AMD Ryzen 9 9955HX3D vs Intel Core Ultra X7 368H Comparison

The AMD Ryzen 9 9955HX3D and Intel Core Ultra X7 368H represent two distinct approaches to high-end mobile computing. The recorded data shows a clear split between multi-threaded dominance for the AMD part and single-thread leadership for the Intel part. Across the head-to-head benchmark suite, the AMD Ryzen 9 9955HX3D secures 13 wins, while the Intel Core Ultra X7 368H takes 2.

Head-to-Head Benchmarks

The most decisive victories for the AMD Ryzen 9 9955HX3D come in throughput-heavy workloads. In PassMark integer math, the AMD part scores 222503 against 88083 for the Intel chip, a delta of 152.6%. Data compression shows a similar gap, with the AMD processor at 785811 versus 312927, representing a 151.1% advantage. Extended instructions also favor the AMD chip heavily, with a score of 62813 compared to 25669, a 144.7% difference. These results indicate that the AMD processor delivers more than double the raw integer and compression throughput in the database's measurements.

Cinebench multi-core results reinforce this pattern. In Cinebench R23 multi-core, the AMD Ryzen 9 9955HX3D scores 38161.5 against 28221 for the Intel Core Ultra X7 368H, a 35.2% lead. The older Cinebench R15 multi-core test shows an even larger gap: 6042.5 versus 2844, which translates to a 112.5% advantage for the AMD part. PassMark multithread also favors AMD, with a score of 62674 versus 32956, a 90.2% delta. The AMD processor's 32 threads, double the Intel part's 16 threads, are the obvious driver behind these multi-threaded results.

The AMD chip also wins in several other computational tasks. PassMark floating point math shows a 36.4% advantage, with scores of 144122 and 105681. Random string sorting favors AMD at 83497 versus 38093, a 119.2% delta. Data encryption shows a 56.4% lead, with 39446 versus 25228. Find prime numbers and physics tests also go to AMD, with deltas of 63.6% and 64.1% respectively. Even in single-thread PassMark tests, the AMD part wins: 4511 versus 4005, a 12.6% margin, although this is the narrowest of its victories.

The Intel Core Ultra X7 368H claims its wins in Cinebench single-core tests. In Cinebench R23 single-core, Intel scores 3984 against 2159.5 for AMD, a 45.8% advantage. Cinebench R15 single-core shows a similar story: 401 versus 332, a 17.2% lead for Intel. This suggests that the Intel architecture has a significant edge in lightly threaded, short-duration render tasks, despite losing the PassMark single-thread comparison. The data shows a clear trade-off: Intel wins the Cinebench single-core tests by a wide margin, but AMD wins the PassMark single-thread test.

The Verdict

The benchmark results indicate that the AMD Ryzen 9 9955HX3D is the stronger processor for multi-threaded and compute-intensive workloads. Its 35.2% lead in Cinebench R23 multi-core and 90.2% lead in PassMark multithread make it the clear choice for tasks that scale with thread count. The AMD part also holds a 12.6% advantage in PassMark single-thread, which gives it a broader overall performance profile. Its average benchmark score of 97453 places it at the 96th percentile of all CPUs, and it sits within 1.1% of the AMD Ryzen Threadripper PRO 5965WX, a high-end desktop workstation part.

The Intel Core Ultra X7 368H, with an average benchmark score of 40518, sits at the 87th percentile. Its nearest rival is the Intel Core 7 253PE, which is only 0.1% behind. The Intel part's Cinebench R23 single-core result of 3984 is its standout metric, and it leads the AMD chip by 45.8% in that specific test. For scenarios where single-thread Cinebench performance is the priority, the Intel part has a measurable advantage. However, its lower multi-thread scores, including a 35.2% deficit in Cinebench R23 multi-core, limit its appeal for heavily parallel workloads.

From the data, the AMD Ryzen 9 9955HX3D is the better all-around performer, winning the majority of recorded benchmarks and holding a higher percentile ranking. The Intel Core Ultra X7 368H is the better choice only when Cinebench single-core performance is the deciding factor. The data does not show any other workload where the Intel part outperforms the AMD chip.

Architecture Differences

The two processors use fundamentally different architectures. The AMD Ryzen 9 9955HX3D is built on Zen 5 architecture with the Fire Range codename, part of the 9000 series. It uses a 4 nm process node from TSMC. The Intel Core Ultra X7 368H uses Panther Lake architecture with the Panther Lake codename, part of the Core Ultra Series 3. It uses a 3 nm process node from Intel.

Cache configurations differ substantially. The AMD part has 80 KB of L1 cache per core, 1 MB of L2 cache per core, and 128 MB of L3 cache. The Intel part has 192 KB of L1 cache per core, 2.5 MB of L2 cache per core, and 18 MB of shared L3 cache. The AMD processor's 128 MB L3 cache is more than seven times larger than the Intel part's 18 MB, which contributes to its strong data compression and encryption results.

Memory support also differs. The AMD chip supports DDR5 memory with dual-channel configuration and a memory bandwidth of 89.6 GB/s. The Intel chip supports LPDDR5X memory with dual-channel configuration and a memory bandwidth of 153.6 GB/s. The Intel part has higher memory bandwidth, which may explain its strong Cinebench single-core performance, but it does not overcome the AMD part's multi-thread advantages.

PCIe lane counts differ as well. The AMD processor provides Gen 5 with 28 CPU-only lanes, while the Intel processor provides Gen 5 with 4 CPU-only lanes. The AMD part also supports ECC memory, while the Intel part does not. The AMD chip has an unlocked multiplier, while the Intel chip does not. The integrated graphics differ: the AMD part uses Radeon 610M, and the Intel part uses Arc B390.

Specification Differences

The core and thread counts are the most significant specification difference. Both processors have 16 cores, but the AMD Ryzen 9 9955HX3D has 32 threads, while the Intel Core Ultra X7 368H has 16 threads. This doubling of thread count is the primary reason for the AMD part's multi-thread dominance.

Clock speeds differ. The AMD part has a base clock of 2.50 GHz and a boost clock of 5.40 GHz. The Intel part has a base clock of 2.00 GHz and a boost clock of 5.00 GHz. The AMD chip runs at higher clock speeds in both metrics.

Thermal design power differs. The AMD part has a TDP of 55, while the Intel part has a TDP of 25. The Intel chip has a significantly lower TDP, which may be relevant for thermal management in thin chassis, but the data does not include thermal measurements.

Sockets differ. The AMD part uses AMD Socket FL1, and the Intel part uses Intel BGA 2540. Release dates differ: the AMD part was released on 2025-01-05, and the Intel part was released on 2026-01-04. The process node differs: 4 nm for AMD and 3 nm for Intel. The Intel part's transistor count and die size are not recorded in the database, while the AMD part has 16,630 million transistors and a die size of 2x 70.6 mm². The part numbers differ: 100-000001030 for AMD and SA4R7Q9EJ for Intel.

FAQ

Q: Which processor has more threads?

A: The AMD Ryzen 9 9955HX3D has 32 threads, while the Intel Core Ultra X7 368H has 16 threads. Both have 16 cores.

Q: How does the AMD processor perform in Cinebench R23 multi-core?

A: The AMD Ryzen 9 9955HX3D scores 38161.5 in Cinebench R23 multi-core, which is 35.2% ahead of the Intel Core Ultra X7 368H's score of 28221.

Q: Does the Intel processor win any benchmarks?

A: Yes, the Intel Core Ultra X7 368H wins Cinebench R15 single-core and Cinebench R23 single-core. It scores 401 in R15 single-core and 3984 in R23 single-core, leading the AMD part by 17.2% and 45.8% respectively.

Q: What is the memory bandwidth difference?

A: The Intel Core Ultra X7 368H has a memory bandwidth of 153.6 GB/s with LPDDR5X support. The AMD Ryzen 9 9955HX3D has a memory bandwidth of 89.6 GB/s with DDR5 support.

Q: Which processor has a larger L3 cache?

A: The AMD Ryzen 9 9955HX3D has 128 MB of L3 cache. The Intel Core Ultra X7 368H has 18 MB of shared L3 cache.

Q: What are the TDP values for each processor?

A: The AMD Ryzen 9 9955HX3D has a TDP of 55. The Intel Core Ultra X7 368H has a TDP of 25.