Ryzen 9 3950X vs Core i5-14600K
Ryzen 9 3950X
Core i5-14600K
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 Ryzen 9 3950X
Performance Per Dollar Core i5-14600K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 3950X | Core i5-14600K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($389) | ✅ More affordable ($275) |
| Longevity | ✨ Modern (Matisse (Zen 2) (2019−2020) / 7 nm, 12 nm) | ✨ Modern (Raptor Lake-R (2023−2025) / Intel 7 nm) |
💎 Value Proposition
| Insight | Ryzen 9 3950X | Core i5-14600K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+42%) |
| Upfront Cost | ⚠️ Higher cost ($389) | ✅ More affordable ($275) |
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 3950X and Core i5-14600K
Ryzen 9 3950X
The Ryzen 9 3950X is manufactured by AMD. It was released in 14 November 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 16 cores and 32 threads. Base frequency is 3.5 GHz, with boost up to 4.7 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 38,519 points. Launch price was $799.
Core i5-14600K
The Core i5-14600K is manufactured by Intel. It was released in 17 October 2023 (2 years ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 14 cores and 20 threads. Base frequency is 3.5 GHz, with boost up to 5.3 GHz. L3 cache: 24 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 38,579 points. Launch price was $319.
Processing Power
The Ryzen 9 3950X packs 16 cores / 32 threads, while the Core i5-14600K offers 14 cores / 20 threads — the Ryzen 9 3950X has 2 more cores. Boost clocks reach 4.7 GHz on the Ryzen 9 3950X versus 5.3 GHz on the Core i5-14600K — a 12% clock advantage for the Core i5-14600K (base: 3.5 GHz vs 3.5 GHz). The Ryzen 9 3950X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Core i5-14600K uses Raptor Lake-R (2023−2025) (Intel 7 nm). In PassMark, the Ryzen 9 3950X scores 38,519 against the Core i5-14600K's 38,579 — a 0.2% lead for the Core i5-14600K. L3 cache: 64 MB on the Ryzen 9 3950X vs 24 MB (total) on the Core i5-14600K.
| Feature | Ryzen 9 3950X | Core i5-14600K |
|---|---|---|
| Cores / Threads | 16 / 32+14% | 14 / 20 |
| Boost Clock | 4.7 GHz | 5.3 GHz+13% |
| Base Clock | 3.5 GHz | 3.5 GHz |
| L3 Cache | 64 MB+167% | 24 MB (total) |
| L2 Cache | 512K (per core) | 2 MB (per core)+300% |
| Process | 7 nm, 12 nm | Intel 7 nm |
| Architecture | Matisse (Zen 2) (2019−2020) | Raptor Lake-R (2023−2025) |
| PassMark | 38,519 | 38,579 |
Memory & Platform
The Ryzen 9 3950X uses the AM4 socket (PCIe 4.0), while the Core i5-14600K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 3950X versus 5600 on the Core i5-14600K — the Core i5-14600K supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-14600K supports up to 192 of RAM compared to 128 GB — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 9 3950X) vs 20 (Core i5-14600K) — the Ryzen 9 3950X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550 (Ryzen 9 3950X) and Z790,B760 (Core i5-14600K).
| Feature | Ryzen 9 3950X | Core i5-14600K |
|---|---|---|
| Socket | AM4 | LGA1700 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | 5600+139900% |
| Max RAM Capacity | 128 GB+69904967% | 192 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 24+20% | 20 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: AMD-V (Ryzen 9 3950X) vs VT-x, VT-d (Core i5-14600K). The Core i5-14600K includes integrated graphics (Intel UHD Graphics 770), while the Ryzen 9 3950X requires a dedicated GPU. Direct competitor: Core i5-14600K rivals Ryzen 7 7800X3D.
| Feature | Ryzen 9 3950X | Core i5-14600K |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel UHD Graphics 770 |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x, VT-d |
Value Analysis
The Ryzen 9 3950X launched at $749 MSRP, while the Core i5-14600K debuted at $329. At current prices ($389 vs $275), the Core i5-14600K is $114 cheaper. In terms of value (PassMark points per dollar), the Ryzen 9 3950X delivers 99.0 pts/$ vs 140.3 pts/$ for the Core i5-14600K — making the Core i5-14600K the 34.5% better value option.
| Feature | Ryzen 9 3950X | Core i5-14600K |
|---|---|---|
| MSRP | $749 | $329-56% |
| Avg Price (30d) | $389 | $275-29% |
| Performance per Dollar | 99.0 | 140.3+42% |
| Release Date | 2019 | 2023 |
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