AMD Ryzen AI Embedded P164 vs Intel Xeon 6505P Comparison

The Intel Xeon 6505P is the undisputed throughput champion, winning 9 of 11 head-to-head benchmark comparisons and delivering leads from 37% to over 205% in multi-threaded workloads. The AMD Ryzen AI Embedded P164 counters in only the single-threaded tests, where its 5.00 GHz boost clock and newer process node give it a 20.9% advantage. For server and workstation tasks that scale across cores, the Xeon 6505P is the clear choice; for low-power embedded systems prioritizing per-core responsiveness, the Ryzen AI P164 is the winner.

Where Each One Wins

The Intel Xeon 6505P dominates every parallel and compute-intensive workload in the benchmark set. Its 12 cores and 24 threads, combined with 48 MB of shared L3 cache, produce a 48.5% lead in Passmark multithread, a 66.7% advantage in floating-point math, and a 205.6% blowout in prime number finding. Data compression (46.5% ahead), data encryption (52.3% ahead), extended instructions (55.1% ahead), integer math (37% ahead), physics (147.2% ahead), and random string sorting (50.5% ahead) all fall to the Intel part. This is a processor engineered for throughput, and every benchmark that rewards parallel execution confirms it.

The AMD Ryzen AI Embedded P164 wins exactly one unique test category: single-thread performance. Its Passmark single-thread score of 4029 versus 3187 for the Xeon represents a 20.9% advantage. This result stems from the AMD’s 5.00 GHz boost clock and its 4 nm process node, which allows higher frequencies at dramatically lower power. The Ryzen also wins the duplicate singlethread test by the same margin, but its wins stop there. No multi-core benchmark falls to AMD; the 8-core, 16-thread configuration simply cannot match the Intel’s 12-core, 24-thread parallel capacity.

The use-case split is stark. The Xeon 6505P is for rack-mounted servers, virtualization hosts, and workstation workloads where every extra core translates into faster batch processing. The Ryzen AI P164 is for embedded systems, edge devices, and mobile-class platforms where single-thread latency matters more than raw aggregate throughput, and where the 28 W TDP allows fanless or low-power designs.

Architecture Differences

The two processors come from opposite design philosophies. The Intel Xeon 6505P uses Granite Rapids architecture on a 5 nm process built by Intel, while the AMD Ryzen AI P164 uses Gorgon Point architecture on a 4 nm process built by TSMC. Intel allocates 12 cores and 24 threads; AMD allocates 8 cores and 16 threads. Each Intel core carries 112 KB of L1 and 2 MB of L2, while each AMD core carries 80 KB of L1 and 1 MB of L2. The Intel L3 cache is 48 MB shared, versus 8 MB for the AMD. The AMD die size is 233 mm²; the Intel die size is not reported.

Memory architecture further separates them. The Xeon supports DDR5 across an eight-channel memory bus, yielding a memory bandwidth of 409.6 GB/s. The Ryzen supports DDR5 and LPDDR5X across a dual-channel bus, with 89.6 GB/s bandwidth. That is a 4.6-fold bandwidth difference, which directly explains the Intel’s large leads in data compression, encryption, and floating-point math. The Xeon also provides 88 PCIe Gen 5 lanes (CPU only), while the AMD provides 16 PCIe Gen 4 lanes (CPU only). For storage arrays, GPU clusters, or high-speed networking, the Intel platform offers far more expansion headroom.

Both support ECC memory, a critical feature for data integrity in server and embedded environments. The Intel has no integrated graphics, while the AMD includes a Radeon 880M iGPU — a significant advantage for embedded systems that need display output without a discrete GPU. The Intel socket is Socket 4710; the AMD is Socket FP8. The Intel TDP is 150 W; the AMD TDP is 28 W. The Intel launched on 2025-02-23 with a launch MSRP of $563; the AMD launched on 2026-03-08 with no reported MSRP. The Intel part number is SRVU7; the AMD part number is unknown.

Head-to-Head Benchmarks

The largest single win for the Intel Xeon 6505P is in Passmark find prime numbers, where it scores 217 versus 71 for the AMD — a 205.6% margin. This test is highly sensitive to core count and memory bandwidth, and the Xeon’s 12 cores and 409.6 GB/s bandwidth overwhelm the AMD’s 8 cores and 89.6 GB/s. Physics follows at 147.2% (2991 vs 1210), another heavily parallel workload that rewards raw thread throughput. Floating-point math shows a 66.7% lead (92992 vs 55799), and extended instructions a 55.1% lead (37515 vs 24193). These are not marginal differences; they are generational gaps in compute capacity.

Data encryption shows a 52.3% lead (24458 vs 16055), reflecting the Intel’s larger L3 cache and higher memory bandwidth for cryptographic workloads. Random string sorting is 50.5% ahead (52372 vs 34801), and multithread overall is 48.5% ahead (38456 vs 25889). Data compression comes in at 46.5% (480368 vs 327891), and integer math at 37% (120456 vs 87940). Every one of these wins exceeds 37%, meaning the Xeon is not just faster — it is categorically faster in parallel scenarios.

The AMD Ryzen AI P164’s only wins are in single-thread tests. Its Passmark single-thread score of 4029 beats the Xeon’s 3187 by 20.9%. This is consistent with its 5.00 GHz boost clock versus the Xeon’s 4.10 GHz boost. The AMD’s 4 nm process allows higher clock speeds at lower power, and the Zen 5 / Zen 5c architecture delivers superior per-core instructions per cycle. In any workload that runs on one or two threads, the AMD will feel snappier. But the benchmark data shows no multi-threaded scenario where the AMD closes the gap.

The average benchmark scores tell a similar story. The Xeon averages 53701 points across all benchmarks, while the AMD averages 52901 — a 1.5% difference in favor of Intel. Both sit at the 91st percentile of all CPUs. The Xeon’s nearest rival is the Intel Core i7-14700F (0.2% ahead) and the AMD Ryzen 9 7900X (0.8% ahead). The AMD’s nearest rival is the AMD Ryzen 5 9500F (0.1% ahead) and the Intel Xeon 634 (0.1% behind). These close averages mask the wildly divergent workload profiles: the Xeon’s multi-core strength and the AMD’s single-core edge balance out in aggregate.

The Verdict

Choose the Intel Xeon 6505P for any workload that scales with cores and memory bandwidth. The data shows 9 wins out of 11 head-to-head tests, with margins from 37% to 205.6%. Server virtualization, database processing, scientific computation, and content rendering will all favor the Xeon. Its 48 MB L3 cache, eight-channel DDR5, and 409.6 GB/s bandwidth make it a data-crunching monster. The 150 W TDP and Socket 4710 requirement mean it belongs in a workstation or server chassis, not a compact embedded box. The launch MSRP of $563 positions it as a high-volume server part.

Choose the AMD Ryzen AI Embedded P164 for single-thread responsiveness and low-power operation. Its 20.9% single-thread lead over the Xeon is real and measurable, and its 28 W TDP is less than one-fifth of the Intel’s. The integrated Radeon 880M GPU eliminates the need for a discrete graphics card, and the dual-channel DDR5/LPDDR5X support suits compact embedded designs. The 8 MB L3 cache and 89.6 GB/s bandwidth are sufficient for edge inference, industrial controllers, and thin-client workloads. If your application is latency-sensitive on a per-core basis, the AMD wins. If your application is throughput-sensitive, the Intel wins by a wide margin.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Xeon 6505P has 12 cores and 24 threads. The AMD Ryzen AI Embedded P164 has 8 cores and 16 threads.

Q: What is the biggest benchmark margin between the two?

A: The Intel Xeon 6505P wins Passmark find prime numbers by 205.6% (217 vs 71), the largest single-test gap in the head-to-head data.

Q: Does the AMD Ryzen AI P164 win any benchmarks?

A: Yes, it wins the Passmark single-thread and singlethread tests by 20.9% (4029 vs 3187), but it loses all nine multi-threaded benchmark comparisons.

Q: How much memory bandwidth does each processor support?

A: The Intel Xeon 6505P supports 409.6 GB/s via an eight-channel DDR5 bus. The AMD Ryzen AI P164 supports 89.6 GB/s via a dual-channel DDR5/LPDDR5X bus.

Q: Which processor has integrated graphics?

A: The AMD Ryzen AI Embedded P164 includes a Radeon 880M iGPU. The Intel Xeon 6505P has no integrated graphics (N/A).

Q: What are the TDP ratings?

A: The Intel Xeon 6505P has a 150 W TDP. The AMD Ryzen AI Embedded P164 has a 28 W TDP.

Specification Differences

| Specification | Intel Xeon 6505P | AMD Ryzen AI Embedded P164 |

|---|---|---|

| Cores | 12 | 8 |

| Threads | 24 | 16 |

| Base Clock | 2.20 GHz | 2.00 GHz |

| Boost Clock | 4.10 GHz | 5.00 GHz |

| TDP | 150 W | 28 W |

| Socket | Intel Socket 4710 | AMD Socket FP8 |

| Process Node | 5 nm | 4 nm |

| Foundry | Intel | TSMC |

| Die Size | Not reported | 233 mm² |

| L1 Cache | 112 KB (per core) | 80 KB (per core) |

| L2 Cache | 2 MB (per core) | 1 MB (per core) |

| L3 Cache | 48 MB (shared) | 8 MB |

| Memory Support | DDR5 | DDR5, LPDDR5X |

| Memory Bus | Eight-channel | Dual-channel |

| Memory Bandwidth | 409.6 GB/s | 89.6 GB/s |

| ECC Memory | Yes | Yes |

| PCIe | Gen 5, 88 Lanes (CPU only) | Gen 4, 16 Lanes (CPU only) |

| Integrated Graphics | N/A | Radeon 880M |

| Market Segment | Server/Workstation | Mobile |

| Release Date | 2025-02-23 | 2026-03-08 |

| Launch MSRP | $563 | Not reported |

| Part Number | SRVU7 | Unknown |