EPYC 4345P vs Xeon Gold 6338T
EPYC 4345P
Xeon Gold 6338T
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 Xeon Gold 6338T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 4345P | Xeon Gold 6338T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($329) | ⚠️ Higher cost ($1,795) |
| Longevity | ✨ Modern (Grado (2025) / 4 nm) | ✨ Modern (Ice Lake-SP (2021) / 10 nm) |
💎 Value Proposition
| Insight | EPYC 4345P | Xeon Gold 6338T |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+449%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($329) | ⚠️ Higher cost ($1,795) |
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 Xeon Gold 6338T
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.
Xeon Gold 6338T
The Xeon Gold 6338T is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-SP (2021) architecture. It features 24 cores and 48 threads. Base frequency is 2.1 GHz, with boost up to 3.4 GHz. L3 cache: 36 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 165 Watt. Memory support: DDR4-3200. Passmark benchmark score: 35,801 points. Launch price was $800.
Processing Power
The EPYC 4345P packs 8 cores / 16 threads, while the Xeon Gold 6338T offers 24 cores / 48 threads — the Xeon Gold 6338T has 16 more cores. Boost clocks reach 5.5 GHz on the EPYC 4345P versus 3.4 GHz on the Xeon Gold 6338T — a 47.2% clock advantage for the EPYC 4345P (base: 3.8 GHz vs 2.1 GHz). The EPYC 4345P uses the Grado (2025) architecture (4 nm), while the Xeon Gold 6338T uses Ice Lake-SP (2021) (10 nm). In PassMark, the EPYC 4345P scores 36,006 against the Xeon Gold 6338T's 35,801 — a 0.6% lead for the EPYC 4345P. L3 cache: 32 MB (total) on the EPYC 4345P vs 36 MB (total) on the Xeon Gold 6338T.
| Feature | EPYC 4345P | Xeon Gold 6338T |
|---|---|---|
| Cores / Threads | 8 / 16 | 24 / 48+200% |
| Boost Clock | 5.5 GHz+62% | 3.4 GHz |
| Base Clock | 3.8 GHz+81% | 2.1 GHz |
| L3 Cache | 32 MB (total) | 36 MB (total)+13% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm-60% | 10 nm |
| Architecture | Grado (2025) | Ice Lake-SP (2021) |
| PassMark | 36,006 | 35,801 |
Memory & Platform
The EPYC 4345P uses the AM5 socket (PCIe 4.0), while the Xeon Gold 6338T uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the EPYC 4345P versus 3200 on the Xeon Gold 6338T — the EPYC 4345P supports 54.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6338T supports up to 6144 of RAM compared to 128 — 191.8% more capacity for professional workloads. Memory channels: 2 (EPYC 4345P) vs 8 (Xeon Gold 6338T). PCIe lanes: 28 (EPYC 4345P) vs 64 (Xeon Gold 6338T) — the Xeon Gold 6338T offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4345P) and C621A (Xeon Gold 6338T).
| Feature | EPYC 4345P | Xeon Gold 6338T |
|---|---|---|
| Socket | AM5 | LGA4189 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 5600+75% | 3200 |
| Max RAM Capacity | 128 | 6144+4700% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 64+129% |
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 VT-x, VT-d (Xeon Gold 6338T). The EPYC 4345P includes integrated graphics (AMD Radeon Graphics), while the Xeon Gold 6338T requires a dedicated GPU. Direct competitor: EPYC 4345P rivals Xeon E-2488; Xeon Gold 6338T rivals EPYC 7443P.
| Feature | EPYC 4345P | Xeon Gold 6338T |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V, IOMMU | VT-x, VT-d |
Value Analysis
The EPYC 4345P launched at $329 MSRP, while the Xeon Gold 6338T debuted at $3139. At current prices ($329 vs $1795), the EPYC 4345P is $1466 cheaper. In terms of value (PassMark points per dollar), the EPYC 4345P delivers 109.4 pts/$ vs 19.9 pts/$ for the Xeon Gold 6338T — making the EPYC 4345P the 138.3% better value option.
| Feature | EPYC 4345P | Xeon Gold 6338T |
|---|---|---|
| MSRP | $329-90% | $3139 |
| Avg Price (30d) | $329-82% | $1795 |
| Performance per Dollar | 109.4+450% | 19.9 |
| Release Date | 2025 | 2021 |
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