EPYC 4345P
Ryzen AI 9 HX 370
EPYC 4345P vs Ryzen AI 9 HX 370 Performance Spectrum
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
EPYC 4345P vs Ryzen AI 9 HX 370 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
EPYC 4345P vs Ryzen AI 9 HX 370: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 4345P
2025Why buy it
- ✅Better for gaming: +18.9% higher average FPS across 50 shared CPU benchmark tests.
- ✅+33.3% larger total L3 cache (32 MB vs 24 MB).
- ✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads, plus 28 PCIe lanes vs 16.
- ✅75% more PCIe lanes (28 vs 16) for storage and expansion-heavy builds.
Trade-offs
- ❌Launch MSRP is still $329 MSRP, while Ryzen AI 9 HX 370 mostly shows up through inconsistent older-market listings.
- ❌132.1% higher power demand at 65W vs 28W.
Ryzen AI 9 HX 370
2024Why buy it
- ✅Draws 28W instead of 65W, a 37W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than EPYC 4345P across 50 shared CPU benchmark tests.
- ❌Lower PassMark (35,133 vs 36,006).
- ❌Smaller total L3 cache (24 MB vs 32 MB).
- ❌Less compelling for workstation-style loads than EPYC 4345P, which brings 8 cores / 16 threads and 28 PCIe lanes.
Quick Answers
So, is EPYC 4345P better than Ryzen AI 9 HX 370?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
EPYC 4345P vs Ryzen AI 9 HX 370 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
EPYC 4345P
The EPYC 4345P is manufactured by AMD. It was released in 13 May 2025 (less than a year ago). It is based on the Grado (2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.5 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 36,006 points. Launch price was $329.
Ryzen AI 9 HX 370
The Ryzen AI 9 HX 370 is manufactured by AMD. It was released in Julho 2024 (1 year ago). It is based on the Strix Point (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 2 GHz, with boost up to 5.1 GHz. L3 cache: 24 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 35,133 points. Launch price was $499.
Processing Power
The EPYC 4345P packs 8 cores / 16 threads, while the Ryzen AI 9 HX 370 offers 12 cores / 24 threads — the Ryzen AI 9 HX 370 has 4 more cores. Boost clocks reach 5.5 GHz on the EPYC 4345P versus 5.1 GHz on the Ryzen AI 9 HX 370 — a 7.5% clock advantage for the EPYC 4345P (base: 3.8 GHz vs 2 GHz). The EPYC 4345P uses the Grado (2025) architecture (4 nm), while the Ryzen AI 9 HX 370 uses Strix Point (2024−2025) (4 nm). In PassMark, the EPYC 4345P scores 36,006 against the Ryzen AI 9 HX 370's 35,133 — a 2.5% lead for the EPYC 4345P. L3 cache: 32 MB (total) on the EPYC 4345P vs 24 MB (total) on the Ryzen AI 9 HX 370.
| Feature | EPYC 4345P | Ryzen AI 9 HX 370 |
|---|---|---|
| Cores / Threads | 8 / 16 | 12 / 24+50% |
| Boost Clock | 5.5 GHz+8% | 5.1 GHz |
| Base Clock | 3.8 GHz+90% | 2 GHz |
| L3 Cache | 32 MB (total)+33% | 24 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm | 4 nm |
| Architecture | Grado (2025) | Strix Point (2024−2025) |
| PassMark | 36,006+2% | 35,133 |
Memory & Platform
The EPYC 4345P uses the AM5 socket (PCIe 4.0), while the Ryzen AI 9 HX 370 uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the EPYC 4345P versus 7500 on the Ryzen AI 9 HX 370 — the Ryzen AI 9 HX 370 supports 33.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen AI 9 HX 370 supports up to 256 of RAM compared to 128 — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (EPYC 4345P) vs 16 (Ryzen AI 9 HX 370) — the EPYC 4345P offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4345P) and FP8 (Ryzen AI 9 HX 370).
| Feature | EPYC 4345P | Ryzen AI 9 HX 370 |
|---|---|---|
| Socket | AM5 | FP8 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 5600 | 7500+34% |
| Max RAM Capacity | 128 | 256+100% |
| RAM Channels | 2 | 2 |
| ECC Support | Yes | No |
| PCIe Lanes | 28+75% | 16 |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V, IOMMU (EPYC 4345P) vs AMD-V, SVM (Ryzen AI 9 HX 370). Both include integrated graphics — AMD Radeon Graphics (EPYC 4345P) and AMD Radeon 890M (Ryzen AI 9 HX 370) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: EPYC 4345P rivals Xeon E-2488; Ryzen AI 9 HX 370 rivals Core Ultra 9 185H.
| Feature | EPYC 4345P | Ryzen AI 9 HX 370 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | AMD Radeon Graphics | AMD Radeon 890M |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V, IOMMU | AMD-V, SVM |
Value Analysis
At launch, the EPYC 4345P was priced at $329, while the Ryzen AI 9 HX 370 came in at $0. On launch pricing ($329 vs $0), Ryzen AI 9 HX 370 was $329 cheaper.
| Feature | EPYC 4345P | Ryzen AI 9 HX 370 |
|---|---|---|
| MSRP | $329 | $0-100% |
| Performance per Dollar | 109.4 | — |
| Release Date | 2025 | 2024 |
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