AMD Ryzen AI 7 450 vs Intel Core Ultra 5 235T Comparison

The AMD Ryzen AI 7 450 and Intel Core Ultra 5 235T land within one percentile point of each other in the database rankings (87 versus 86), yet they arrive there through very different routes: a mobile Zen 5 part with SMT threading against a desktop Arrow Lake chip with more physical cores and far stronger per-thread output. The head-to-head record stands at 11 wins for Intel against 4 for AMD across 15 shared tests, but the margin profile tells a more nuanced story than that lopsided tally suggests.

Head-to-Head Benchmarks

Start with the tests AMD wins, because they are meaningful rather than marginal. In Cinebench R15 multi-core, the Ryzen AI 7 450 scores 2713 against 2644, a 2.6 percent lead, and it extends that advantage in several Passmark compute tests: 315906 versus 295100 in data compression (7.1 percent), 88531 versus 84244 in integer math (5.1 percent), and a near-dead-heat 35648 versus 35377 in random string sorting (0.8 percent). These wins cluster around workloads that scale across simultaneous threads and favor the AMD part's 16 threads.

Intel's victories, by contrast, are concentrated and large. The single-core results are the starkest gap in the entire dataset: 215 versus 373 in Cinebench R15 single-core (a 42.4 percent deficit for AMD) and 2038 versus 3703 in Cinebench R23 single-core (45 percent). Passmark single-thread mirrors this at 3901 versus 4339, a 10.1 percent Intel lead. In raw compute primitives, the gulf widens further: floating point math lands at 54447 versus 106546, a 48.9 percent Intel win, and find prime numbers is the most lopsided test of all at 89 versus 318, a 72 percent gap.

Multi-core heavily favors Intel where all-out throughput matters. Cinebench R23 multi-core reads 18316 versus 26232, a 30.2 percent lead for the Core Ultra 5 235T, and Passmark multithread follows at 26350 versus 30918 (14.8 percent). Encryption lands at 16247 versus 23457 (30.7 percent for Intel), physics at 1578 versus 2157 (26.8 percent), and extended instructions at 22400 versus 23212 (3.5 percent).

The aggregate numbers compress this into two nearly identical overall figures: an average benchmark score of 39485 for AMD and 38561 for Intel. AMD's average sits essentially even with its nearest rivals in the database, the Ryzen 7 PRO 8840HS (39603, within 0.3 percent), Ryzen 7 PRO 8845HS (39325, 0.4 percent), EPYC 4245P (39215, 0.7 percent), and Ryzen 7 9800X3D (39768, within 0.7 percent). Intel's closest comparisons are the Core i5-14500 (38531, 0.1 percent), Xeon w3-2525 (38392, 0.4 percent), Core 9 270H (38335, 0.6 percent), and Core Ultra 9 285H (38312, 0.7 percent).

FAQ

Q: Which CPU is faster in single-threaded work?

A: The Intel Core Ultra 5 235T, decisively. It leads by 42.4 percent in Cinebench R15 single-core, 45 percent in Cinebench R23 single-core, and 10.1 percent in Passmark single-thread.

Q: Which CPU wins in multi-threaded rendering?

A: It splits by test generation. The Ryzen AI 7 450 wins Cinebench R15 multi-core by 2.6 percent, while the Core Ultra 5 235T wins Cinebench R23 multi-core by 30.2 percent and Passmark multithread by 14.8 percent.

Q: Do these two chips belong to the same market segment?

A: No. The Ryzen AI 7 450 is a mobile part on Socket FP8 with a 28 W TDP, while the Core Ultra 5 235T is a desktop part on Socket 1851 with a 65 W TDP.

Q: Which chip supports ECC memory?

A: Only the AMD part. The Ryzen AI 7 450 lists ECC support; the Core Ultra 5 235T does not.

Q: How do their overall database rankings compare?

A: Nearly identical. The AMD chip sits in the 87th percentile against all CPUs with an average score of 39485; the Intel chip sits in the 86th percentile with 38561.

Q: Which CPU has the higher boost clock?

A: The AMD part, at 5.10 GHz versus 5.00 GHz for Intel, though the clock advantage does not translate into single-thread benchmark wins.

Architecture Differences

The two chips come from opposite design philosophies. AMD's Ryzen AI 7 450 is built on the Zen 5 architecture under the Gorgon Point codename, part of the Ryzen AI 400 generation mixing Zen 5 and Zen 5c cores, fabricated on TSMC's 4 nm process with a 195 mm² die. Intel's Core Ultra 5 235T uses Arrow Lake-S silicon in the Core Ultra Series 2 family, built on TSMC's 3 nm process with a larger 243 mm² die and 17,800 million transistors.

Core topology diverges sharply. AMD deploys 8 cores with SMT for 16 threads; Intel deploys 14 cores without hyper-threading, for 14 threads. That difference explains much of the benchmark spread: Intel's 14 physical cores carry its multi-core victories in R23 and Passmark multithread, while AMD's threading partially compensates in older R15 multi-core and integer-heavy workloads.

Cache hierarchies also split. AMD gives each core 80 KB of L1 and 1 MB of L2, with 8 MB of L3. Intel triples down on per-core capacity at 192 KB of L1 and 3 MB of L2 per core, plus 24 MB of shared L3. That cache advantage, combined with strong per-core throughput, underpins Intel's dominant single-core scores.

Platform features differ in ways that matter beyond compute. AMD supports DDR5 and LPDDR5X over a dual-channel bus at 89.6 GB/s, with ECC enabled, and offers PCIe Gen 4 with 16 CPU lanes. Intel supports DDR5 only, but delivers 102.4 GB/s of bandwidth, PCIe Gen 5 with 20 CPU lanes, and integrates Arc Xe-LPG Graphics with 24 EUs versus AMD's Radeon 860M. Both are unlocked-free parts and both remain in active production. AMD's release is recorded as January 2026 against Intel's January 2025, and Intel carries a launch MSRP of $247.

Specification Differences

The fields where these two chips diverge:

• Cores/threads: 8 cores, 16 threads (AMD) versus 14 cores, 14 threads (Intel)
• Base clock: 2.00 GHz (AMD) versus 2.20 GHz (Intel)
• Boost clock: 5.10 GHz (AMD) versus 5.00 GHz (Intel)
• TDP: 28 W (AMD) versus 65 W (Intel)
• Socket: AMD Socket FP8 versus Intel Socket 1851
• Architecture/codename: Zen 5, Gorgon Point versus Arrow Lake, Arrow Lake-S
• Process node: 4 nm versus 3 nm (both TSMC)
• Transistors: not recorded for AMD; 17,800 million for Intel
• Die size: 195 mm² versus 243 mm²
• Cache: 80 KB L1 and 1 MB L2 per core with 8 MB L3 versus 192 KB L1 and 3 MB L2 per core with 24 MB shared L3
• Memory: DDR5 and LPDDR5X at 89.6 GB/s versus DDR5 at 102.4 GB/s; ECC yes versus no
• PCIe: Gen 4, 16 lanes versus Gen 5, 20 lanes
• Integrated graphics: Radeon 860M versus Arc Xe-LPG Graphics 24EU
• Market segment: Mobile versus Desktop
• Launch MSRP: not recorded for AMD; $247 for Intel

The Verdict

The data frames this as a throughput-versus-efficiency choice rather than a ranking question, since both chips occupy nearly the same percentile band. Users who need the strongest sustained multi-core output and the fastest per-thread responsiveness should lean toward the Core Ultra 5 235T: it wins 11 of 15 shared tests, including a 30.2 percent R23 multi-core lead, 45 percent single-core lead in R23, and a 72 percent lead in prime number computation. It also brings a deeper cache hierarchy, higher memory bandwidth, and a newer PCIe generation.

The Ryzen AI 7 450 argues for itself on efficiency and platform flexibility. It delivers comparable aggregate performance (39485 versus 38561 average score) at a 28 W TDP versus 65 W, it is the only one of the two with ECC memory support and LPDDR5X, and it holds wins in integer math, data compression, and Cinebench R15 multi-core. Neither chip offers an unlocked multiplier, so neither is a tuning candidate.

A practical caveat from the recorded data: these are different form factors. One is a mobile processor, the other a desktop processor, so in most real decisions the platform choice is made first and the CPU comparison follows.

Where Each One Wins

AMD Ryzen AI 7 450 wins for:

• Thread-scaled integer and compression workloads: integer math (88531, up 5.1 percent) and data compression (315906, up 7.1 percent)
• Legacy-generation multi-core rendering: Cinebench R15 multi-core at 2713, up 2.6 percent
• String sorting, essentially tied but ahead: 35648 versus 35377
• Efficiency-sensitive mobile designs at 28 W, with ECC and LPDDR5X support

Intel Core Ultra 5 235T wins for:

• Modern rendering throughput: R23 multi-core at 26232, up 30.2 percent
• Any latency-bound or single-threaded task: up 45 percent in R23 single-core, 10.1 percent in Passmark single-thread
• Floating point and compute-heavy primitives: 48.9 percent ahead in floating point math, 72 percent ahead in prime finding
• Encryption (30.7 percent ahead) and physics simulation (26.8 percent ahead)
• Bandwidth-hungry desktop builds needing DDR5 at 102.4 GB/s and PCIe Gen 5