CPU
GPU
EPYC 4345P
Ryzen AI 9 HX 370
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar EPYC 4345P
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 4345P | Ryzen AI 9 HX 370 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($329) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Grado (2025) / 4 nm) | ✨ Modern (Strix Point (2024−2025) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 4345P | Ryzen AI 9 HX 370 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($329) | ✅ More affordable ($0) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of EPYC 4345P and Ryzen AI 9 HX 370
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 29% 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 — 66.7% 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 | ✅ | ❌ |
| 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
The EPYC 4345P launched at $329 MSRP, while the Ryzen AI 9 HX 370 debuted at $0. At current prices ($329 vs $0), the Ryzen AI 9 HX 370 is $329 cheaper.
| Feature | EPYC 4345P | Ryzen AI 9 HX 370 |
|---|---|---|
| MSRP | $329 | $0-100% |
| Avg Price (30d) | $329 | $0-100% |
| Performance per Dollar | 109.4 | — |
| Release Date | 2025 | 2024 |
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