AMD Ryzen 9 9955HX3D vs Intel Arc G3 Comparison

FAQ

Q: How does the AMD Ryzen 9 9955HX3D compare to the Intel Arc G3 in terms of core and thread counts?

A: The AMD Ryzen 9 9955HX3D has 16 cores and 32 threads, while the Intel Arc G3 has 14 cores and 14 threads. The AMD part offers simultaneous multithreading, effectively doubling its thread count, whereas the Intel part does not.

Q: What are the process nodes for each processor?

A: The AMD Ryzen 9 9955HX3D is built on a 4 nm process by TSMC, while the Intel Arc G3 uses Intel's 3 nm process.

Q: Which processor has a larger L3 cache?

A: The AMD Ryzen 9 9955HX3D has 128 MB of L3 cache, while the Intel Arc G3 has 18 MB of shared L3 cache. The AMD processor's L3 cache is significantly larger.

Q: What type of memory does each processor support?

A: The AMD Ryzen 9 9955HX3D supports DDR5 memory, while the Intel Arc G3 supports LPDDR5X memory. Both are dual-channel configurations.

Q: What is the memory bandwidth difference between the two?

A: The Intel Arc G3 has a memory bandwidth of 136.5 GB/s, which is higher than the AMD Ryzen 9 9955HX3D's 89.6 GB/s.

Q: Are both processors unlocked for overclocking?

A: No. The AMD Ryzen 9 9955HX3D has an unlocked multiplier, while the Intel Arc G3 does not.

Where Each One Wins

The benchmark data shows a clear split between the two processors. The AMD Ryzen 9 9955HX3D dominates in every recorded performance category, but the Intel Arc G3 holds advantages in specific architectural and platform characteristics that are not captured by raw compute benchmarks.

The AMD Ryzen 9 9955HX3D wins on all recorded benchmark scores. Its performance is driven by a higher core count (16 vs. 14), a higher boost clock (5.40 GHz vs. 4.60 GHz), and a much larger L3 cache (128 MB vs. 18 MB). The data shows the AMD part also has a higher base clock at 2.50 GHz compared to 1.90 GHz for the Intel part. In the database, the AMD processor ranks at the 96th percentile among all CPUs, while the Intel Arc G3 sits at the 50th percentile.

The Intel Arc G3 wins in areas that favor its platform design. It offers a higher memory bandwidth at 136.5 GB/s compared to 89.6 GB/s for the AMD part. It also uses a more advanced process node at 3 nm versus 4 nm, and it has a lower thermal design power at 25 W versus 55 W. The Intel part's integrated graphics, Arc B370, differ from the AMD part's Radeon 610M, though no benchmark scores are recorded for either iGPU.

For workloads that depend heavily on memory throughput, such as certain data streaming or latency-sensitive tasks, the Intel Arc G3's higher memory bandwidth could provide an edge. For compute-heavy workloads like rendering, encryption, and physics simulation, the AMD Ryzen 9 9955HX3D is the clear winner based on the recorded data.

Architecture Differences

The two processors use fundamentally different architectures. The AMD Ryzen 9 9955HX3D is based on Zen 5 architecture with the codename Fire Range, and it belongs to the Ryzen 9 series within the 9000 series family. The Intel Arc G3 is based on Panther Lake, belongs to the Arc G3 generation, and does not have a listed architecture name.

The process nodes differ. AMD uses TSMC's 4 nm process, while Intel uses its own 3 nm process. The AMD part has 16,630 million transistors spread across a die size of 2x 70.6 mm². The Intel part does not have listed transistor count or die size data.

The cache hierarchies are structured differently. The AMD Ryzen 9 9955HX3D uses 80 KB of L1 cache per core and 1 MB of L2 cache per core, with a massive 128 MB of L3 cache. The Intel Arc G3 uses 192 KB of L1 cache per core and 2.5 MB of L2 cache per core, with 18 MB of shared L3 cache. The per-core L1 and L2 caches are larger on the Intel part, but the total L3 cache is far larger on the AMD part.

Memory support also differs. The AMD processor uses DDR5 memory, while the Intel processor uses LPDDR5X memory. Both are dual-channel, but the Intel part has a higher memory bandwidth at 136.5 GB/s versus 89.6 GB/s.

The PCIe configurations are notably different. The AMD Ryzen 9 9955HX3D supports Gen 5 with 28 lanes (CPU only), while the Intel Arc G3 supports Gen 5 with 4 lanes (CPU only). The AMD part provides significantly more PCIe lanes.

ECC memory support is present on the AMD Ryzen 9 9955HX3D but not on the Intel Arc G3. The AMD part also has an unlocked multiplier, whereas the Intel part is locked.

Specification Differences

The recorded specifications show several key differences between the two processors.

Core and thread counts: AMD has 16 cores and 32 threads; Intel has 14 cores and 14 threads.

Clock speeds: AMD has a base clock of 2.50 GHz and a boost clock of 5.40 GHz; Intel has a base clock of 1.90 GHz and a boost clock of 4.60 GHz.

Thermal design power: AMD is rated at 55 W; Intel is rated at 25 W.

Socket: AMD uses AMD Socket FL1; Intel uses Intel BGA 2540.

Process node: AMD uses 4 nm (TSMC); Intel uses 3 nm (Intel foundry).

Cache: AMD has 80 KB L1 per core, 1 MB L2 per core, and 128 MB L3; Intel has 192 KB L1 per core, 2.5 MB L2 per core, and 18 MB shared L3.

Memory: AMD supports DDR5 at 89.6 GB/s; Intel supports LPDDR5X at 136.5 GB/s. Both are dual-channel.

ECC memory: AMD supports it; Intel does not.

PCIe: AMD has Gen 5 with 28 lanes (CPU only); Intel has Gen 5 with 4 lanes (CPU only).

Integrated graphics: AMD uses Radeon 610M; Intel uses Arc B370.

Multiplier unlock: AMD is unlocked; Intel is locked.

Release dates: AMD was released on 2025-01-05; Intel was released on 2026-05-27.

Part numbers: AMD is 100-000001030; Intel is SA4QZ.

The Intel Arc G3 does not have listed data for series, architecture, transistors, or die size, while the AMD part has all of these fields populated.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark results between the AMD Ryzen 9 9955HX3D and the Intel Arc G3. The head-to-head benchmark array is empty, and the wins counter shows 0 for both processors. The Intel Arc G3 also has no individual benchmark scores recorded in its profile.

The AMD Ryzen 9 9955HX3D, however, has a full set of benchmark scores. In Cinebench R23 multicore, it scores 38161.5, and in single-core it scores 2159.5. In Cinebench R15, it scores 6042.5 in multicore and 332 in single-core. PassMark results include a multithread score of 62674, a single-thread score of 4511, integer math at 222503, floating point math at 144122, data compression at 785811, data encryption at 39446, extended instructions at 62813, find prime numbers at 525, random string sorting at 83497, and physics at 4687.

The average benchmark score for the AMD part is 97453. Its nearest rivals in the database are the AMD Ryzen Threadripper PRO 5965WX with an average score of 98504 (a 1.1% difference), the AMD Ryzen 9 PRO 9945 with an average score of 96083 (a 1.4% difference), the AMD EPYC 4565P with an average score of 95764 (a 1.8% difference), and the AMD EPYC 9175F with an average score of 95615 (a 1.9% difference). The AMD Ryzen 9 9955HX3D sits slightly below the Threadripper PRO 5965WX by 1.1% and slightly above the Ryzen 9 PRO 9945 by 1.4%.

The Intel Arc G3 has an average benchmark score of 0 and no nearest rivals listed. Its percentile ranking of 50 places it at the median of the database, while the AMD part ranks at the 96th percentile.

Given the absence of direct head-to-head benchmark data, any comparison must rely on the individual recorded scores. The AMD Ryzen 9 9955HX3D delivers substantial compute performance, while the Intel Arc G3's performance profile remains unmeasured in the database.

The Verdict

The data indicates that the AMD Ryzen 9 9955HX3D is the higher-performance processor in compute-intensive scenarios. It has more cores, more threads, higher clock speeds, and a dramatically larger L3 cache. Its 96th percentile ranking among all CPUs and its average benchmark score of 97453 confirm strong multi-threaded and single-threaded capability. The Intel Arc G3, by contrast, has no recorded benchmarks and sits at the 50th percentile, making its compute performance unquantified in the database.

The Intel Arc G3 does hold advantages in platform-level features. Its higher memory bandwidth of 136.5 GB/s, its lower 25 W thermal design power, and its more advanced 3 nm process node make it a more power-efficient platform on paper. Its 4 PCIe Gen 5 lanes, however, are far fewer than the AMD part's 28 lanes, which limits expansion capability.

Users who need maximum CPU throughput for rendering, physics, encryption, and data compression should select the AMD Ryzen 9 9955HX3D based on the recorded scores. Users who prioritize lower power consumption, higher memory bandwidth, and a smaller platform footprint might consider the Intel Arc G3, but its lack of benchmark data means its actual compute performance cannot be verified from the database.

The AMD part's unlocked multiplier and ECC memory support add flexibility for advanced use cases, while the Intel part's locked multiplier and lack of ECC support narrow its appeal. The AMD Ryzen 9 9955HX3D is the only one of the two with a verified performance record, and it ranks near the top of the database. The Intel Arc G3 remains an unmeasured variable, so the verdict from the recorded data is clear: the AMD Ryzen 9 9955HX3D is the stronger choice for compute workloads, while the Intel Arc G3 is better suited for power-constrained or memory-bandwidth-sensitive designs, subject to verification of its actual performance.