Core i7-12700K
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EPYC 9655P
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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.
Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook
This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.
Core i7-12700K
2021Why buy it
- ✅Better for gaming: +3.0% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $10,402 less on MSRP ($409 MSRP vs $10,811 MSRP).
- ✅Delivers 465.7% more PassMark for each dollar spent, at 84.0 vs 14.8 PassMark/$ ($409 MSRP vs $10,811 MSRP).
- ✅Draws 125W instead of 400W, a 275W reduction.
- ✅Integrated graphics onboard with Intel UHD Graphics 770, while EPYC 9655P needs a discrete GPU.
Trade-offs
- ❌Lower PassMark (34,347 vs 160,490).
- ❌Smaller total L3 cache (25 MB vs 384 MB).
- ❌Less compelling for workstation-style loads than EPYC 9655P, which brings 96 cores / 192 threads and 128 PCIe lanes.
EPYC 9655P
2024Why buy it
- ✅+367.3% higher PassMark.
- ✅+1436% larger total L3 cache (384 MB vs 25 MB).
- ✅Better for workstations and heavier parallel workloads: 96 cores / 192 threads, plus 128 PCIe lanes vs 20.
- ✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core i7-12700K across 50 shared CPU benchmark tests.
- ❌Lower PassMark per dollar, at 14.8 vs 84.0 PassMark/$ ($10,811 MSRP vs $409 MSRP).
- ❌220% higher power demand at 400W vs 125W.
- ❌No integrated graphics, while Core i7-12700K can still boot and troubleshoot without a discrete GPU.
Core i7-12700K
2021EPYC 9655P
2024Why buy it
- ✅Better for gaming: +3.0% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $10,402 less on MSRP ($409 MSRP vs $10,811 MSRP).
- ✅Delivers 465.7% more PassMark for each dollar spent, at 84.0 vs 14.8 PassMark/$ ($409 MSRP vs $10,811 MSRP).
- ✅Draws 125W instead of 400W, a 275W reduction.
- ✅Integrated graphics onboard with Intel UHD Graphics 770, while EPYC 9655P needs a discrete GPU.
Why buy it
- ✅+367.3% higher PassMark.
- ✅+1436% larger total L3 cache (384 MB vs 25 MB).
- ✅Better for workstations and heavier parallel workloads: 96 cores / 192 threads, plus 128 PCIe lanes vs 20.
- ✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.
Trade-offs
- ❌Lower PassMark (34,347 vs 160,490).
- ❌Smaller total L3 cache (25 MB vs 384 MB).
- ❌Less compelling for workstation-style loads than EPYC 9655P, which brings 96 cores / 192 threads and 128 PCIe lanes.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core i7-12700K across 50 shared CPU benchmark tests.
- ❌Lower PassMark per dollar, at 14.8 vs 84.0 PassMark/$ ($10,811 MSRP vs $409 MSRP).
- ❌220% higher power demand at 400W vs 125W.
- ❌No integrated graphics, while Core i7-12700K can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is EPYC 9655P better than Core i7-12700K?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Games Benchmarks
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.
Path of Exile 2
| Preset | Core i7-12700K | EPYC 9655P |
|---|---|---|
| 1080p | ||
| low | 314 FPS | 170 FPS |
| medium | 295 FPS | 143 FPS |
| high | 246 FPS | 122 FPS |
| ultra | 193 FPS | 99 FPS |
| 1440p | ||
| low | 269 FPS | 149 FPS |
| medium | 225 FPS | 121 FPS |
| high | 182 FPS | 99 FPS |
| ultra | 145 FPS | 83 FPS |
| 4K | ||
| low | 170 FPS | 83 FPS |
| medium | 142 FPS | 73 FPS |
| high | 109 FPS | 57 FPS |
| ultra | 96 FPS | 47 FPS |
Counter-Strike 2
| Preset | Core i7-12700K | EPYC 9655P |
|---|---|---|
| 1080p | ||
| low | 630 FPS | 696 FPS |
| medium | 533 FPS | 602 FPS |
| high | 450 FPS | 475 FPS |
| ultra | 410 FPS | 411 FPS |
| 1440p | ||
| low | 536 FPS | 566 FPS |
| medium | 475 FPS | 501 FPS |
| high | 403 FPS | 414 FPS |
| ultra | 349 FPS | 336 FPS |
| 4K | ||
| low | 312 FPS | 331 FPS |
| medium | 280 FPS | 295 FPS |
| high | 266 FPS | 267 FPS |
| ultra | 234 FPS | 235 FPS |
League of Legends
| Preset | Core i7-12700K | EPYC 9655P |
|---|---|---|
| 1080p | ||
| low | 797 FPS | 746 FPS |
| medium | 633 FPS | 633 FPS |
| high | 556 FPS | 589 FPS |
| ultra | 472 FPS | 519 FPS |
| 1440p | ||
| low | 704 FPS | 561 FPS |
| medium | 565 FPS | 474 FPS |
| high | 490 FPS | 434 FPS |
| ultra | 422 FPS | 376 FPS |
| 4K | ||
| low | 510 FPS | 411 FPS |
| medium | 425 FPS | 331 FPS |
| high | 381 FPS | 299 FPS |
| ultra | 321 FPS | 238 FPS |
Valorant
| Preset | Core i7-12700K | EPYC 9655P |
|---|---|---|
| 1080p | ||
| low | 859 FPS | 1047 FPS |
| medium | 802 FPS | 939 FPS |
| high | 699 FPS | 821 FPS |
| ultra | 628 FPS | 744 FPS |
| 1440p | ||
| low | 760 FPS | 839 FPS |
| medium | 678 FPS | 733 FPS |
| high | 590 FPS | 641 FPS |
| ultra | 519 FPS | 562 FPS |
| 4K | ||
| low | 535 FPS | 605 FPS |
| medium | 488 FPS | 539 FPS |
| high | 437 FPS | 477 FPS |
| ultra | 384 FPS | 416 FPS |
Technical Specifications
Side-by-side comparison of Core i7-12700K and EPYC 9655P
Core i7-12700K
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 9655P
EPYC 9655P
The EPYC 9655P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 96 cores and 192 threads. Base frequency is 2.6 GHz, with boost up to 4.5 GHz. L3 cache: 384 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 160,490 points. Launch price was $10,811.
Processing Power
The Core i7-12700K packs 12 cores / 20 threads, while the EPYC 9655P offers 96 cores / 192 threads — the EPYC 9655P has 84 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 4.5 GHz on the EPYC 9655P — a 10.5% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 2.6 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the EPYC 9655P uses Turin (2024) (4 nm). In PassMark, the Core i7-12700K scores 34,347 against the EPYC 9655P's 160,490 — a 129.5% lead for the EPYC 9655P. L3 cache: 25 MB (total) on the Core i7-12700K vs 384 MB (total) on the EPYC 9655P.
| Feature | Core i7-12700K | EPYC 9655P |
|---|---|---|
| Cores / Threads | 12 / 20 | 96 / 192+700% |
| Boost Clock | 5 GHz+11% | 4.5 GHz |
| Base Clock | 3.6 GHz+38% | 2.6 GHz |
| L3 Cache | 25 MB (total) | 384 MB (total)+1436% |
| 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 | 160,490+367% |
| Geekbench 6 Multi | — | 24,287 |
Memory & Platform
The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the EPYC 9655P 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 9655P — 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 6 TB — 182.1% more capacity for professional workloads. Memory channels: 2 (Core i7-12700K) vs 12 (EPYC 9655P). PCIe lanes: 20 (Core i7-12700K) vs 128 (EPYC 9655P) — the EPYC 9655P offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and SP5 (EPYC 9655P).
| Feature | Core i7-12700K | EPYC 9655P |
|---|---|---|
| Socket | LGA1700 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 4800+95900% | DDR5-6000 |
| Max RAM Capacity | 128 | 6 TB+5033164700% |
| RAM Channels | 2 | 12+500% |
| ECC Support | Yes | Yes |
| PCIe Lanes | 20 | 128+540% |
Advanced Features
Virtualization support: VT-x, VT-d (Core i7-12700K) vs AMD-V, SEV-SNP (EPYC 9655P). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the EPYC 9655P requires a dedicated GPU. Primary use case: EPYC 9655P targets Data Center / Single Socket. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; EPYC 9655P rivals Xeon 6979P.
| Feature | Core i7-12700K | EPYC 9655P |
|---|---|---|
| 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 9655P debuted at $10811. On MSRP ($409 vs $10811), the Core i7-12700K is $10402 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 14.8 pts/$ for the EPYC 9655P — making the Core i7-12700K the 139.9% better value option.
| Feature | Core i7-12700K | EPYC 9655P |
|---|---|---|
| MSRP | $409-96% | $10811 |
| Performance per Dollar | 84.0+468% | 14.8 |
| Release Date | 2021 | 2024 |
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