AMD Ryzen 9 9950X3D vs Intel Core Ultra 5 225T Comparison

Head-to-Head Benchmarks

The benchmark data presents a decisive matchup. Across the 15 directly comparable tests, the AMD Ryzen 9 9950X3D claims 14 victories, while the Intel Core Ultra 5 225T secures a single win. The scale of the AMD advantage is substantial in most workloads, though the Intel part demonstrates a notable strength in one specific single-threaded test.

The largest margins appear in compute-heavy PassMark workloads. The Ryzen 9 9950X3D scores 243,209 in integer math versus 59,543 for the Ultra 5 225T, a 308.5% advantage. Data compression shows a 288.2% gap, with scores of 908,421 and 233,998 respectively. Extended instruction performance follows a similar pattern: 73,011 against 20,083, a 263.5% delta. Random string sorting delivers a 231.6% lead for AMD, with 95,423 points compared to 28,774.

The gap narrows but remains decisive in multi-core rendering. Cinebench R23 multi-core results place the Ryzen 9 9950X3D at 42,018, while the Core Ultra 5 225T manages 21,971, a 91.2% difference. The older Cinebench R15 multi-core test shows a 195.2% gap, with scores of 6,536 and 2,214. PassMark multi-thread performance records 70,255 for AMD versus 25,358 for Intel, a 177.1% lead. Physics simulation also favors AMD heavily: 5,670 points against 2,053, a 176.2% delta.

Moderate advantages appear in other areas. Data encryption shows a 143.5% lead for AMD, scoring 44,536 versus 18,289. Prime number finding results in a 115.8% advantage, with 613 points against 284. Floating point math delivers a 93% lead, 159,724 versus 82,751.

Single-thread results are closer but still favor AMD in the recorded tests. Cinebench R15 single-core shows a 12.2% advantage for the Ryzen 9 9950X3D, with 350 points versus 312. PassMark single-thread scores are 4,737 versus 4,348, an 8.9% delta. The one Intel victory comes in Cinebench R23 single-core, where the Core Ultra 5 225T scores 3,101 against AMD's 2,259, a 27.2% advantage for Intel. This single result stands apart from the broader trend, indicating a specific workload where the Intel architecture holds an edge.

FAQ

Q: Which processor has the higher average benchmark score?

A: The AMD Ryzen 9 9950X3D records an average benchmark score of 75,779, compared to 30,468 for the Intel Core Ultra 5 225T.

Q: How does the Ryzen 9 9950X3D compare to its nearest rivals?

A: The database places it at the 95th percentile among all CPUs. It sits 0.1% ahead of the AMD Ryzen 7 PRO 9755 and the AMD Ryzen 7 PRO 9755X3D, 0.3% ahead of the AMD EPYC 8224P, and 0.4% ahead of the Intel Core Ultra 9 285.

Q: Where does the Intel Core Ultra 5 225T rank among all CPUs?

A: It records an 82nd percentile position. Its closest competitors are the Intel Core i9-11980HK at 0.2% higher average score, the AMD Ryzen 5 7640HS at 0.3% higher, and the Intel Core i5-13600H at 0.3% lower average score.

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

A: The biggest delta appears in PassMark integer math, where the Ryzen 9 9950X3D leads by 308.5%. Data compression follows at 288.2%, and extended instructions at 263.5%.

Q: In which benchmark does the Intel Core Ultra 5 225T outperform the AMD processor?

A: The Intel part wins Cinebench R23 single-core, scoring 3,101 versus 2,259, a 27.2% advantage. This is the only head-to-head test where the Intel processor takes first place.

Q: What are the thread counts for each processor?

A: The AMD Ryzen 9 9950X3D offers 16 cores and 32 threads. The Intel Core Ultra 5 225T provides 10 cores and 10 threads, meaning it has no simultaneous multithreading.

Architecture Differences

The two processors derive from fundamentally different design philosophies. The AMD Ryzen 9 9950X3D uses the Zen 5 architecture on the Granite Ridge codename, built on a 4 nm process at TSMC. It packs 16,630 million transistors across a dual-die layout with each die measuring 70.6 mm². The Intel Core Ultra 5 225T employs the Arrow Lake architecture, specifically Arrow Lake-S, fabricated on a 3 nm process also at TSMC. This chip integrates 17,800 million transistors on a single 243 mm² die.

Cache organization differs substantially. The AMD processor allocates 80 KB of L1 cache per core and 1 MB of L2 cache per core. Its L3 cache totals 128 MB. The Intel processor provides 192 KB of L1 per core and 3 MB of L2 per core, with a shared 20 MB L3 pool. The AMD chip's larger L3 capacity and per-core cache structure target high-bandwidth workloads, while the Intel design uses a more conventional shared L3 arrangement.

Both processors support DDR5 memory in a dual-channel configuration, but memory bandwidth differs. AMD records 89.6 GB/s, while Intel reaches 102.4 GB/s. ECC memory support is present on the AMD chip but absent on the Intel part. PCIe connectivity also varies: AMD offers Gen 5 with 24 lanes (CPU only), while Intel provides Gen 5 with 20 lanes (CPU only).

Integrated graphics distinguish the two as well. AMD includes Radeon Graphics, while Intel uses Arc Xe-LPG Graphics with 16 execution units. The AMD processor has an unlocked multiplier, allowing overclocking, while the Intel processor is locked. The AMD part carries the part number 100-000000719; the Intel part number is listed as unknown.

Specification Differences

The recorded specifications show clear divergence between the two processors. Core counts differ: 16 cores and 32 threads for AMD versus 10 cores and 10 threads for Intel. Clock speeds also diverge, with AMD's base clock at 4.30 GHz and boost at 5.70 GHz, while Intel runs at 2.50 GHz base and 4.90 GHz boost. Thermal design power stands at 170 W for AMD and 65 W for Intel.

Sockets are incompatible, with AMD using Socket AM5 and Intel using Socket 1851. The process nodes differ at 4 nm for AMD and 3 nm for Intel, despite both using TSMC as the foundry. Transistor counts and die sizes show distinct physical designs, as detailed above. Cache hierarchies differ across all three levels. Memory bandwidth favors Intel at 102.4 GB/s versus 89.6 GB/s, though ECC support exists only on AMD. PCIe lane counts favor AMD at 24 versus 20. The release dates place Intel's launch at the end of 2024, while AMD's dates to early 2025. The AMD processor lists a launch MSRP of $699; no launch MSRP is recorded for the Intel part.

Where Each One Wins

The AMD Ryzen 9 9950X3D dominates almost every measured category, making it the clear choice for multi-threaded and compute-intensive tasks. Its 32 threads allow it to excel in rendering, physics simulation, data compression, and encryption workloads. The 195.2% lead in Cinebench R15 multi-core and the 91.2% lead in Cinebench R23 multi-core indicate strong scaling across cores. PassMark results reinforce this pattern: integer math, floating point math, and extended instructions all show triple-digit percentage leads. For users running CPU-bound productivity, content creation, or scientific workloads, the data points squarely to the AMD processor.

The Intel Core Ultra 5 225T wins only in Cinebench R23 single-core, where its 3,101 score outpaces AMD's 2,259 by 27.2%. This suggests the Intel architecture can deliver strong performance in lightly threaded tasks that rely on a single core's efficiency, particularly in this specific rendering workload. The Intel chip also carries a much lower TDP of 65 W against AMD's 170 W, which indicates a more power-conscious design, though the database does not record direct power consumption measurements. The higher memory bandwidth of 102.4 GB/s versus 89.6 GB/s could benefit memory-sensitive workloads, though the benchmark data does not isolate that factor.

The average benchmark scores place the Ryzen 9 9950X3D at the 95th percentile, while the Core Ultra 5 225T sits at the 82nd percentile. The AMD part's nearest rivals include other high-end desktop chips like the AMD Ryzen 7 PRO 9755 and the Intel Core Ultra 9 285, with deltas of 0.1% and 0.4% respectively. The Intel part's rivals include mobile and older desktop chips such as the Intel Core i9-11980HK and the AMD Ryzen 5 7640HS, with deltas around 0.2% to 0.3%. This positioning confirms that the Ryzen 9 9950X3D competes in a higher performance tier altogether.

For single-threaded tasks beyond that one Cinebench R23 result, the AMD chip still leads, with an 8.9% advantage in PassMark single-thread and a 12.2% lead in Cinebench R15 single-core. The 3DMark results, available only for the AMD processor, show scores of 16,374 for 16 threads, 2,549 for 2 threads, 4,963 for 4 threads, 9,259 for 8 threads, 17,184 for max threads, and 1,292 for single thread. These figures reinforce the AMD chip's balanced capability across varying thread counts.

The Intel Core Ultra 5 225T offers a lower TDP and a newer 3 nm process node, but the benchmark evidence shows it cannot match the AMD processor's throughput in most tests. The single Cinebench R23 single-core win is notable but does not offset the 14 other defeats. The data indicates that the AMD Ryzen 9 9950X3D is the stronger performer across the recorded benchmark suite, with the Intel part's advantages limited to specific efficiency metrics and one rendering test.