Core i9-11900KF vs EPYC 7351P
Core i9-11900KF
EPYC 7351P
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 Core i9-11900KF
Performance Per Dollar EPYC 7351P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-11900KF | EPYC 7351P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($349) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Rocket Lake (2021) / 14 nm) | ✨ Modern (Naples (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Core i9-11900KF | EPYC 7351P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($349) | ✅ 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 Core i9-11900KF and EPYC 7351P
Core i9-11900KF
The Core i9-11900KF is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.5 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-3200. Passmark benchmark score: 24,585 points. Launch price was $299.
EPYC 7351P
The EPYC 7351P is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 16 cores and 32 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 170 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 24,871 points. Launch price was $750.
Processing Power
The Core i9-11900KF packs 8 cores / 16 threads, while the EPYC 7351P offers 16 cores / 32 threads — the EPYC 7351P has 8 more cores. Boost clocks reach 5.2 GHz on the Core i9-11900KF versus 2.9 GHz on the EPYC 7351P — a 56.8% clock advantage for the Core i9-11900KF (base: 3.5 GHz vs 2.4 GHz). The Core i9-11900KF uses the Rocket Lake (2021) architecture (14 nm), while the EPYC 7351P uses Naples (2017−2018) (14 nm). In PassMark, the Core i9-11900KF scores 24,585 against the EPYC 7351P's 24,871 — a 1.2% lead for the EPYC 7351P. L3 cache: 16 MB (total) on the Core i9-11900KF vs 64 MB (total) on the EPYC 7351P.
| Feature | Core i9-11900KF | EPYC 7351P |
|---|---|---|
| Cores / Threads | 8 / 16 | 16 / 32+100% |
| Boost Clock | 5.2 GHz+79% | 2.9 GHz |
| Base Clock | 3.5 GHz+46% | 2.4 GHz |
| L3 Cache | 16 MB (total) | 64 MB (total)+300% |
| L2 Cache | 256K (per core) | 512K (per core)+100% |
| Process | 14 nm | 14 nm |
| Architecture | Rocket Lake (2021) | Naples (2017−2018) |
| PassMark | 24,585 | 24,871+1% |
| Cinebench R23 Multi | 15,500 | — |
Memory & Platform
The Core i9-11900KF uses the LGA1200 socket (PCIe 4.0), while the EPYC 7351P uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i9-11900KF | EPYC 7351P |
|---|---|---|
| Socket | LGA1200 | TR4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i9-11900KF) / not specified (EPYC 7351P).
| Feature | Core i9-11900KF | EPYC 7351P |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d | — |
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