Ryzen 9 9955HX vs Core i7-12700K
Ryzen 9 9955HX
Core i7-12700K
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
Performance Per Dollar Core i7-12700K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 9955HX | Core i7-12700K |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($285) |
| Longevity | ✨ Modern (Fire Range-HX (Zen 5) (2025) / 4 nm) | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) |
💎 Value Proposition
| Insight | Ryzen 9 9955HX | Core i7-12700K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($285) |
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 Ryzen 9 9955HX and Core i7-12700K
Ryzen 9 9955HX
The Ryzen 9 9955HX is manufactured by AMD. It was released in 2025-01-01. It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 55,711 points. Launch price was $650.
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.
Processing Power
The Ryzen 9 9955HX packs 16 cores / 32 threads, while the Core i7-12700K offers 12 cores / 20 threads — the Ryzen 9 9955HX has 4 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 9955HX versus 5 GHz on the Core i7-12700K — a 7.7% clock advantage for the Ryzen 9 9955HX (base: 2.5 GHz vs 3.6 GHz). The Ryzen 9 9955HX uses the Fire Range-HX (Zen 5) (2025) architecture (4 nm), while the Core i7-12700K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Ryzen 9 9955HX scores 55,711 against the Core i7-12700K's 34,347 — a 47.4% lead for the Ryzen 9 9955HX. L3 cache: 64 MB (total) on the Ryzen 9 9955HX vs 25 MB (total) on the Core i7-12700K.
| Feature | Ryzen 9 9955HX | Core i7-12700K |
|---|---|---|
| Cores / Threads | 16 / 32+33% | 12 / 20 |
| Boost Clock | 5.4 GHz+8% | 5 GHz |
| Base Clock | 2.5 GHz | 3.6 GHz+44% |
| L3 Cache | 64 MB (total)+156% | 25 MB (total) |
| L2 Cache | 1 MB (per core) | 1.25 MB (per core)+25% |
| Process | 4 nm-60% | 10 nm |
| Architecture | Fire Range-HX (Zen 5) (2025) | Alder Lake, Golden Cove, Gracemont (2021) |
| PassMark | 55,711+62% | 34,347 |
| Cinebench R23 Multi | 38,010 | — |
| Geekbench 6 Single | 3,219 | — |
| Geekbench 6 Multi | 19,563 | — |
Memory & Platform
The Ryzen 9 9955HX uses the FL1 socket (PCIe 5.0), while the Core i7-12700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 9 9955HX versus 4800 on the Core i7-12700K — 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 96 GB — 28.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Ryzen 9 9955HX) vs 20 (Core i7-12700K) — the Ryzen 9 9955HX offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD FL1 (Ryzen 9 9955HX) and Z690,B660 (Core i7-12700K).
| Feature | Ryzen 9 9955HX | Core i7-12700K |
|---|---|---|
| Socket | FL1 | LGA1700 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5600 | 4800+95900% |
| Max RAM Capacity | 96 GB+78643100% | 128 |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28+40% | 20 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 9955HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Ryzen 9 9955HX) vs VT-x, VT-d (Core i7-12700K). Both include integrated graphics — Radeon 610M (Ryzen 9 9955HX) and Intel UHD Graphics 770 (Core i7-12700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Ryzen 9 9955HX rivals Core Ultra 9 275HX; Core i7-12700K rivals Ryzen 7 5800X.
| Feature | Ryzen 9 9955HX | Core i7-12700K |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon 610M | Intel UHD Graphics 770 |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | true | VT-x, VT-d |
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