CPU
GPU
EPYC 8124P
EPYC 4345P
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 8124P
Performance Per Dollar EPYC 4345P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 8124P | EPYC 4345P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($639) | ✅ More affordable ($329) |
| Longevity | ✨ Modern (Siena (2023−2024) / 5 nm) | ✨ Modern (Grado (2025) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 8124P | EPYC 4345P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+94%) |
| Upfront Cost | ⚠️ Higher cost ($639) | ✅ More affordable ($329) |
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 8124P and EPYC 4345P
EPYC 8124P
The EPYC 8124P is manufactured by AMD. It was released in 18 September 2023 (2 years ago). It is based on the Siena (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.45 GHz, with boost up to 3 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 125 Watt. Memory support: DDR5. Passmark benchmark score: 36,079 points. Launch price was $639.
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.
Processing Power
The EPYC 8124P packs 16 cores / 32 threads, while the EPYC 4345P offers 8 cores / 16 threads — the EPYC 8124P has 8 more cores. Boost clocks reach 3 GHz on the EPYC 8124P versus 5.5 GHz on the EPYC 4345P — a 58.8% clock advantage for the EPYC 4345P (base: 2.45 GHz vs 3.8 GHz). The EPYC 8124P uses the Siena (2023−2024) architecture (5 nm), while the EPYC 4345P uses Grado (2025) (4 nm). In PassMark, the EPYC 8124P scores 36,079 against the EPYC 4345P's 36,006 — a 0.2% lead for the EPYC 8124P. L3 cache: 64 MB (total) on the EPYC 8124P vs 32 MB (total) on the EPYC 4345P.
| Feature | EPYC 8124P | EPYC 4345P |
|---|---|---|
| Cores / Threads | 16 / 32+100% | 8 / 16 |
| Boost Clock | 3 GHz | 5.5 GHz+83% |
| Base Clock | 2.45 GHz | 3.8 GHz+55% |
| L3 Cache | 64 MB (total)+100% | 32 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 4 nm-20% |
| Architecture | Siena (2023−2024) | Grado (2025) |
| PassMark | 36,079 | 36,006 |
Memory & Platform
The EPYC 8124P uses the SP6 socket (PCIe 4.0), while the EPYC 4345P uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the EPYC 8124P versus 5600 on the EPYC 4345P — the EPYC 4345P supports 15.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 8124P supports up to 2048 of RAM compared to 128 — 176.5% more capacity for professional workloads. Memory channels: 6 (EPYC 8124P) vs 2 (EPYC 4345P). PCIe lanes: 96 (EPYC 8124P) vs 28 (EPYC 4345P) — the EPYC 8124P offers 68 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP6 (EPYC 8124P) and AM5 (EPYC 4345P).
| Feature | EPYC 8124P | EPYC 4345P |
|---|---|---|
| Socket | SP6 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 4800 | 5600+17% |
| Max RAM Capacity | 2048+1500% | 128 |
| RAM Channels | 6+200% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 96+243% | 28 |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support AMD-V, IOMMU virtualization. The EPYC 4345P includes integrated graphics (AMD Radeon Graphics), while the EPYC 8124P requires a dedicated GPU. Direct competitor: EPYC 8124P rivals Xeon Gold 6426Y; EPYC 4345P rivals Xeon E-2488.
| Feature | EPYC 8124P | EPYC 4345P |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon Graphics |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V, IOMMU | AMD-V, IOMMU |
Value Analysis
The EPYC 8124P launched at $639 MSRP, while the EPYC 4345P debuted at $329. At current prices ($639 vs $329), the EPYC 4345P is $310 cheaper. In terms of value (PassMark points per dollar), the EPYC 8124P delivers 56.5 pts/$ vs 109.4 pts/$ for the EPYC 4345P — making the EPYC 4345P the 63.9% better value option.
| Feature | EPYC 8124P | EPYC 4345P |
|---|---|---|
| MSRP | $639 | $329-49% |
| Avg Price (30d) | $639 | $329-49% |
| Performance per Dollar | 56.5 | 109.4+94% |
| Release Date | 2023 | 2025 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on EPYC 8124P and EPYC 4345P
