AMD Ryzen 5 5500X3D vs Intel Core Ultra 3 205 Comparison

Head-to-Head Benchmarks

The recorded data shows a clear split between the two processors across the Passmark benchmark suite. The Intel Core Ultra 3 205 wins 9 of the 11 head-to-head tests, while the AMD Ryzen 5 5500X3D takes 2 wins. The margin of victory in each direction tells the full story.

The largest single win for the Intel part comes in floating point math, where it scores 75136 against the AMD chip's 34511, a 54.1% advantage. This is the most lopsided result in the comparison and indicates a substantial gap in compute-heavy workloads that rely on floating point throughput. The Core Ultra 3 205 also leads by 36.6% in prime number finding, scoring 268 versus 170, and by 35.7% in single-thread performance, where it records 4575 against 2941. The single-thread result is particularly important because it reflects responsiveness in lightly threaded applications and general desktop use.

The Intel processor also dominates in data encryption, scoring 18772 against 13967, a 25.6% lead, and in extended instructions, where it posts 22578 versus 15925, a 29.5% gap. Data compression favors the Intel chip as well, with a score of 260651 compared to 230392, an 11.6% difference. Multithread performance goes to the Intel part by 22.2%, with scores of 26167 and 20363 respectively. Random string sorting also favors Intel, 31083 to 23675, a 23.8% margin.

The AMD Ryzen 5 5500X3D claims two victories. In integer math, it scores 60033 against the Intel chip's 54755, a 9.6% advantage. In the physics test, the AMD processor records 2282 versus 2016, a 13.2% lead. These wins show that the Zen 3 design retains strength in specific integer-heavy and physics simulation workloads, even though the overall benchmark balance tilts heavily toward Intel.

The average benchmark scores in the database reflect this overall distribution. The AMD Ryzen 5 5500X3D has an average benchmark score of 37018, while the Intel Core Ultra 3 205 sits at 31473. The discrepancy between the head-to-head results and the average scores is explained by the fact that the two CPUs share only the Passmark tests in the head-to-head set, while their individual average scores include different test sets. The AMD part occupies the 85th percentile among all CPUs, while the Intel part sits at the 82nd percentile.

Looking at nearest rivals, the AMD Ryzen 5 5500X3D sits within a tight cluster. It is 0.2% above the AMD Ryzen 5 5600F and the Intel Core Ultra 5 225, and 0.2% below the AMD Ryzen AI 7 PRO 450, with a 0.3% gap to the Intel Core i9-12900T. The Intel Core Ultra 3 205 is effectively tied with the Intel Core 7 240H at a 0% delta, 0.1% above the AMD Ryzen 9 5980HX and the Intel Core Ultra 5 225H, and 0.1% above the Intel Core i5-13500. These nearby comparisons frame both chips as mid-pack performers in their respective segments.

FAQ

Q: Which processor wins more head-to-head benchmarks?

A: The Intel Core Ultra 3 205 wins 9 of the 11 shared tests, while the AMD Ryzen 5 5500X3D wins 2.

Q: What is the largest performance gap between the two?

A: The largest gap is in floating point math, where the Intel Core Ultra 3 205 leads by 54.1%, scoring 75136 against 34511.

Q: In which tests does the AMD Ryzen 5 5500X3D come out ahead?

A: The AMD chip wins integer math with a 9.6% lead (60033 vs 54755) and the physics test with a 13.2% lead (2282 vs 2016).

Q: How do the two compare in single-thread performance?

A: The Intel Core Ultra 3 205 scores 4575 in the single-thread test, which is 35.7% higher than the AMD Ryzen 5 5500X3D's 2941.

Q: How does the Intel Core Ultra 3 205's average score compare to its nearest rivals?

A: Its average benchmark score is 31473, which is effectively tied with the Intel Core 7 240H, and 0.1% above the AMD Ryzen 9 5980HX and the Intel Core Ultra 5 225H.

Q: What are the percentile rankings for each processor?

A: The AMD Ryzen 5 5500X3D ranks in the 85th percentile among all CPUs, and the Intel Core Ultra 3 205 ranks in the 82nd percentile.

The Verdict

The data points to a straightforward conclusion for most workloads. The Intel Core Ultra 3 205 is the stronger processor in the majority of the shared benchmark tests, with particularly large margins in floating point math, single-thread performance, and prime number finding. Its 22.2% lead in multithread performance and 35.7% lead in single-thread performance make it the more balanced choice for general computing, data encryption, compression, and extended instruction workloads.

The AMD Ryzen 5 5500X3D is preferable in scenarios where integer math and physics simulation matter most. Its 9.6% lead in integer math and 13.2% lead in physics indicate that certain scientific, engineering, or simulation tasks may favor the Zen 3 architecture. However, these two wins are narrow compared to the Intel chip's broader and often larger margins elsewhere.

For users prioritizing overall throughput, single-core responsiveness, and floating point heavy applications, the Intel Core Ultra 3 205 is the data-supported pick. For users whose workloads center on integer operations or physics calculations, the AMD Ryzen 5 5500X3D holds a measurable advantage. The overall benchmark balance, with 9 wins for Intel, makes the Intel part the more versatile option in this comparison.

Specification Differences

The two processors differ across nearly every core specification. The AMD Ryzen 5 5500X3D has 6 cores and 12 threads, while the Intel Core Ultra 3 205 has 8 cores and 8 threads. The Intel chip has a higher base clock at 3.80 GHz compared to 3.00 GHz, and a higher boost clock at 4.90 GHz versus 4.00 GHz. The AMD processor carries a 105 W TDP, while the Intel processor is rated at 57 W.

The memory support differs entirely. The AMD chip uses DDR4 with dual-channel memory and a bandwidth of 51.2 GB/s, while the Intel chip uses DDR5 with dual-channel memory and a bandwidth of 102.4 GB/s, exactly double the AMD figure. The AMD processor supports ECC memory; the Intel processor does not. PCIe connectivity also differs, with the AMD part using Gen 4 with 20 lanes from the CPU, and the Intel part using Gen 5 with 20 lanes from the CPU.

The AMD Ryzen 5 5500X3D has no integrated graphics, while the Intel Core Ultra 3 205 includes Arc Xe-LPG Graphics with 16 execution units. The AMD processor has a launch MSRP of none recorded, while the Intel processor has a launch MSRP of $140. Both processors have locked multipliers and are currently active in production. The AMD part uses the AMD Socket AM4, and the Intel part uses Intel Socket 1851.

Architecture Differences

The architectural split is substantial. The AMD Ryzen 5 5500X3D uses the Zen 3 architecture under the Vermeer codename, part of the 5000 series. The Intel Core Ultra 3 205 uses the Arrow Lake architecture under the Arrow Lake-S codename, part of Core Ultra Series 2. The manufacturing process differs as well: the AMD chip is built on a 7 nm node, while the Intel chip is built on a 3 nm node. Both use TSMC as the foundry.

The Intel chip is significantly larger, with a die size of 243 mm² and 17,800 million transistors. The AMD chip has a die size of 74 mm², with no transistor count recorded in the database. The cache structures are also very different. The AMD processor provides 64 KB of L1 cache per core, 512 KB of L2 cache per core, and 96 MB of shared L3 cache. The Intel processor provides 192 KB of L1 cache per core, 3 MB of L2 cache per core, and 15 MB of shared L3 cache. The AMD chip's 96 MB shared L3 cache is the standout architectural feature, offering six times the L3 capacity of the Intel part.

The generation labels further clarify the split: the AMD part is listed as Ryzen 5 (Zen 3, Vermeer), and the Intel part is listed as Ultra 3 (Arrow Lake). Release dates differ, with the AMD chip released on 2025-06-04 and the Intel chip on 2025-07-31. The part numbers are 100-000001504 for AMD and SRVFC for Intel.

Where Each One Wins

The Intel Core Ultra 3 205 wins across the broadest range of workloads. Floating point math, where it leads by 54.1%, makes it the clear choice for scientific computing, 3D rendering, and any application that stresses FPU throughput. The 35.7% single-thread advantage means faster response in web browsing, office applications, and legacy single-threaded software. The 22.2% multithread lead extends its advantage to video encoding, compilation, and other parallel tasks. Data encryption at 25.6% ahead and data compression at 11.6% ahead make it the stronger pick for file archiving, database workloads, and security-related processing. Extended instructions at 29.5% ahead and random string sorting at 23.8% ahead reinforce the Intel chip's dominance in algorithmically varied tasks.

The AMD Ryzen 5 5500X3D wins in two specific areas. Its 9.6% integer math advantage points to workloads like cryptography that rely on integer arithmetic, though the separate encryption test favors Intel, so the integer win is workload-specific. The 13.2% physics lead suggests an edge in physics simulation and certain game physics calculations. The 96 MB shared L3 cache, while not directly measured in the head-to-head tests, is an architectural feature that likely supports cache-sensitive workloads, but the recorded benchmarks do not isolate that effect.

The overall pattern is clear. The Intel Core Ultra 3 205 delivers broader, larger wins across most measured categories, including the two highest-margin tests. The AMD Ryzen 5 5500X3D offers targeted advantages in integer math and physics, with a higher average benchmark score and a higher percentile ranking despite losing the head-to-head count. Users with integer or physics heavy workloads may prefer the AMD chip, while users with mixed or floating point heavy workloads will find more support in the Intel data.