AMD Ryzen 3 5305G vs Intel Core Ultra 9 285 Comparison

The Verdict

The database comparison between the AMD Ryzen 3 5305G and the Intel Core Ultra 9 285 is a study in extremes. The Intel Core Ultra 9 285 is the overwhelming performance leader, holding the 95th percentile among all CPUs, while the AMD Ryzen 3 5305G sits at the 50th percentile. The Ryzen 3 5305G is a 4-core, 8-thread Zen 3 part designed for basic desktop tasks, whereas the Core Ultra 9 285 is a 24-core, 24-thread Arrow Lake flagship aimed at heavy multi-threaded workloads. There is no benchmark data recorded for the Ryzen 3 5305G, so all quantitative comparisons derive from the Core Ultra 9 285's recorded scores and its position against its nearest rivals. The data indicates that the Core Ultra 9 285 is the pick for any user prioritizing raw compute, while the Ryzen 3 5305G exists as a lower-tier option with integrated Radeon Vega 6 graphics and a 65 W TDP, matching the Core Ultra 9 285 in power envelope despite its far smaller core count.

FAQ

Q: How does the Intel Core Ultra 9 285 compare to its nearest rivals in the database?

A: The Core Ultra 9 285 has an average benchmark score of 75488, placing it just 0.1% behind the AMD EPYC 8224P (75582), 0.2% ahead of the AMD EPYC 4545P (75373), and 0.3% behind both the AMD Ryzen 7 PRO 9755X3D (75716) and the AMD Ryzen 7 PRO 9755 (75738). This places it within a tight performance cluster at the top of the database.

Q: What is the core and thread configuration difference between the two CPUs?

A: The Ryzen 3 5305G has 4 cores and 8 threads, while the Core Ultra 9 285 has 24 cores and 24 threads. The Core Ultra 9 285 does not use simultaneous multithreading, hence 24 threads for 24 cores, whereas the Ryzen doubles its thread count through SMT.

Q: Which CPU supports faster memory and PCIe?

A: The Core Ultra 9 285 supports DDR5 memory with a dual-channel bus delivering 102.4 GB/s bandwidth and PCIe Gen 5 with 20 lanes (CPU only). The Ryzen 3 5305G supports DDR4 with a dual-channel bus delivering 51.2 GB/s and PCIe Gen 3 with 16 lanes (CPU only).

Q: Are both processors unlocked for overclocking?

A: No. The Ryzen 3 5305G has an unlocked multiplier, while the Core Ultra 9 285 has a locked multiplier.

Q: What is the process node and transistor count for each?

A: The Ryzen 3 5305G uses a 7 nm node from TSMC with 10,700 million transistors on a 180 mm² die. The Core Ultra 9 285 uses a 3 nm node from TSMC with 17,800 million transistors on a 243 mm² die.

Q: What is the launch MSRP of the Intel Core Ultra 9 285?

A: The launch MSRP is $579. The Ryzen 3 5305G has no recorded launch MSRP in the database.

Architecture Differences

The two processors belong to entirely different design generations. The AMD Ryzen 3 5305G uses the Zen 3 architecture under the codename Cezanne, part of the 5000 series, built on a 7 nm process from TSMC. Its cache hierarchy is per-core based: 64 KB of L1 per core, 512 KB of L2 per core, and a shared 8 MB L3 cache. It integrates Radeon Vega 6 graphics, making it a capable APU for systems without a discrete GPU.

The Intel Core Ultra 9 285 uses the Arrow Lake architecture under the codename Arrow Lake-S, part of the Core Ultra Series 2, built on a 3 nm process from TSMC. Its cache design is much larger: 192 KB L1 per core, 3 MB L2 per core, and a shared 36 MB L3 cache. It integrates Arc Xe-LPG Graphics with 64 execution units. The Core Ultra 9 285 also supports ECC memory, a feature absent on the Ryzen 3 5305G. The transistor budgets differ substantially: 10,700 million for the AMD part versus 17,800 million for the Intel part, reflecting the larger die (180 mm² vs 243 mm²) and the greater complexity of the 24-core design.

The Intel part also uses a different threading model: 24 threads for 24 cores, meaning no hyperthreading, while the AMD part uses 8 threads for 4 cores. This indicates that the Core Ultra 9 285 relies on physical core count and high boost clocks (up to 5.60 GHz) for throughput, whereas the Ryzen depends on SMT to double its logical thread count. The Ryzen has a base clock of 4.00 GHz and boost of 4.20 GHz, which is lower than the Intel's 2.50 GHz base but the Intel boosts much higher. The memory controllers differ as well: DDR4 for AMD, DDR5 for Intel, with memory bandwidth of 51.2 GB/s versus 102.4 GB/s, exactly double.

Specification Differences

The recorded specifications show clear divergence across nearly every field. Core count: 4 for AMD, 24 for Intel. Threads: 8 versus 24. Base clock: 4.00 GHz versus 2.50 GHz. Boost clock: 4.20 GHz versus 5.60 GHz. TDP is identical at 65 W for both, which is notable given the massive core difference. Socket: AMD Socket AM4 versus Intel Socket 1851. Architecture: Zen 3 versus Arrow Lake. Process node: 7 nm versus 3 nm. Transistors: 10,700 million versus 17,800 million. Die size: 180 mm² versus 243 mm². L1 cache: 64 KB per core versus 192 KB per core. L2 cache: 512 KB per core versus 3 MB per core. L3 cache: 8 MB versus 36 MB shared. Memory support: DDR4 versus DDR5. Memory bandwidth: 51.2 GB/s versus 102.4 GB/s. ECC support: false versus true. PCIe: Gen 3 with 16 lanes versus Gen 5 with 20 lanes. Integrated graphics: Radeon Vega 6 versus Arc Xe-LPG Graphics 64EU. Multiplier unlocked: true for AMD, false for Intel. Release date: 2025-02-23 for AMD versus 2024-12-31 for Intel. The Intel part has a recorded launch MSRP of $579, while the AMD part has none.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark results between these two specific processors, and no scores are recorded for the AMD Ryzen 3 5305G. Therefore, the analysis relies entirely on the Intel Core Ultra 9 285's recorded scores across Cinebench and Passmark tests, interpreted against its nearest rivals. The Core Ultra 9 285 delivers a Cinebench R23 multicore score of 48945 and a single-core score of 6909. In Cinebench R20, it scores 20556 multicore and 2901 single-core. In Cinebench R15, it scores 4933 multicore and 696 single-core. These scores, combined with an average benchmark score of 75488, place it at the 95th percentile of all CPUs.

Passmark results further detail its strengths. The multithread score is 56602, single-thread score is 4881, floating-point math score is 194988, integer math is 164869, data compression is 602121, data encryption is 46949, extended instructions is 45357, find prime numbers is 459, physics is 3598, and random string sorting is 73651. The nearest rival comparisons show the Core Ultra 9 285 is essentially tied with the AMD EPYC 8224P (75582, delta -0.1%), the AMD EPYC 4545P (75373, delta 0.2%), the AMD Ryzen 7 PRO 9755X3D (75716, delta -0.3%), and the AMD Ryzen 7 PRO 9755 (75738, delta -0.3%). This indicates the Core Ultra 9 285 is at the very top tier of desktop processors, within a fraction of a percent of its closest competitors.

Where Each One Wins

The Intel Core Ultra 9 285 wins in every measurable performance category where data exists. Its 24 physical cores and 36 MB of shared L3 cache provide a massive advantage for multi-threaded workloads such as rendering, video encoding, and scientific computation, as evidenced by the Cinebench R23 multicore score of 48945 and Passmark multithread score of 56602. Its boost clock of 5.60 GHz and single-core score of 6909 in Cinebench R23 also indicate strong single-thread performance for everyday applications and lightly threaded tasks. The 102.4 GB/s memory bandwidth from DDR5 support and PCIe Gen 5 with 20 lanes make it suitable for high-end storage and GPU configurations. ECC memory support adds a professional-grade feature for data integrity.

The AMD Ryzen 3 5305G wins in the category of simplicity and integration for lower-tier builds. Its 65 W TDP matches the Core Ultra 9 285, but with only 4 cores and 8 threads, it draws that power envelope for a much less demanding workload. Its Radeon Vega 6 integrated graphics provide a basic display output without a discrete GPU, and its support for DDR4 memory and PCIe Gen 3 with 16 lanes aligns with older, more common platform components. The unlocked multiplier allows overclocking, which is not available on the Intel part. The Ryzen also has a higher base clock of 4.00 GHz versus 2.50 GHz, though its boost clock of 4.20 GHz falls short of the Intel's 5.60 GHz. For users who need a basic desktop CPU with integrated graphics, low power draw, and an unlocked multiplier, the Ryzen 3 5305G fits that niche. For any workload that demands throughput, the Core Ultra 9 285 is the only choice based on the recorded data.