AMD EPYC 7313P vs AMD Ryzen AI Max 390 Comparison

Where Each One Wins

The recorded benchmark data splits cleanly into two very different profiles. The AMD Ryzen AI Max 390 wins 12 of the 17 head-to-head comparisons, while the AMD EPYC 7313P takes 5. That raw count, however, hides the real story: these are not competing for the same jobs.

The Ryzen AI Max 390 dominates single-thread performance. Its PassMark single-thread score of 4028 versus 2634 for the EPYC 7313P is a 52.9% advantage, the largest margin in the entire comparison. That same pattern repeats across Cinebench. Every Cinebench test, R15, R20, and R23, in both single-core and multi-core variants, goes to the Ryzen AI Max 390 by a consistent 3.2%. The AI Max 390 also leads in floating-point math by 10.1%, extended instructions by 18.1%, and integer math by a narrow 0.7%. For workloads that depend on responsive single-core execution, instruction throughput, or per-core efficiency, the AI Max 390 is the clear choice.

The EPYC 7313P wins in a different set of tasks. It leads in data compression by 7.8%, data encryption by 29.8%, physics calculations by 34.7%, and random string sorting by 15.1%. These are all workloads that scale with core count and memory bandwidth. The EPYC 7313P brings 16 cores and 32 threads, alongside a 128 MB shared L3 cache and eight-channel DDR4 memory. The data shows it is built for server-oriented batch workloads, not desktop responsiveness.

The average benchmark score reinforces the split. The Ryzen AI Max 390 averages 56273 across all tests, which places it in the 91st percentile of all CPUs. The EPYC 7313P averages 53206, also in the 91st percentile. Both are strong parts, but the AI Max 390 edges ahead in the overall average. Interestingly, the AI Max 390's nearest rivals by average score include the Intel Core i9-14900HX, which sits 0.5% behind, while the EPYC 7313P's nearest rival is the AMD Ryzen 9 7900X, only 0.2% behind. The two CPUs occupy similar performance tiers overall, but they reach those tiers through completely different means.

Architecture Differences

The Ryzen AI Max 390 uses Zen 5 architecture on TSMC's 4 nm process. The EPYC 7313P uses Zen 3 on a 7 nm process. That process gap alone explains much of the efficiency and clock speed difference. The AI Max 390 boosts to 5.00 GHz with a 55 W TDP, while the EPYC 7313P boosts to 3.70 GHz with a 155 W TDP. The newer, smaller process node allows the mobile part to run faster while consuming far less power.

Core counts differ significantly. The AI Max 390 has 12 cores and 24 threads. The EPYC 7313P has 16 cores and 32 threads. Despite having fewer cores, the AI Max 390 wins every Cinebench multi-core test by 3.2%. That is a direct result of the clock speed advantage and per-core IPC improvements in Zen 5.

Cache layouts are also distinct. The AI Max 390 uses 80 KB of L1 per core, 1 MB of L2 per core, and 64 MB of shared L3. The EPYC 7313P uses 64 KB of L1 per core, 512 KB of L2 per core, and 128 MB of shared L3. The EPYC's larger L3 is a classic server design choice, feeding a wider range of data-heavy workloads. The AI Max 390's larger per-core L1 and L2 caches suit its higher-clock, lower-thread-count design.

Memory support is another major differentiator. The AI Max 390 uses LPDDR5X in a quad-channel configuration with 256.0 GB/s of bandwidth. The EPYC 7313P uses DDR4 in an eight-channel configuration with 204.8 GB/s of bandwidth. The AI Max 390 actually has more total memory bandwidth despite fewer channels, thanks to the faster memory type. Both support ECC memory, which matters for data integrity in professional workloads.

The platforms could not be more different. The AI Max 390 uses AMD Socket FP11, a mobile socket, and includes integrated Radeon 8050S graphics. The EPYC 7313P uses AMD Socket SP3, a server socket, and has no integrated graphics. The EPYC 7313P offers PCIe Gen 4 with 128 lanes, while the AI Max 390 offers PCIe Gen 4 with 16 lanes. That is a massive difference in expansion capability. The EPYC 7313P is built to populate a server board with many GPUs, NVMe drives, and network cards. The AI Max 390 is a mobile SoC designed to be a complete package in a single device.

The die sizes reflect their different manufacturing approaches. The AI Max 390 uses two chiplets of 70.6 mm² each. The EPYC 7313P uses four chiplets of 81 mm² each, containing 16,600 million transistors. The EPYC also launched earlier, in March 2021, while the AI Max 390 arrived in January 2025. The market segments are listed as Mobile for the AI Max 390 and Server/Workstation for the EPYC 7313P.

FAQ

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

A: The Ryzen AI Max 390. It scores 4028 in PassMark single-thread versus 2634 for the EPYC 7313P, a 52.9% lead. It also wins every Cinebench single-core test by 3.2%.

Q: Does the EPYC 7313P have more cores?

A: Yes. The EPYC 7313P has 16 cores and 32 threads, while the Ryzen AI Max 390 has 12 cores and 24 threads. Despite this, the AI Max 390 wins all Cinebench multi-core tests.

Q: Which CPU has better memory bandwidth?

A: The Ryzen AI Max 390. It provides 256.0 GB/s over quad-channel LPDDR5X, compared to 204.8 GB/s over eight-channel DDR4 for the EPYC 7313P. Both support ECC memory.

Q: Which workloads favor the EPYC 7313P?

A: The EPYC 7313P wins in data encryption by 29.8%, physics by 34.7%, random string sorting by 15.1%, data compression by 7.8%, and find prime numbers by 8.7%. These are throughput-oriented tasks that scale with its 16 cores and 128 MB L3 cache.

Q: What is the launch MSRP of the EPYC 7313P?

A: The launch MSRP is $913. The Ryzen AI Max 390 has no recorded launch MSRP in the database.

Q: How do their average benchmark scores compare?

A: The Ryzen AI Max 390 averages 56273, and the EPYC 7313P averages 53206. Both sit in the 91st percentile of all CPUs. The AI Max 390's closest rival is the Intel Core i9-14900HX at 0.5% behind, while the EPYC 7313P's closest rival is the AMD Ryzen 9 7900X at 0.2% behind.

Specification Differences

| Field | AMD Ryzen AI Max 390 | AMD EPYC 7313P |

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

| Cores | 12 | 16 |

| Threads | 24 | 32 |

| Base clock | 3.20 GHz | 3.00 GHz |

| Boost clock | 5.00 GHz | 3.70 GHz |

| TDP | 55 W | 155 W |

| Socket | AMD Socket FP11 | AMD Socket SP3 |

| Architecture | Zen 5 | Zen 3 |

| Codename | Strix Halo | Milan |

| Process node | 4 nm | 7 nm |

| Transistors | Not recorded | 16,600 million |

| Die size | 2x 70.6 mm² | 4x 81 mm² |

| L1 cache | 80 KB per core | 64 KB per core |

| L2 cache | 1 MB per core | 512 KB per core |

| L3 cache | 64 MB shared | 128 MB shared |

| Memory type | LPDDR5X | DDR4 |

| Memory bus | Quad-channel | Eight-channel |

| Memory bandwidth | 256.0 GB/s | 204.8 GB/s |

| PCIe | Gen 4, 16 lanes | Gen 4, 128 lanes |

| Integrated graphics | Radeon 8050S | None |

| Market segment | Mobile | Server/Workstation |

| Release date | 2025-01-05 | 2021-03-14 |

| Launch MSRP | Not recorded | $913 |

Head-to-Head Benchmarks

The single-thread results are the most striking. In PassMark single-thread, the Ryzen AI Max 390 scores 4028 against 2634 for the EPYC 7313P. That is a 52.9% margin, the largest of any test. The same story appears in Cinebench R23 single-core: 5091 versus 4934, a 3.2% win. Cinebench R20 single-core shows 2138 versus 2072, and Cinebench R15 single-core shows 513 versus 497, both also 3.2% wins. The AI Max 390's boost clock of 5.00 GHz versus 3.70 GHz is the obvious driver.

Multi-core Cinebench results also favor the AI Max 390, despite the EPYC's extra 4 cores. Cinebench R23 multi-core gives the AI Max 390 a score of 36064 against 34952. Cinebench R20 multi-core shows 15146 versus 14679. Cinebench R15 multi-core shows 3635 versus 3522. All three are 3.2% wins. The AI Max 390's higher clocks and Zen 5 efficiency overcome the core count deficit.

PassMark multithread follows the same pattern. The AI Max 390 scores 41737, and the EPYC 7313P scores 41121, a 1.5% win. PassMark integer math is nearly a tie: 146519 versus 145558, a 0.7% win for the AI Max 390. PassMark floating-point math gives the AI Max 390 a 10.1% win, 90594 versus 82260. PassMark extended instructions shows an 18.1% win for the AI Max 390, 38716 versus 32784.

The EPYC 7313P takes its biggest win in PassMark physics: 4229 versus 2761, a 34.7% margin. Data encryption is the next-largest EPYC win at 29.7%: 35727 versus 25097. Random string sorting goes to the EPYC 7313P by 15.1%: 62596 versus 53113. Data compression is a 7.8% win for the EPYC: 528167 versus 487145. Find prime numbers is an 8.7% win for the EPYC 7313P: 346 versus 316.

The EPYC's wins cluster in tasks that use its 16 cores, 32 threads, and 128 MB L3 cache. Physics, encryption, compression, and sorting are all classic server workloads. The AI Max 390's wins cover the rest: every Cinebench test, single-thread PassMark, floating-point math, extended instructions, integer math, and multithread. In total, the AI Max 390 wins 12 tests, and the EPYC 7313P wins 5.

The Verdict

Choose the Ryzen AI Max 390 if you need maximum per-core speed, a single-thread leader, or a power-efficient mobile platform. It wins every Cinebench test, leads PassMark single-thread by 52.9%, and does it all within a 55 W TDP. Its 256.0 GB/s of LPDDR5X bandwidth and integrated Radeon 8050S graphics make it a complete all-in-one solution for a laptop or compact system. The 12 cores and 24 threads are more than adequate for most professional workloads, and the 91st percentile average score of 56273 puts it in the same tier as the Intel Core i9-14900HX.

Choose the AMD EPYC 7313P if your workloads are server-native: heavy encryption, data compression, physics simulation, or large-scale sorting. It wins those specific tasks by margins up to 34.7%, and its 128 MB L3 cache and 128 PCIe Gen 4 lanes make it the right fit for a workstation or server chassis. The launch MSRP of $913 reflects its enterprise positioning. The 16 cores and 32 threads, combined with eight-channel DDR4 memory, are built for throughput, not latency. Its 91st percentile average of 53206 is close to the AI Max 390, but the EPYC achieves that score in entirely different workloads.

In short, the AI Max 390 is the better general-purpose processor for interactive and mixed workloads, while the EPYC 7313P is the specialized server part. The data does not show one as a clear winner overall; it shows two tools built for different jobs. Match the CPU to the workload, and both are excellent choices.