EPYC 4345P vs EPYC 7303P
EPYC 4345P
EPYC 7303P
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 EPYC 7303P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 4345P | EPYC 7303P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($329) | ⚠️ Higher cost ($594) |
| Longevity | ✨ Modern (Grado (2025) / 4 nm) | ✨ Modern (Milan (2021−2023) / 7 nm) |
💎 Value Proposition
| Insight | EPYC 4345P | EPYC 7303P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+78%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($329) | ⚠️ Higher cost ($594) |
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 EPYC 7303P
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.
EPYC 7303P
The EPYC 7303P is manufactured by AMD. It was released in 5 September 2023 (2 years ago). It is based on the Milan (2021−2023) architecture. It features 16 cores and 32 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 64 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 130 Watt. Memory support: DDR4. Passmark benchmark score: 36,487 points. Launch price was $594.
Processing Power
The EPYC 4345P packs 8 cores / 16 threads, while the EPYC 7303P offers 16 cores / 32 threads — the EPYC 7303P has 8 more cores. Boost clocks reach 5.5 GHz on the EPYC 4345P versus 3.4 GHz on the EPYC 7303P — a 47.2% clock advantage for the EPYC 4345P (base: 3.8 GHz vs 2.4 GHz). The EPYC 4345P uses the Grado (2025) architecture (4 nm), while the EPYC 7303P uses Milan (2021−2023) (7 nm). In PassMark, the EPYC 4345P scores 36,006 against the EPYC 7303P's 36,487 — a 1.3% lead for the EPYC 7303P. L3 cache: 32 MB (total) on the EPYC 4345P vs 64 MB (total) on the EPYC 7303P.
| Feature | EPYC 4345P | EPYC 7303P |
|---|---|---|
| Cores / Threads | 8 / 16 | 16 / 32+100% |
| Boost Clock | 5.5 GHz+62% | 3.4 GHz |
| Base Clock | 3.8 GHz+58% | 2.4 GHz |
| L3 Cache | 32 MB (total) | 64 MB (total)+100% |
| L2 Cache | 1 MB (per core)+100% | 512 kB (per core) |
| Process | 4 nm-43% | 7 nm |
| Architecture | Grado (2025) | Milan (2021−2023) |
| PassMark | 36,006 | 36,487+1% |
Memory & Platform
The EPYC 4345P uses the AM5 socket (PCIe 4.0), while the EPYC 7303P uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the EPYC 4345P versus 3200 on the EPYC 7303P — the EPYC 4345P supports 54.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7303P supports up to 4096 of RAM compared to 128 — 187.9% more capacity for professional workloads. Memory channels: 2 (EPYC 4345P) vs 8 (EPYC 7303P). PCIe lanes: 28 (EPYC 4345P) vs 128 (EPYC 7303P) — the EPYC 7303P offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4345P) and SP3 (EPYC 7303P).
| Feature | EPYC 4345P | EPYC 7303P |
|---|---|---|
| Socket | AM5 | SP3 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 5600+75% | 3200 |
| Max RAM Capacity | 128 | 4096+3100% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 128+357% |
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 7303P requires a dedicated GPU. Direct competitor: EPYC 4345P rivals Xeon E-2488; EPYC 7303P rivals Xeon Gold 6330.
| Feature | EPYC 4345P | EPYC 7303P |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V, IOMMU | AMD-V, IOMMU |
Value Analysis
The EPYC 4345P launched at $329 MSRP, while the EPYC 7303P debuted at $594. At current prices ($329 vs $594), the EPYC 4345P is $265 cheaper. In terms of value (PassMark points per dollar), the EPYC 4345P delivers 109.4 pts/$ vs 61.4 pts/$ for the EPYC 7303P — making the EPYC 4345P the 56.2% better value option.
| Feature | EPYC 4345P | EPYC 7303P |
|---|---|---|
| MSRP | $329-45% | $594 |
| Avg Price (30d) | $329-45% | $594 |
| Performance per Dollar | 109.4+78% | 61.4 |
| Release Date | 2025 | 2023 |
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