EPYC 4345P vs M3 Max 14-Core
EPYC 4345P
M3 Max 14-Core
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 M3 Max 14-Core
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 4345P | M3 Max 14-Core |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($329) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Grado (2025) / 4 nm) | ✨ Modern (Legacy / 3 nm) |
💎 Value Proposition
| Insight | EPYC 4345P | M3 Max 14-Core |
|---|---|---|
| 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 M3 Max 14-Core
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.
M3 Max 14-Core
The M3 Max 14-Core is manufactured by Apple. It was released in 30 October 2023 (2 years ago). It features 14 cores and 14 threads. Base frequency is 2.748 GHz, with boost up to 4.06 GHz. Built on 3 nm process technology. Socket: none. Memory support: LPDDR5. Passmark benchmark score: 36,529 points. Launch price was $499.
Processing Power
The EPYC 4345P packs 8 cores / 16 threads, while the M3 Max 14-Core offers 14 cores / 14 threads — the M3 Max 14-Core has 6 more cores. Boost clocks reach 5.5 GHz on the EPYC 4345P versus 4.06 GHz on the M3 Max 14-Core — a 30.1% clock advantage for the EPYC 4345P (base: 3.8 GHz vs 2.748 GHz). The EPYC 4345P is built on the Grado (2025) architecture. In PassMark, the EPYC 4345P scores 36,006 against the M3 Max 14-Core's 36,529 — a 1.4% lead for the M3 Max 14-Core.
| Feature | EPYC 4345P | M3 Max 14-Core |
|---|---|---|
| Cores / Threads | 8 / 16 | 14 / 14+75% |
| Boost Clock | 5.5 GHz+35% | 4.06 GHz |
| Base Clock | 3.8 GHz+38% | 2.748 GHz |
| L3 Cache | 32 MB (total) | — |
| L2 Cache | 1 MB (per core) | — |
| Process | 4 nm | 3 nm-25% |
| Architecture | Grado (2025) | — |
| PassMark | 36,006 | 36,529+1% |
Memory & Platform
The EPYC 4345P uses the AM5 socket (PCIe 4.0), while the M3 Max 14-Core uses none (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the EPYC 4345P versus 6400 on the M3 Max 14-Core — the M3 Max 14-Core supports 13.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 4345P supports up to 128 of RAM compared to 96 — 28.6% more capacity for professional workloads. Memory channels: 2 (EPYC 4345P) vs 0 (M3 Max 14-Core). PCIe lanes: 28 (EPYC 4345P) vs 0 (M3 Max 14-Core) — the EPYC 4345P offers 28 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4345P) and Apple M3 (M3 Max 14-Core).
| Feature | EPYC 4345P | M3 Max 14-Core |
|---|---|---|
| Socket | AM5 | none |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 5600 | 6400+14% |
| Max RAM Capacity | 128+33% | 96 |
| RAM Channels | 2 | 0 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 28 | 0 |
Advanced Features
Neither processor supports overclocking. Only the EPYC 4345P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V, IOMMU (EPYC 4345P) vs VT-x, VT-d (macOS) (M3 Max 14-Core). Both include integrated graphics — AMD Radeon Graphics (EPYC 4345P) and Apple M3 Max GPU (30-core) (M3 Max 14-Core) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: EPYC 4345P rivals Xeon E-2488; M3 Max 14-Core rivals Core i9-13900HX.
| Feature | EPYC 4345P | M3 Max 14-Core |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | AMD Radeon Graphics | Apple M3 Max GPU (30-core) |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | AMD-V, IOMMU | VT-x, VT-d (macOS) |
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