Core i7-12700K vs Ryzen 5 7645HX
Core i7-12700K
Ryzen 5 7645HX
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 Ryzen 5 7645HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-12700K | Ryzen 5 7645HX |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($285) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) | ✨ Modern (Dragon Range (Zen4) (2023) / 5 nm) |
💎 Value Proposition
| Insight | Core i7-12700K | Ryzen 5 7645HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($285) | ✅ 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 i7-12700K and Ryzen 5 7645HX
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.
Ryzen 5 7645HX
The Ryzen 5 7645HX is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Dragon Range (Zen4) (2023) architecture. It features 6 cores and 12 threads. Base frequency is 4 GHz, with boost up to 5 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 45 Watt. Memory support: DDR5-5200. Passmark benchmark score: 26,097 points. Launch price was $299.
Processing Power
The Core i7-12700K packs 12 cores / 20 threads, while the Ryzen 5 7645HX offers 6 cores / 12 threads — the Core i7-12700K has 6 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 5 GHz on the Ryzen 5 7645HX — identical boost frequencies (base: 3.6 GHz vs 4 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Ryzen 5 7645HX uses Dragon Range (Zen4) (2023) (5 nm). In PassMark, the Core i7-12700K scores 34,347 against the Ryzen 5 7645HX's 26,097 — a 27.3% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 32 MB (total) on the Ryzen 5 7645HX.
| Feature | Core i7-12700K | Ryzen 5 7645HX |
|---|---|---|
| Cores / Threads | 12 / 20+100% | 6 / 12 |
| Boost Clock | 5 GHz | 5 GHz |
| Base Clock | 3.6 GHz | 4 GHz+11% |
| L3 Cache | 25 MB (total) | 32 MB (total)+28% |
| L2 Cache | 1.25 MB (per core)+25% | 1 MB (per core) |
| Process | 10 nm | 5 nm-50% |
| Architecture | Alder Lake, Golden Cove, Gracemont (2021) | Dragon Range (Zen4) (2023) |
| PassMark | 34,347+32% | 26,097 |
| Cinebench R23 Multi | — | 13,985 |
| Geekbench 6 Single | — | 2,588 |
| Geekbench 6 Multi | — | 11,717 |
Memory & Platform
The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Ryzen 5 7645HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR5-5200 on the Ryzen 5 7645HX — 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 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i7-12700K) vs 28 (Ryzen 5 7645HX) — the Ryzen 5 7645HX offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and SoC (Ryzen 5 7645HX).
| Feature | Core i7-12700K | Ryzen 5 7645HX |
|---|---|---|
| Socket | LGA1700 | FL1 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 4800+95900% | DDR5-5200 |
| Max RAM Capacity | 128 | 64 GB+52428700% |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 20 | 28+40% |
Advanced Features
Only the Core i7-12700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 5 7645HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-12700K) vs AMD-V (SVM) (Ryzen 5 7645HX). Both include integrated graphics — Intel UHD Graphics 770 (Core i7-12700K) and Radeon 610M (Ryzen 5 7645HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 5 7645HX targets Gaming. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; Ryzen 5 7645HX rivals Core i5-13500HX.
| Feature | Core i7-12700K | Ryzen 5 7645HX |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics 770 | Radeon 610M |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | AMD-V (SVM) |
| Target Use | — | Gaming |
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