Core i7-12700K vs EPYC 9455P
Core i7-12700K
EPYC 9455P
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 i7-12700K
Performance Per Dollar EPYC 9455P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-12700K | EPYC 9455P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($285) | ⚠️ Higher cost ($4,366) |
| Longevity | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | Core i7-12700K | EPYC 9455P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+350%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($285) | ⚠️ Higher cost ($4,366) |
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 i7-12700K and EPYC 9455P
Core i7-12700K
The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.
EPYC 9455P
The EPYC 9455P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 48 cores and 96 threads. Base frequency is 3.15 GHz, with boost up to 4.4 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 300 Watt. Memory support: DDR5. Passmark benchmark score: 116,926 points. Launch price was $4,819.
Processing Power
The Core i7-12700K packs 12 cores / 20 threads, while the EPYC 9455P offers 48 cores / 96 threads — the EPYC 9455P has 36 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 4.4 GHz on the EPYC 9455P — a 12.8% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 3.15 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the EPYC 9455P uses Turin (2024) (4 nm). In PassMark, the Core i7-12700K scores 34,347 against the EPYC 9455P's 116,926 — a 109.2% lead for the EPYC 9455P. L3 cache: 25 MB (total) on the Core i7-12700K vs 256 MB (total) on the EPYC 9455P.
| Feature | Core i7-12700K | EPYC 9455P |
|---|---|---|
| Cores / Threads | 12 / 20 | 48 / 96+300% |
| Boost Clock | 5 GHz+14% | 4.4 GHz |
| Base Clock | 3.6 GHz+14% | 3.15 GHz |
| L3 Cache | 25 MB (total) | 256 MB (total)+924% |
| L2 Cache | 1.25 MB (per core)+25% | 1 MB (per core) |
| Process | 10 nm | 4 nm-60% |
| Architecture | Alder Lake, Golden Cove, Gracemont (2021) | Turin (2024) |
| PassMark | 34,347 | 116,926+240% |
| Geekbench 6 Single | — | 1,962 |
| Geekbench 6 Multi | — | 1,898 |
Memory & Platform
The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the EPYC 9455P uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR5-6000 on the EPYC 9455P — the Core i7-12700K supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-12700K supports up to 128 of RAM compared to 9 TB — 173.7% more capacity for professional workloads. Memory channels: 2 (Core i7-12700K) vs 12 (EPYC 9455P). PCIe lanes: 20 (Core i7-12700K) vs 128 (EPYC 9455P) — the EPYC 9455P offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and SP5 (EPYC 9455P).
| Feature | Core i7-12700K | EPYC 9455P |
|---|---|---|
| Socket | LGA1700 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 4800+95900% | DDR5-6000 |
| Max RAM Capacity | 128 | 9 TB+7549747100% |
| RAM Channels | 2 | 12+500% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 128+540% |
Advanced Features
Virtualization support: VT-x, VT-d (Core i7-12700K) vs AMD-V, SEV-SNP (EPYC 9455P). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the EPYC 9455P requires a dedicated GPU. Primary use case: EPYC 9455P targets Data Center / Single Socket. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; EPYC 9455P rivals Xeon 6766E.
| Feature | Core i7-12700K | EPYC 9455P |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 770 | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | AMD-V, SEV-SNP |
| Target Use | — | Data Center / Single Socket |
Value Analysis
The Core i7-12700K launched at $409 MSRP, while the EPYC 9455P debuted at $4819. At current prices ($285 vs $4366), the Core i7-12700K is $4081 cheaper. In terms of value (PassMark points per dollar), the Core i7-12700K delivers 120.5 pts/$ vs 26.8 pts/$ for the EPYC 9455P — making the Core i7-12700K the 127.3% better value option.
| Feature | Core i7-12700K | EPYC 9455P |
|---|---|---|
| MSRP | $409-92% | $4819 |
| Avg Price (30d) | $285-93% | $4366 |
| Performance per Dollar | 120.5+350% | 26.8 |
| Release Date | 2021 | 2024 |
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