CPU
GPU
EPYC 4565P
EPYC 8434P
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 4565P
Performance Per Dollar EPYC 8434P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 4565P | EPYC 8434P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($1,980) | ⚠️ Higher cost ($3,137) |
| Longevity | ✨ Modern (Grado (2025) / 4 nm) | ✨ Modern (Siena (2023−2024) / 5 nm) |
💎 Value Proposition
| Insight | EPYC 4565P | EPYC 8434P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+53%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($1,980) | ⚠️ Higher cost ($3,137) |
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 4565P and EPYC 8434P
EPYC 4565P
The EPYC 4565P 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 16 cores and 32 threads. Base frequency is 4.3 GHz, with boost up to 5.7 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 170 Watt. Memory support: DDR5. Passmark benchmark score: 64,068 points. Launch price was $589.
EPYC 8434P
The EPYC 8434P 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 48 cores and 96 threads. Base frequency is 2.5 GHz, with boost up to 3.1 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 66,490 points. Launch price was $2,700.
Processing Power
The EPYC 4565P packs 16 cores / 32 threads, while the EPYC 8434P offers 48 cores / 96 threads — the EPYC 8434P has 32 more cores. Boost clocks reach 5.7 GHz on the EPYC 4565P versus 3.1 GHz on the EPYC 8434P — a 59.1% clock advantage for the EPYC 4565P (base: 4.3 GHz vs 2.5 GHz). The EPYC 4565P uses the Grado (2025) architecture (4 nm), while the EPYC 8434P uses Siena (2023−2024) (5 nm). In PassMark, the EPYC 4565P scores 64,068 against the EPYC 8434P's 66,490 — a 3.7% lead for the EPYC 8434P. L3 cache: 64 MB (total) on the EPYC 4565P vs 128 MB (total) on the EPYC 8434P.
| Feature | EPYC 4565P | EPYC 8434P |
|---|---|---|
| Cores / Threads | 16 / 32 | 48 / 96+200% |
| Boost Clock | 5.7 GHz+84% | 3.1 GHz |
| Base Clock | 4.3 GHz+72% | 2.5 GHz |
| L3 Cache | 64 MB (total) | 128 MB (total)+100% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm-20% | 5 nm |
| Architecture | Grado (2025) | Siena (2023−2024) |
| PassMark | 64,068 | 66,490+4% |
Memory & Platform
The EPYC 4565P uses the AM5 socket (PCIe 4.0), while the EPYC 8434P uses SP6 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the EPYC 4565P versus 4800 on the EPYC 8434P — the EPYC 4565P supports 15.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 8434P supports up to 1152 of RAM compared to 192 — 142.9% more capacity for professional workloads. Memory channels: 2 (EPYC 4565P) vs 6 (EPYC 8434P). PCIe lanes: 28 (EPYC 4565P) vs 96 (EPYC 8434P) — the EPYC 8434P offers 68 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4565P) and SP6 (EPYC 8434P).
| Feature | EPYC 4565P | EPYC 8434P |
|---|---|---|
| Socket | AM5 | SP6 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 5600+17% | 4800 |
| Max RAM Capacity | 192 | 1152+500% |
| RAM Channels | 2 | 6+200% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 96+243% |
Advanced Features
Only the EPYC 4565P has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (EPYC 4565P) vs VT-x, VT-d (EPYC 8434P). The EPYC 4565P includes integrated graphics (AMD Radeon Graphics), while the EPYC 8434P requires a dedicated GPU. Direct competitor: EPYC 4565P rivals Core Ultra 9 285K; EPYC 8434P rivals Xeon Platinum 8452Y.
| Feature | EPYC 4565P | EPYC 8434P |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d |
Value Analysis
The EPYC 4565P launched at $2730 MSRP, while the EPYC 8434P debuted at $1517. At current prices ($1980 vs $3137), the EPYC 4565P is $1157 cheaper. In terms of value (PassMark points per dollar), the EPYC 4565P delivers 32.4 pts/$ vs 21.2 pts/$ for the EPYC 8434P — making the EPYC 4565P the 41.7% better value option.
| Feature | EPYC 4565P | EPYC 8434P |
|---|---|---|
| MSRP | $2730 | $1517-44% |
| Avg Price (30d) | $1980-37% | $3137 |
| Performance per Dollar | 32.4+53% | 21.2 |
| Release Date | 2025 | 2023 |
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