AMD Ryzen 7 5700X3D vs Intel Core Ultra 9 285 Comparison

Head-to-Head Benchmarks

The recorded data shows a decisive sweep: the Intel Core Ultra 9 285 wins all 17 head-to-head comparisons against the AMD Ryzen 7 5700X3D. The widest margin appears in passmark floating point math, where the Intel part scores 194988 versus 46492, a delta of -76.2%. This indicates the Ultra 9 285 delivers nearly 4.2 times the floating point throughput, a gap that reflects both architectural generation and core count differences.

Cinebench results follow a consistent pattern. In cinebench r23 multicore, the Intel processor records 48945 against 22366, a -54.3% delta. The same -54.3% delta appears across cinebench r15 multicore (4933 vs 2254), r15 singlecore (696 vs 318), r20 multicore (20556 vs 9393), r20 singlecore (2901 vs 1325), and r23 singlecore (6909 vs 3157). This uniform percentage across every Cinebench test suggests a near-constant performance ratio between the two parts, rather than workload-specific scaling.

Passmark integer math shows the Intel chip at 164869 versus 81257, a -50.7% delta. Passmark multithread records 56602 for Intel and 26318 for AMD, a -53.5% delta. The compression test shows 602121 versus 307237, a -49% delta. Encryption shows 46949 versus 18788, a -60% delta. Extended instructions show 45357 versus 21202, a -53.3% delta. Prime number finding shows 459 versus 224, a -51.2% delta.

The smallest margins still favor Intel. Passmark physics scores 3598 versus 2686, a -25.3% delta, the narrowest gap in the entire set. Passmark single thread shows 4881 versus 2970, a -39.2% delta. Random string sorting shows 73651 versus 31492, a -57.2% delta.

The AMD Ryzen 7 5700X3D records zero wins across all 17 benchmark comparisons. The database places the AMD part at the 77th percentile among all CPUs, while the Intel Core Ultra 9 285 sits at the 95th percentile. The average benchmark score for the AMD chip is 24709, while the Intel chip averages 75488, a difference of roughly 3.05 times.

Architecture Differences

The two processors come from different design generations and manufacturing nodes. The AMD Ryzen 7 5700X3D uses the Zen 3 architecture, codename Vermeer, built on a 7 nm process at TSMC. The Intel Core Ultra 9 285 uses the Arrow Lake architecture, codename Arrow Lake-S, built on a 3 nm process, also at TSMC. The transition from 7 nm to 3 nm contributes to the Intel part's higher transistor density and efficiency.

Transistor counts differ substantially. The AMD chip contains 8,850 million transistors on a 74 mm² die. The Intel chip contains 17,800 million transistors on a 243 mm² die. The Intel die is roughly 3.28 times larger in area and holds just over twice the transistor count.

Core configuration presents a stark contrast. The AMD Ryzen 7 5700X3D has 8 cores and 16 threads, relying on simultaneous multithreading. The Intel Core Ultra 9 285 has 24 cores and 24 threads, with no SMT. The Intel part provides three times the physical cores, which explains its dominance in multithreaded workloads despite lacking hyperthreading.

Cache hierarchies differ in both size and distribution. The AMD chip has 64 KB of L1 per core, 512 KB of L2 per core, and 96 MB of shared L3 cache. The Intel chip has 192 KB of L1 per core, 3 MB of L2 per core, and 36 MB of shared L3. The AMD part's 96 MB L3 is 2.67 times larger than Intel's 36 MB, a feature designed to improve gaming and cache-sensitive workloads. The Intel part's per-core L2 is 6 times larger, which helps with per-thread working sets.

Clock speeds favor Intel. The AMD chip has a base clock of 3.00 GHz and a boost clock of 4.10 GHz. The Intel chip has a base clock of 2.50 GHz and a boost clock of 5.60 GHz. The Intel boost clock is 1.37 GHz higher, a meaningful advantage for single-threaded responsiveness.

Memory support diverges completely. The AMD Ryzen 7 5700X3D supports DDR4 with dual-channel memory and a bandwidth of 51.2 GB/s. The Intel Core Ultra 9 285 supports DDR5 with dual-channel memory and a bandwidth of 102.4 GB/s, exactly double the AMD figure. Both support ECC memory.

PCIe generations differ. The AMD chip offers PCIe Gen 4 with 20 CPU lanes. The Intel chip offers PCIe Gen 5 with 20 CPU lanes. The Intel part also includes integrated graphics, specifically Arc Xe-LPG Graphics 64EU, while the AMD chip has no integrated graphics.

Power specifications show the Intel part rated at 65 W TDP despite its larger core count, while the AMD chip is rated at 105 W TDP. The Intel processor achieves higher performance at a lower thermal envelope, a result of the smaller process node and newer architecture.

Sockets and platforms are incompatible. The AMD chip uses AMD Socket AM4, while the Intel chip uses Intel Socket 1851. The AMD part has a locked multiplier, and the Intel part also has a locked multiplier, so neither supports unlocked overclocking.

FAQ

Q: Which processor has more cores?

A: The Intel Core Ultra 9 285 has 24 cores and 24 threads. The AMD Ryzen 7 5700X3D has 8 cores and 16 threads.

Q: Which processor has a larger cache?

A: The AMD Ryzen 7 5700X3D has 96 MB of shared L3 cache. The Intel Core Ultra 9 285 has 36 MB of shared L3 cache, but its L2 cache is 3 MB per core versus 512 KB per core on the AMD chip.

Q: How does single-thread performance compare?

A: In cinebench r23 singlecore, the Intel part scores 6909 versus 3157 for the AMD part, a -54.3% delta. In passmark single thread, Intel scores 4881 versus 2970, a -39.2% delta.

Q: What memory types do the two processors support?

A: The AMD Ryzen 7 5700X3D supports DDR4 with 51.2 GB/s bandwidth. The Intel Core Ultra 9 285 supports DDR5 with 102.4 GB/s bandwidth.

Q: Which processor has integrated graphics?

A: The Intel Core Ultra 9 285 includes Arc Xe-LPG Graphics 64EU. The AMD Ryzen 7 5700X3D has no integrated graphics.

Q: What are the release dates for each processor?

A: The AMD Ryzen 7 5700X3D has a release date of 2024-01-07. The Intel Core Ultra 9 285 has a release date of 2024-12-31.

Specification Differences

The two processors differ in every major specification category. The AMD Ryzen 7 5700X3D has 8 cores and 16 threads, while the Intel Core Ultra 9 285 has 24 cores and 24 threads. Base clocks are 3.00 GHz for AMD and 2.50 GHz for Intel. Boost clocks are 4.10 GHz for AMD and 5.60 GHz for Intel. TDP is 105 W for AMD and 65 W for Intel.

Sockets differ: AMD Socket AM4 versus Intel Socket 1851. Architectures differ: Zen 3 (Vermeer) versus Arrow Lake (Arrow Lake-S). Process nodes differ: 7 nm versus 3 nm. Foundry is TSMC for both. Transistor counts are 8,850 million versus 17,800 million. Die sizes are 74 mm² versus 243 mm².

Cache specifications differ across all levels. L1 is 64 KB per core on AMD versus 192 KB per core on Intel. L2 is 512 KB per core on AMD versus 3 MB per core on Intel. L3 is 96 MB shared on AMD versus 36 MB shared on Intel.

Memory support differs: DDR4 versus DDR5. Memory bandwidth is 51.2 GB/s versus 102.4 GB/s. PCIe is Gen 4 with 20 lanes on AMD versus Gen 5 with 20 lanes on Intel. Integrated graphics are absent on AMD and present as Arc Xe-LPG Graphics 64EU on Intel.

Release dates differ: 2024-01-07 for AMD versus 2024-12-31 for Intel. Launch MSRP is $249 for the AMD part and $579 for the Intel part. Part numbers are 100-000001503100-100001503WOF for AMD and SRQD4 for Intel. Both processors have locked multipliers and both are marked as Active in production status.

The Verdict

The benchmark data indicates a complete performance advantage for the Intel Core Ultra 9 285 across every recorded test. The Intel part wins all 17 head-to-head comparisons, with deltas ranging from -25.3% in passmark physics to -76.2% in passmark floating point math. The Intel chip also holds a higher percentile ranking at 95 versus 77, and a higher average benchmark score at 75488 versus 24709.

The AMD Ryzen 7 5700X3D does retain some distinguishing characteristics. Its 96 MB shared L3 cache is the largest among the two, and its DDR4 memory support allows use with the AM4 platform. Its TDP of 105 W is higher than the Intel part's 65 W, which runs counter to the expectation that lower power correlates with lower performance.

The launch MSRP difference is $249 for the AMD part and $579 for the Intel part. The data shows the Intel processor delivers roughly 3.05 times the average benchmark score, but the relationship between price and performance is not part of this analysis.

Where Each One Wins

The Intel Core Ultra 9 285 wins in every benchmark category recorded in the database. In cinebench r23 multicore, it scores 48945 versus 22366, more than double the AMD result. In passmark floating point math, its 194988 score dwarfs the AMD 46492. In passmark multithread, it records 56602 versus 26318. In passmark integer math, it records 164869 versus 81257.

The Intel part also wins every single-threaded test. Cinebench r23 singlecore shows 6909 versus 3157. Passmark single thread shows 4881 versus 2970. Its 5.60 GHz boost clock and newer architecture support these results.

The AMD Ryzen 7 5700X3D wins no benchmark comparisons in the recorded data. Its strengths appear only in specification-level features: the 96 MB L3 cache, DDR4 compatibility, and the AM4 socket. The data does not show any workload where the AMD chip takes the lead. The passmark physics test shows the closest margin at -25.3%, but the Intel part still wins.

For workloads that depend on massive L3 cache and DDR4 platform familiarity, the AMD part remains a functional option, but the recorded benchmarks do not demonstrate a single victory. The Intel Core Ultra 9 285 dominates compute-heavy tasks such as rendering, floating point math, encryption, data compression, and single-threaded response. The data supports the Intel part as the stronger processor across all measured dimensions.