AMD Ryzen 5 5600XT vs Intel Core Ultra 9 285 Comparison

Architecture Differences

The AMD Ryzen 5 5600XT and Intel Core Ultra 9 285 represent two fundamentally different design philosophies within the desktop CPU space. The AMD part is built on the Zen 3 architecture, codenamed Vermeer, using a 7 nm process from TSMC. It packs 6 cores and 12 threads, with a base clock of 3.70 GHz and a boost clock of 4.70 GHz. The Intel part uses the Arrow Lake architecture, codenamed Arrow Lake-S, on a much denser 3 nm TSMC node. It scales to 24 cores and 24 threads, with a base clock of 2.50 GHz and a boost clock of 5.60 GHz.

The transistor budgets tell a stark story. AMD's chip contains 4,150 million transistors on a 74 mm² die, while Intel's design integrates 17,800 million transistors across a 243 mm² die. That is a 4.3 times larger transistor count and a 3.3 times larger die area. The cache hierarchy also diverges sharply. The Ryzen 5 5600XT has 64 KB of L1 per core, 512 KB of L2 per core, and 32 MB of shared L3. The Intel Core Ultra 9 285 has 192 KB of L1 per core, 3 MB of L2 per core, and 36 MB of shared L3. The per-core L2 allocation is especially telling: Intel gives each core 6 times more L2 than AMD does.

Memory support separates the two further. The AMD processor uses DDR4 with dual-channel access and a recorded bandwidth of 51.2 GB/s. The Intel processor uses DDR5, also dual-channel, but with a bandwidth of 102.4 GB/s, exactly double. Both support ECC memory. PCIe connectivity differs by one generation: AMD provides Gen 4 with 20 lanes, while Intel provides Gen 5 with 20 lanes. The Intel part includes integrated graphics in the form of Arc Xe-LPG Graphics 64EU, whereas the AMD part has no integrated graphics at all.

The sockets are incompatible, with AMD on Socket AM4 and Intel on Socket 1851. The Intel multiplier is locked, while the AMD multiplier is unlocked. Both are classified as active production desktop parts. The AMD chip was released earlier, on October 30, 2024, while the Intel chip followed on December 31, 2024. The Intel part has a recorded launch MSRP of $579. The AMD part has no recorded launch MSRP in the database. The part numbers are 100-000001585 for AMD and SRQD4 for Intel.

The Verdict

The benchmark data is unambiguous in its direction. The Intel Core Ultra 9 285 wins all 17 recorded head-to-head benchmarks. The AMD Ryzen 5 5600XT wins none. The Intel part sits at the 95th percentile of all CPUs in the database, while the AMD part sits at the 81st percentile. The average benchmark score for the Intel chip is 75,488, compared to 28,940 for the AMD chip. That places the Intel part roughly 2.6 times higher in aggregate performance.

Looking at the nearest rivals clarifies the competitive positioning. The AMD Ryzen 5 5600XT's average score of 28,940 sits within 0.5% of several Intel mobile chips: the Core i9-13900H at 28,886 (0.2% delta), the Core i5-12600H at 28,882 (0.2% delta), the Core i7-12650H at 28,815 (0.4% delta), and the Core Ultra 5 135H at 29,093 (-0.5% delta). This indicates the 5600XT performs in the same band as mid-range and older high-end laptop processors. The Intel Core Ultra 9 285's average score of 75,488 places it alongside server-class AMD EPYC parts: the EPYC 8224P at 75,582 (-0.1% delta), the EPYC 4545P at 75,373 (0.2% delta), and the Ryzen 7 PRO 9755X3D at 75,716 (-0.3% delta). The Ultra 9 285 is competing in a different performance tier entirely.

For a user deciding strictly on the data, the choice depends on the workload and platform constraints. The Ryzen 5 5600XT delivers 6-core, 12-thread performance on an older AM4 platform with DDR4 memory. It is a lower-core-count part with a smaller cache footprint and no integrated graphics. The Core Ultra 9 285 delivers 24-core, 24-thread performance on the newer Socket 1851 with DDR5, double the memory bandwidth, PCIe Gen 5, and integrated graphics. The benchmark deltas range from 28.9% to 79.2% in favor of Intel, so there is no recorded workload where AMD pulls ahead. The data suggests the Intel part is the stronger choice for any compute-heavy task in the database, while the AMD part remains relevant only for users constrained by the AM4 platform or a locked multiplier preference.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 9 285 has 24 cores and 24 threads. The AMD Ryzen 5 5600XT has 6 cores and 12 threads.

Q: How do their boost clocks compare?

A: The Intel part boosts to 5.60 GHz, while the AMD part boosts to 4.70 GHz. The base clocks are 2.50 GHz for Intel and 3.70 GHz for AMD.

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

A: The largest gap is in PassMark floating point math, where Intel leads by 79.2%. The Intel score is 194,988 versus AMD's 40,537.

Q: Do both processors support ECC memory?

A: Yes, both the AMD Ryzen 5 5600XT and the Intel Core Ultra 9 285 support ECC memory.

Q: Which processor has integrated graphics?

A: The Intel Core Ultra 9 285 includes Arc Xe-LPG Graphics 64EU. The AMD Ryzen 5 5600XT does not have integrated graphics.

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

A: In PassMark single thread, Intel scores 4,881 versus AMD's 3,469, a 28.9% lead. In Cinebench R23 single core, Intel scores 6,909 versus AMD's 2,643, a 61.7% lead.

Specification Differences

The two processors differ across nearly every specification field. The AMD Ryzen 5 5600XT uses 6 cores and 12 threads, while the Intel Core Ultra 9 285 uses 24 cores and 24 threads. Base clocks are 3.70 GHz for AMD and 2.50 GHz for Intel. Boost clocks are 4.70 GHz for AMD and 5.60 GHz for Intel. Both have a 65 TDP, so power classification is identical, but the underlying silicon differs completely.

The process node is 7 nm for AMD and 3 nm for Intel, both from TSMC. Transistor counts are 4,150 million for AMD and 17,800 million for Intel. Die sizes are 74 mm² for AMD and 243 mm² for Intel. The cache hierarchy differs at every level: L1 is 64 KB per core for AMD versus 192 KB per core for Intel; L2 is 512 KB per core for AMD versus 3 MB per core for Intel; L3 is 32 MB shared for AMD versus 36 MB shared for Intel.

Memory support is DDR4 for AMD and DDR5 for Intel. Memory bandwidth is 51.2 GB/s for AMD and 102.4 GB/s for Intel. PCIe generation is Gen 4 for AMD and Gen 5 for Intel, both with 20 lanes. The AMD part has no integrated graphics; the Intel part has Arc Xe-LPG Graphics 64EU. The AMD part has an unlocked multiplier; the Intel part is locked. Sockets are AMD Socket AM4 versus Intel Socket 1851. The AMD part's architecture is Zen 3 (Vermeer), and the Intel part's architecture is Arrow Lake (Arrow Lake-S). The Intel part has a launch MSRP of $579; the AMD part has no recorded launch MSRP.

Head-to-Head Benchmarks

The Intel Core Ultra 9 285 dominates every recorded benchmark, but the size of the lead varies considerably by workload. The smallest gap appears in PassMark single thread, where Intel scores 4,881 against AMD's 3,469, a 28.9% advantage. This is the closest margin in the entire dataset, indicating that single-threaded performance is the least lopsided comparison. The same test appears twice in the database as PassMark single thread and PassMark singlethread, both with identical scores and the same 28.9% delta.

The Cinebench suite shows consistent deltas around 61.7% to 61.8%. In Cinebench R15 multicore, Intel scores 4,933 versus AMD's 1,887, a 61.7% lead. In Cinebench R15 singlecore, Intel scores 696 versus AMD's 266, a 61.8% lead. Cinebench R20 multicore has Intel at 20,556 versus AMD's 7,864, again 61.7%. Cinebench R20 singlecore has Intel at 2,901 versus AMD's 1,110, a 61.7% gap. Cinebench R23 multicore shows Intel at 48,945 versus AMD's 18,724, and Cinebench R23 singlecore shows Intel at 6,909 versus AMD's 2,643, both at 61.7%.

The PassMark suite reveals a wider spread. Data compression has Intel at 602,121 versus AMD's 257,118, a 57.3% lead. Data encryption has Intel at 46,949 versus AMD's 15,944, a 66% lead. Extended instructions show Intel at 45,357 versus AMD's 17,450, a 61.5% lead. Find prime numbers has Intel at 459 versus AMD's 143, a 68.8% lead. Floating point math is the largest gap at 79.2%, with Intel at 194,988 and AMD at 40,537. Integer math has Intel at 164,869 versus AMD's 71,063, a 56.9% lead. Multithread has Intel at 56,602 versus AMD's 22,283, a 60.6% lead. Physics has Intel at 3,598 versus AMD's 1,322, a 63.3% lead. Random string sorting has Intel at 73,651 versus AMD's 26,693, a 63.8% lead.

The win count is 17 for Intel and 0 for AMD. The average benchmark score difference is 46,548 points, from 28,940 to 75,488. The percentile gap is 14 points, from 81 to 95.

Where Each One Wins

The Intel Core Ultra 9 285 wins every recorded benchmark, so the use-case split is not about task categories where AMD wins. Instead, it is about degrees of dominance. The smallest Intel lead, 28.9% in single-threaded PassMark, still represents a substantial advantage. The largest lead, 79.2% in floating point math, indicates that heavily parallel numerical workloads favor Intel by a wide margin. The database shows no workload where the AMD Ryzen 5 5600XT takes a win, so any use case derived from these benchmarks falls to Intel.

The AMD part's closest relative performance is in single-threaded tests, where the gap narrows to under 30%. This suggests that lightly threaded tasks, such as basic desktop responsiveness or older applications, are the least unfavorable for the 5600XT. However, even there, Intel holds a clear lead. The AMD part's average benchmark score of 28,940 places it near Intel mobile processors like the Core i9-13900H and Core Ultra 5 135H, which suggests its performance class is closer to those laptop chips than to the desktop Ultra 9 285.

The Intel part's nearest rivals are server and workstation processors, including the AMD EPYC 8224P and EPYC 4545P, as well as the Ryzen 7 PRO 9755X3D. This indicates the Ultra 9 285 belongs in a performance tier that handles heavy multi-threaded workloads, large data compression tasks, and high-throughput encryption. The data compression score of 602,121, the integer math score of 164,869, and the multithread score of 56,602 all point to sustained parallel throughput. The floating point math score of 194,988 is the standout figure, suggesting scientific or simulation-style workloads benefit the most.

For a user on the AM4 platform with DDR4 memory, the Ryzen 5 5600XT remains a functional 6-core, 12-thread processor with an unlocked multiplier and ECC support. The data does not show it winning any benchmark, but its 81st percentile standing means it outperforms the majority of CPUs in the database. The Intel part, at the 95th percentile, outperforms nearly all of them. The choice, strictly from the data, is clear for absolute performance, but the AMD part retains a role for platform-specific builds where Socket AM4, DDR4, and an unlocked multiplier are requirements.