Core i9-10940X vs Core i5-12600KF
Core i9-10940X
Core i5-12600KF
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 i9-10940X
Performance Per Dollar Core i5-12600KF
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-10940X | Core i5-12600KF |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($460) | ✅ More affordable ($190) |
| Longevity | ✨ Modern (Cascade Lake-X (2019) / 14 nm) | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / Intel 7 nm) |
💎 Value Proposition
| Insight | Core i9-10940X | Core i5-12600KF |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+141%) |
| Upfront Cost | ⚠️ Higher cost ($460) | ✅ More affordable ($190) |
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 i9-10940X and Core i5-12600KF
Core i9-10940X
The Core i9-10940X is manufactured by Intel. It was released in 19 October 2019 (6 years ago). It is based on the Cascade Lake-X (2019) architecture. It features 14 cores and 28 threads. Base frequency is 3.3 GHz, with boost up to 4.8 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 27,684 points. Launch price was $299.
Core i5-12600KF
The Core i5-12600KF 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 10 cores and 16 threads. Base frequency is 3.7 GHz, with boost up to 4.9 GHz. L3 cache: 20 MB (total). L2 cache: 9.5 MB. Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 27,594 points. Launch price was $264.
Processing Power
The Core i9-10940X packs 14 cores / 28 threads, while the Core i5-12600KF offers 10 cores / 16 threads — the Core i9-10940X has 4 more cores. Boost clocks reach 4.8 GHz on the Core i9-10940X versus 4.9 GHz on the Core i5-12600KF — a 2.1% clock advantage for the Core i5-12600KF (base: 3.3 GHz vs 3.7 GHz). The Core i9-10940X uses the Cascade Lake-X (2019) architecture (14 nm), while the Core i5-12600KF uses Alder Lake, Golden Cove, Gracemont (2021) (Intel 7 nm). In PassMark, the Core i9-10940X scores 27,684 against the Core i5-12600KF's 27,594 — a 0.3% lead for the Core i9-10940X. L3 cache: 19.25 MB (total) on the Core i9-10940X vs 20 MB (total) on the Core i5-12600KF.
| Feature | Core i9-10940X | Core i5-12600KF |
|---|---|---|
| Cores / Threads | 14 / 28+40% | 10 / 16 |
| Boost Clock | 4.8 GHz | 4.9 GHz+2% |
| Base Clock | 3.3 GHz | 3.7 GHz+12% |
| L3 Cache | 19.25 MB (total) | 20 MB (total)+4% |
| L2 Cache | 1 MB (per core) | 9.5 MB+850% |
| Process | 14 nm | Intel 7 nm-50% |
| Architecture | Cascade Lake-X (2019) | Alder Lake, Golden Cove, Gracemont (2021) |
| PassMark | 27,684 | 27,594 |
| Cinebench R23 Multi | 19,000 | — |
| Geekbench 6 Single | 1,450 | — |
| Geekbench 6 Multi | 11,000 | — |
Memory & Platform
The Core i9-10940X uses the LGA2066 socket (PCIe 3.0), while the Core i5-12600KF uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2933 on the Core i9-10940X versus 4800 on the Core i5-12600KF — the Core i5-12600KF supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-10940X supports up to 256 GB of RAM compared to 128 — 66.7% more capacity for professional workloads. Memory channels: 4 (Core i9-10940X) vs 2 (Core i5-12600KF). PCIe lanes: 48 (Core i9-10940X) vs 20 (Core i5-12600KF) — the Core i9-10940X offers 28 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X299 (Core i9-10940X) and Z690,B660 (Core i5-12600KF).
| Feature | Core i9-10940X | Core i5-12600KF |
|---|---|---|
| Socket | LGA2066 | LGA1700 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2933 | 4800+119900% |
| Max RAM Capacity | 256 GB+209715100% | 128 |
| RAM Channels | 4+100% | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 48+140% | 20 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Core i9-10940X supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Core i9-10940X targets High-End Desktop. Direct competitor: Core i5-12600KF rivals Ryzen 5 5600X.
| Feature | Core i9-10940X | Core i5-12600KF |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | High-End Desktop | — |
Value Analysis
The Core i9-10940X launched at $784 MSRP, while the Core i5-12600KF debuted at $264. At current prices ($460 vs $190), the Core i5-12600KF is $270 cheaper. In terms of value (PassMark points per dollar), the Core i9-10940X delivers 60.2 pts/$ vs 145.2 pts/$ for the Core i5-12600KF — making the Core i5-12600KF the 82.8% better value option.
| Feature | Core i9-10940X | Core i5-12600KF |
|---|---|---|
| MSRP | $784 | $264-66% |
| Avg Price (30d) | $460 | $190-59% |
| Performance per Dollar | 60.2 | 145.2+141% |
| Release Date | 2019 | 2021 |
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