AMD Ryzen 9 5900 vs Intel Core Ultra 5 235 Comparison

The Intel Core Ultra 5 235 and AMD Ryzen 9 5900 present a stark contrast in design philosophy and benchmark outcomes. The data shows a near-even split in total wins, with the Intel part taking 9 of 17 head-to-head tests and the AMD part taking 8, but the nature of those wins could not be more different. The Intel Core Ultra 5 235 dominates in modern, specialized workloads, while the AMD Ryzen 9 5900 sweeps the Cinebench suite and wins in integer-heavy tasks. This is a matchup where the "better" processor depends entirely on the software being run.

Where Each One Wins

The AMD Ryzen 9 5900 is the undisputed champion of traditional multi-core rendering. In every Cinebench test, from R15 to R23, it delivers a decisive victory, consistently scoring 48.8% higher than the Intel Core Ultra 5 235. For example, in Cinebench R23 multi-core, the Ryzen 9 5900 scores 28,834 against the Intel's 14,769, and in single-core R23, it achieves 4,070 versus 2,085. This suggests the Ryzen 9 5900 is the stronger choice for content creation, 3D rendering, and any workload that scales with raw CPU throughput. The AMD part also wins in PassMark integer math, scoring 128,641 against the Intel's 87,948, a 31.6% advantage, and in data compression, where it scores 411,453 versus 390,711, a smaller but still positive 5% lead.

The Intel Core Ultra 5 235, conversely, wins in a broad range of PassMark sub-tests that indicate strength in specific computational domains. Its most dramatic win is in floating-point math, where it scores 117,951 against the Ryzen 9 5900's 69,124, a 70.6% advantage. It also excels in find prime numbers, scoring 371 versus 213, a 74.2% lead, and in physics simulation, scoring 2,570 versus 1,697, a 51.4% edge. The Intel part also wins in single-thread performance (4,516 versus 3,439, a 31.3% lead), data encryption (29,293 versus 26,247, an 11.6% lead), extended instructions (32,752 versus 26,859, a 21.9% lead), multi-threaded PassMark (37,816 versus 33,969, an 11.3% lead), and random string sorting (48,980 versus 43,386, a 12.9% lead). This pattern suggests the Intel Core Ultra 5 235 is better suited for scientific computing, cryptography, and workloads that rely on instruction-level parallelism and single-core responsiveness.

Architecture Differences

The two processors are built on fundamentally different architectures and process nodes. The Intel Core Ultra 5 235 uses the Arrow Lake architecture on a 3 nm process, fabricated by TSMC, with 17,800 million transistors on a 243 mm² die. It features 14 cores and 14 threads, meaning it has no hyper-threading, and a base clock of 3.40 GHz with a boost clock of 5.00 GHz. Its cache hierarchy includes 192 KB of L1 per core, 3 MB of L2 per core, and a shared 24 MB L3 cache. It supports DDR5 memory in a dual-channel configuration with a bandwidth of 102.4 GB/s and does not support ECC memory. It uses Intel Socket 1851 and offers PCIe Gen 5 with 20 lanes from the CPU. It also includes integrated Arc Xe-LPG Graphics with 24 execution units, a feature the AMD part lacks.

The AMD Ryzen 9 5900 is a Zen 3 part on a 7 nm process, also from TSMC, with 8,300 million transistors spread across two chiplets, each 74 mm². It has 12 cores and 24 threads, leveraging simultaneous multi-threading, and runs at a base clock of 3.00 GHz and a boost clock of 4.70 GHz. Its cache design includes 64 KB of L1 per core, 512 KB of L2 per core, and a much larger shared 64 MB L3 cache. It supports DDR4 memory in dual-channel mode, offering 51.2 GB/s of bandwidth, and does support ECC memory. It uses AMD Socket AM4 and provides PCIe Gen 4 with 20 lanes from the CPU. The Ryzen 9 5900 has an unlocked multiplier, whereas the Intel Core Ultra 5 235 is locked. The AMD part lacks integrated graphics entirely.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 5 235 has 14 cores and 14 threads. The AMD Ryzen 9 5900 has 12 cores and 24 threads. The AMD part has fewer physical cores but more threads due to simultaneous multi-threading.

Q: How much L3 cache does each processor have?

A: The Intel Core Ultra 5 235 has a shared 24 MB L3 cache. The AMD Ryzen 9 5900 has a significantly larger shared 64 MB L3 cache.

Q: What is the difference in single-core Cinebench R23 scores?

A: The AMD Ryzen 9 5900 scores 4,070 in Cinebench R23 single-core, which is 48.8% higher than the Intel Core Ultra 5 235's score of 2,085.

Q: Does either processor support ECC memory?

A: The AMD Ryzen 9 5900 supports ECC memory. The Intel Core Ultra 5 235 does not.

Q: Which processor has a higher PassMark multi-thread score?

A: The Intel Core Ultra 5 235 wins in PassMark multi-thread, scoring 37,816 compared to the AMD Ryzen 9 5900's 33,969, a difference of 11.3%.

Q: What is the process node for each processor?

A: The Intel Core Ultra 5 235 is built on a 3 nm process, while the AMD Ryzen 9 5900 is built on a 7 nm process. Both are fabricated by TSMC.

Specification Differences

The two processors differ across nearly every core specification. The Intel Core Ultra 5 235 has 14 cores and 14 threads, whereas the AMD Ryzen 9 5900 has 12 cores and 24 threads. The Intel part has a higher base clock of 3.40 GHz versus 3.00 GHz, and a higher boost clock of 5.00 GHz versus 4.70 GHz. The process node is 3 nm for Intel and 7 nm for AMD. The Intel part has 17,800 million transistors on a 243 mm² die, while the AMD part has 8,300 million transistors across two 74 mm² dies. The L1 cache is 192 KB per core on Intel versus 64 KB per core on AMD; L2 cache is 3 MB per core on Intel versus 512 KB per core on AMD; L3 cache is 24 MB shared on Intel versus 64 MB shared on AMD. Memory support differs: Intel uses DDR5 with 102.4 GB/s bandwidth, while AMD uses DDR4 with 51.2 GB/s bandwidth. ECC support is absent on Intel and present on AMD. The Intel part uses PCIe Gen 5, while the AMD part uses PCIe Gen 4. The Intel part includes integrated graphics, while the AMD part has none. The Intel part is on Socket 1851, while the AMD part is on Socket AM4. The Intel part has a locked multiplier, while the AMD part is unlocked.

Head-to-Head Benchmarks

The most striking result in the head-to-head data is the uniform 48.8% advantage for the AMD Ryzen 9 5900 across all six Cinebench tests. This includes multi-core and single-core variants of R15, R20, and R23. The Intel Core Ultra 5 235 simply cannot match the throughput of the Ryzen 9 5900 in these rendering workloads, regardless of thread count. In Cinebench R20 multi-core, the AMD part scores 12,110 against the Intel's 6,202, and in R15 single-core, the AMD part scores 410 against the Intel's 210. This is a categorical sweep that suggests a fundamental limitation in the Intel part's ability to sustain heavy computational loads in these specific tasks.

The Intel Core Ultra 5 235's wins are concentrated in the PassMark suite, and they are often by large margins. The largest is in floating-point math, where the Intel part leads by 70.6%, scoring 117,951 versus 69,124. The second-largest is in find prime numbers, with a 74.2% lead (371 versus 213). In physics, the Intel part leads by 51.4% (2,570 versus 1,697), and in single-thread tests it leads by 31.3% (4,516 versus 3,439). The Intel part also wins in data encryption by 11.6% and in extended instructions by 21.9%. The AMD part's only PassMark win beyond compression and integer math is absent; its other wins are in the Cinebench suite. The PassMark multi-thread score is interesting: the Intel part wins 37,816 versus 33,969, an 11.3% lead, despite losing all Cinebench multi-core tests. This indicates that the PassMark multi-thread test weights different instructions than Cinebench, favoring the Intel architecture's strengths in encryption and floating-point operations.

The Verdict

The data indicates that the AMD Ryzen 9 5900 is the clear choice for users whose primary workloads are Cinebench-style rendering or integer-heavy computation. Its 48.8% lead across all Cinebench tests and 31.6% lead in PassMark integer math make it the superior processor for 3D rendering, video encoding, and general productivity that relies on traditional multi-core scaling. The presence of 24 threads, a 64 MB L3 cache, and ECC memory support further reinforce its position as a workstation-oriented part.

The Intel Core Ultra 5 235, on the other hand, is the better option for workloads that depend on floating-point math, encryption, and single-thread responsiveness. Its 70.6% lead in floating-point math and 74.2% lead in find prime numbers indicate a strong aptitude for scientific simulations and complex mathematical calculations. Its 31.3% lead in single-thread performance and 51.4% lead in physics make it a compelling choice for gaming and applications with tight single-thread dependencies. The integrated graphics and DDR5 memory support also provide a modern platform advantage, though the locked multiplier limits overclocking potential. The benchmark results show a processor that wins more individual tests, but the AMD part wins the tests that matter for traditional heavy lifting. For users with mixed workloads, the Intel part's broader win distribution across PassMark sub-tests may offer more balanced performance, but for raw rendering power, the AMD Ryzen 9 5900 is the unambiguous winner based on the data.