AMD Ryzen Threadripper 9960X vs Intel Core Ultra 9 386H Comparison

The AMD Ryzen Threadripper 9960X and Intel Core Ultra 9 386H occupy opposite ends of the processor spectrum. The Threadripper is a 24-core, 48-thread desktop workstation part built for massive parallel workloads, while the Core Ultra 9 386H is a 16-core, 16-thread mobile processor designed for thin-and-light systems. The database shows a stark divide in their intended usage cases, with the Threadripper delivering raw multi-core muscle and the Intel part compensating with a high single-thread score relative to its power envelope. Benchmark data for the Threadripper is absent from the database, so all numeric comparisons rely on the Intel part’s recorded scores and its position among rivals.

The Verdict

The data supports a clear split. The AMD Ryzen Threadripper 9960X is the choice for desktop users who need 24 cores, 48 threads, and 128 MB of L3 cache for rendering, compilation, or simulation workloads. Its 350 W TDP and quad-channel DDR5 memory interface indicate a system built for sustained throughput, not portability. The Intel Core Ultra 9 386H, by contrast, is a mobile processor with a 25 W TDP and integrated Intel Xe3 Graphics, making it suitable for laptops where space and thermals are constrained. Its recorded benchmarks show a strong single-thread performance profile, with a Cinebench R23 single-core score of 2071.5 and a Passmark single-thread score of 4218. The Threadripper has no benchmark entries in the database, so its absolute performance cannot be quantified here. However, the architectural data, 24 cores versus 16, 48 threads versus 16, and 128 MB versus 18 MB of L3 cache, indicates the AMD part is designed to dominate multi-threaded tasks, while the Intel part targets responsiveness and efficiency in a mobile context.

Architecture Differences

The two processors share almost nothing in design philosophy. The AMD Ryzen Threadripper 9960X uses the Zen 5 architecture, codenamed Shimada Peak, built on a 4 nm process at TSMC. It contains 33,260 million transistors across a die size of 4x 70.6 mm². The Intel Core Ultra 9 386H uses the Panther Lake architecture, also codenamed Panther Lake, built on a 3 nm process at Intel. The Threadripper has 24 cores and 48 threads, while the Intel part has 16 cores and 16 threads. The Intel processor does not support simultaneous multithreading based on its thread count matching its core count.

Cache hierarchies diverge significantly. The Threadripper offers 64 KB of L1 per core, 1 MB of L2 per core, and 128 MB of L3 cache. The Intel part offers 192 KB of L1 per core, 2.5 MB of L2 per core, and 18 MB of shared L3 cache. The Threadripper’s 128 MB of L3 is more than seven times the Intel part’s 18 MB, a difference that matters for workloads with large working sets. The Intel part’s larger per-core L1 and L2 caches, 192 KB and 2.5 MB respectively, may help with latency-sensitive single-threaded code.

Memory support also differs. The Threadripper uses DDR5 with a quad-channel memory bus and 204.8 GB/s of bandwidth, plus ECC memory support. The Intel part supports both DDR5 and LPDDR5X, but only a dual-channel bus with 115.2 GB/s of bandwidth, and it does not support ECC. PCIe lanes show a similar gap: the Threadripper provides Gen 5 with 80 lanes (CPU only), while the Intel part provides Gen 5 with 12 lanes (CPU only). The Threadripper has no integrated graphics, while the Intel part includes Intel Xe3 Graphics.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark results between these two processors, and no benchmark scores for the AMD Ryzen Threadripper 9960X. All recorded scores belong to the Intel Core Ultra 9 386H. In Cinebench R15, the Intel part scores 3223 in multicore and 303.5 in singlecore. In Cinebench R20, it scores 12820 in multicore and 1809 in singlecore. In Cinebench R23, it scores 20547 in multicore and 2071.5 in singlecore.

Passmark results for the Intel part cover a range of workloads. The multithread score is 35399, while the single-thread score is 4218. Integer math scores 87284, floating point math scores 108527, and extended instructions score 29138. Data compression scores 352365, data encryption scores 27150, physics scores 3028, and random string sorting scores 42135. Find prime numbers scores 341. These figures place the Intel processor at the 88th percentile among all CPUs in the database, with an average benchmark score of 43210.

The nearest rivals for the Intel part, based on average score, are the AMD Ryzen AI Max PRO 385 with an average score of 43326 and a delta of -0.3 percent, the AMD Ryzen AI 9 465 with 43431 and a delta of -0.5 percent, the Intel Core i9-12900 with 42906 and a delta of 0.7 percent, and the Intel Core i9-12900KF with 42830 and a delta of 0.9 percent. The data shows the Core Ultra 9 386H sits within one percent of all four rivals, indicating it is competitively positioned against both older high-end desktop chips and recent mobile processors.

For the Threadripper, the absence of benchmark data means no scores or rival comparisons are available. Its specification sheet, however, indicates a design goal of maximum multi-threaded throughput, and the 24-core, 48-thread configuration would place it far above the Intel part in heavily parallel tests if data were recorded. The Intel part’s Cinebench R23 multicore score of 20547 is substantial for a 25 W mobile chip, but a 48-thread desktop processor with 204.8 GB/s of memory bandwidth would be expected to exceed that by a wide margin, based on the core and thread count alone.

FAQ

Q: Which processor has more cores and threads?

A: The AMD Ryzen Threadripper 9960X has 24 cores and 48 threads. The Intel Core Ultra 9 386H has 16 cores and 16 threads.

Q: What are the cache sizes for each processor?

A: The Threadripper has 64 KB of L1 per core, 1 MB of L2 per core, and 128 MB of L3 cache. The Intel part has 192 KB of L1 per core, 2.5 MB of L2 per core, and 18 MB of shared L3 cache.

Q: Do both processors support ECC memory?

A: No. The AMD Ryzen Threadripper 9960X supports ECC memory. The Intel Core Ultra 9 386H does not.

Q: Which processor has integrated graphics?

A: The Intel Core Ultra 9 386H includes Intel Xe3 Graphics. The AMD Ryzen Threadripper 9960X has no integrated graphics, listed as N/A.

Q: What is the memory bandwidth of each processor?

A: The Threadripper has a quad-channel DDR5 memory bus with 204.8 GB/s of bandwidth. The Intel part has a dual-channel DDR5 or LPDDR5X bus with 115.2 GB/s of bandwidth.

Q: How does the Intel Core Ultra 9 386H compare to its nearest rivals?

A: The Intel part has an average benchmark score of 43210. It trails the AMD Ryzen AI Max PRO 385 by 0.3 percent and the AMD Ryzen AI 9 465 by 0.5 percent, and it leads the Intel Core i9-12900 by 0.7 percent and the Intel Core i9-12900KF by 0.9 percent.

Where Each One Wins

The AMD Ryzen Threadripper 9960X wins in scenarios that demand parallel processing. Its 24 cores and 48 threads provide double the thread count of the Intel part. The 128 MB of L3 cache is suited for datasets that exceed the 18 MB shared cache of the Intel processor. The quad-channel memory interface with 204.8 GB/s of bandwidth delivers nearly double the memory throughput of the Intel part’s 115.2 GB/s. The 80 PCIe Gen 5 lanes allow for multiple high-bandwidth expansion cards, while the Intel part offers only 12 lanes. ECC memory support makes the Threadripper appropriate for error-sensitive computing environments. The 350 W TDP, while high, indicates the processor is built for sustained multi-core loads in a desktop workstation.

The Intel Core Ultra 9 386H wins in mobile and efficiency-driven scenarios. Its 25 W TDP is a fraction of the Threadripper’s 350 W, enabling use in laptops with limited cooling. The integrated Intel Xe3 Graphics removes the need for a discrete GPU in basic display tasks. The dual-channel memory support for both DDR5 and LPDDR5X provides flexibility for system designers. The recorded single-thread scores, 2071.5 in Cinebench R23 and 4218 in Passmark, show strong per-core performance, which benefits everyday responsiveness and lightly threaded applications. The 88th percentile ranking among all CPUs in the database indicates that, despite its mobile positioning, the Intel part outperforms the majority of recorded processors.

Specification Differences

The two processors differ on nearly every specification. The AMD Ryzen Threadripper 9960X belongs to the 9000 series and uses the Zen 5 architecture with the codename Shimada Peak. It has 24 cores, 48 threads, a base clock of 4.20 GHz, and a boost clock of 5.30 GHz. Its TDP is 350 W, and it uses AMD Socket sTR5. It is built on a 4 nm process at TSMC with 33,260 million transistors and a die size of 4x 70.6 mm². The Intel Core Ultra 9 386H belongs to the Core Ultra Series 3 and uses the Panther Lake architecture. It has 16 cores, 16 threads, a base clock of 2.10 GHz, and a boost clock of 4.90 GHz. Its TDP is 25 W, and it uses Intel BGA 2540. It is built on a 3 nm process at Intel.

The Threadripper has a release date of 2025-07-29 and a launch MSRP of $1499. The Intel part has a release date of 2026-01-04 and no launch MSRP recorded. The Threadripper has an unlocked multiplier, while the Intel part does not. The Threadripper’s part number is 100-000001595, and the Intel part’s is SA4R5Q9EH. The Threadripper is marked for the Desktop market segment, while the Intel part is marked for Mobile. Both have an Active production status.

The Threadripper supports DDR5 memory with a quad-channel bus and 204.8 GB/s bandwidth. The Intel part supports DDR5 and LPDDR5X with a dual-channel bus and 115.2 GB/s bandwidth. The Threadripper supports ECC memory; the Intel part does not. The Threadripper provides PCIe Gen 5 with 80 lanes, while the Intel part provides PCIe Gen 5 with 12 lanes. The Threadripper has no integrated graphics; the Intel part has Intel Xe3 Graphics. The Threadripper’s L1 cache is 64 KB per core, its L2 is 1 MB per core, and its L3 is 128 MB. The Intel part’s L1 is 192 KB per core, its L2 is 2.5 MB per core, and its L3 is 18 MB shared. The Threadripper’s base clock of 4.20 GHz is higher than the Intel part’s 2.10 GHz, and its boost clock of 5.30 GHz exceeds the Intel part’s 4.90 GHz.