5.

Q: Which chip has the higher boost clock, and does that translate into a single-thread win?

A: The Xeon 6353P boosts to 5.40 GHz, well above the Ultra 5's 4.60 GHz. In PassMark single-thread testing, the Xeon scores 4226 versus 4013 for the Ultra 5, a 5% advantage. However, in Cinebench R23 single-core, the Ultra 5 wins 3387 to 3114, an 8.8% lead.

Q: Is there a notable difference in process node and die size?

A: Yes. The Core Ultra 5 336H is built on Intel's 3 nm process, while the Xeon 6353P uses Intel's 10 nm process. The Xeon has a recorded die size of 257 mm², while the Ultra 5's die size is not listed in the database.

Architecture Differences

The two processors come from different Intel families and are built for different physical environments. The Core Ultra 5 336H is part of the Core Ultra Series 3, using the Panther Lake architecture (Panther Lake-H generation) on a 3 nm node. It is a mobile part, socketed as Intel BGA 2540, with a 25 W TDP. The Xeon 6353P is a Raptor Lake-R part, belonging to the Xeon 6 generation, fabricated on a 10 nm node. It uses Intel Socket 1700 and carries a 65 W TDP, reflecting its server/workstation positioning.

Cache layouts differ significantly. The Ultra 5 allocates 192 KB of L1 per core and 2.5 MB of L2 per core, with 18 MB of shared L3. The Xeon has smaller per-core allocations: 80 KB of L1 and 2 MB of L2, but a larger 24 MB shared L3. For workloads that rely on large shared pools of cache, the Xeon's 24 MB L3 may be the more relevant resource, while the Ultra 5's larger per-core L2 could benefit single-core bursts.

Memory support also diverges. Both support dual-channel memory, but the Ultra 5 lists DDR5 and LPDDR5X, with a measured memory bandwidth of 115.2 GB/s. The Xeon supports DDR4 and DDR5, but the database does not record a bandwidth figure. The Xeon supports ECC memory, a standard requirement for server reliability; the Ultra 5 does not.

PCIe connectivity differs in lane count: the Ultra 5 provides Gen 5 with 12 CPU lanes, while the Xeon provides Gen 5 with 16 CPU lanes. The Ultra 5 integrates Intel Xe3 Graphics, making it a self-contained mobile solution, while the Xeon has no integrated graphics and requires a discrete GPU for any display output.

Head-to-Head Benchmarks

The Cinebench suite is a clean sweep for the Core Ultra 5 336H. In R15 multicore, the Ultra 5 posts 2418 against 2223 for the Xeon, an 8.8% win. R15 single-core goes to the Ultra 5 by 8.9% (341 vs. 313). R20 multicore shows the same 8.8% margin (10076 vs. 9264), and R20 single-core repeats the 8.8% edge (1422 vs. 1307). R23 multicore yields 23991 for the Ultra 5 versus 22058 for the Xeon, again 8.8%. R23 single-core gives the Ultra 5 a 3387 to 3114 win, another 8.8%. The consistency of the delta across all six Cinebench tests suggests a stable architectural advantage in render-style workloads, likely tied to the Ultra 5's 16 physical cores versus the Xeon's 8 cores with hyper-threading.

PassMark results are more divided. The Xeon wins data compression: 285581 to 280340, a 1.8% margin. The Xeon also takes integer math decisively, scoring 86836 against 62070 for the Ultra 5, a 28.5% lead. In PassMark single-thread (and the mirrored singlethread test), the Xeon wins 4226 to 4013, a 5% advantage. Those four wins for the Xeon are meaningful for server-style integer and compression tasks.

Everywhere else, the Ultra 5 is dominant. Data encryption shows a 39.8% margin (21291 vs. 15228). Extended instructions go 24542 to 18311, a 34% lead. Prime number finding is the largest gap: 299 for the Ultra 5 versus 127 for the Xeon, a 135.4% advantage. Floating point math favors the Ultra 5 by 29.8% (82415 vs. 63509). Multithread performance gives the Ultra 5 a 10% win (28545 vs. 25951). Physics simulation is a 45.4% margin (2682 vs. 1845). Random string sorting is 10.2% in favor of the Ultra 5 (34402 vs. 31226).

The overall pattern is clear: the Ultra 5 wins in encryption, extended instructions, prime search, floating point, physics, multithread, and sorting. The Xeon wins in integer math, data compression, and raw single-thread PassMark. The Cinebench suite, which is heavily multithreaded and render-oriented, belongs entirely to the Ultra 5.

The Verdict

Choose the Intel Core Ultra 5 336H if your work involves rendering, encryption, floating-point math, physics simulation, or any mixed multithreaded load. It wins 13 of 17 direct comparisons, including every Cinebench test, and it does so while drawing 25 W compared to the Xeon's 65 W. The Ultra 5 also brings integrated graphics and a newer 3 nm process, which makes it the practical pick for a mobile workstation or a compact system.

Choose the Intel Xeon 6353P if your workload is dominated by integer math, data compression, or single-threaded PassMark tasks. Its 28.5% lead in integer math and 1.8% lead in data compression are real, and its 5.40 GHz boost clock supports its single-thread PassMark win. The Xeon also offers ECC memory support and 16 PCIe Gen 5 lanes, which matter in a server context. Its larger 24 MB L3 cache and 257 mm² die are part of a more server-oriented design.

The database does not declare an overall winner, but the scoreboard favors the Ultra 5 by a wide margin. The Xeon is not a bad chip; it is a specialized one. The Ultra 5 is the more balanced performer across the recorded benchmark suite.

Specification Differences

• Cores: Intel Core Ultra 5 336H: 16; Intel Xeon 6353P: 8
• Threads: Both have 16
• Base Clock: 1.90 GHz vs. 2.70 GHz
• Boost Clock: 4.60 GHz vs. 5.40 GHz
• TDP: 25 W vs. 65 W
• Socket: Intel BGA 2540 vs. Intel Socket 1700
• Architecture: Panther Lake vs. Raptor Lake
• Process Node: 3 nm vs. 10 nm
• Die Size: Not listed vs. 257 mm²
• L1 Cache: 192 KB per core vs. 80 KB per core
• L2 Cache: 2.5 MB per core vs. 2 MB per core
• L3 Cache: 18 MB shared vs. 24 MB shared
• Memory Support: DDR5, LPDDR5X vs. DDR4, DDR5
• Memory Bandwidth: 115.2 GB/s vs. Not listed
• ECC Memory: No vs. Yes
• PCIe: Gen 5, 12 lanes vs. Gen 5, 16 lanes
• Integrated Graphics: Intel Xe3 Graphics vs. N/A
• Market Segment: Mobile vs. Server/Workstation
• Release Date: 2026-01-04 vs. 2025-02-23
• Launch MSRP: Not listed vs. $426

Where Each One Wins

Intel Core Ultra 5 336H wins in: Cinebench R15 multicore (8.8%), R15 single-core (8.9%), R20 multicore (8.8%), R20 single-core (8.8%), R23 multicore (8.8%), R23 single-core (8.8%), data encryption (39.8%), extended instructions (34%), prime number finding (135.4%), floating point math (29.8%), multithread (10%), physics (45.4%), and random string sorting (10.2%). This is the chip for render farms, scientific computing, encryption workloads, and any task that scales with many physical cores.

Intel Xeon 6353P wins in: data compression (1.8%), integer math (28.5%), PassMark single-thread (5%), and the mirrored singlethread test (5%). This is the chip for integer-heavy server code, compression pipelines, and workloads that respond to a very high boost clock rather than core count. Its ECC memory support and 16 PCIe Gen 5 lanes also make it the more appropriate choice for a reliability-focused server build, even if its benchmark win count is lower.