Ryzen Threadripper 3990X vs Core i7-9700K
Ryzen Threadripper 3990X
Core i7-9700K
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 Threadripper 3990X
Performance Per Dollar Core i7-9700K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper 3990X | Core i7-9700K |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($2,850) | ✅ More affordable ($200) |
| Longevity | ✨ Modern (Matisse (2019−2020) / 7 nm, 12 nm) | ✨ Modern (Coffee Lake-R (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper 3990X | Core i7-9700K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+157%) |
| Upfront Cost | ⚠️ Higher cost ($2,850) | ✅ More affordable ($200) |
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 Threadripper 3990X and Core i7-9700K
Ryzen Threadripper 3990X
The Ryzen Threadripper 3990X is manufactured by AMD. It was released in 7 February 2020 (5 years ago). It is based on the Matisse (2019−2020) architecture. It features 64 cores and 128 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 256 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: TR4. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 79,889 points. Launch price was $3,999.
Core i7-9700K
The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.
Processing Power
The Ryzen Threadripper 3990X packs 64 cores / 128 threads, while the Core i7-9700K offers 8 cores / 8 threads — the Ryzen Threadripper 3990X has 56 more cores. Boost clocks reach 4.3 GHz on the Ryzen Threadripper 3990X versus 4.9 GHz on the Core i7-9700K — a 13% clock advantage for the Core i7-9700K (base: 2.9 GHz vs 3.6 GHz). The Ryzen Threadripper 3990X uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the Core i7-9700K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Ryzen Threadripper 3990X scores 79,889 against the Core i7-9700K's 14,397 — a 138.9% lead for the Ryzen Threadripper 3990X. L3 cache: 256 MB on the Ryzen Threadripper 3990X vs 12 MB (total) on the Core i7-9700K.
| Feature | Ryzen Threadripper 3990X | Core i7-9700K |
|---|---|---|
| Cores / Threads | 64 / 128+700% | 8 / 8 |
| Boost Clock | 4.3 GHz | 4.9 GHz+14% |
| Base Clock | 2.9 GHz | 3.6 GHz+24% |
| L3 Cache | 256 MB+2033% | 12 MB (total) |
| L2 Cache | 512K (per core)+100% | 256K (per core) |
| Process | 7 nm, 12 nm-50% | 14 nm |
| Architecture | Matisse (2019−2020) | Coffee Lake-R (2018−2019) |
| PassMark | 79,889+455% | 14,397 |
| Cinebench R23 Multi | 64,366 | — |
| Geekbench 6 Single | 1,961 | — |
| Geekbench 6 Multi | 22,045 | — |
Memory & Platform
The Ryzen Threadripper 3990X uses the TR4 socket (PCIe 4.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Ryzen Threadripper 3990X supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Memory channels: 4 (Ryzen Threadripper 3990X) vs 2 (Core i7-9700K). PCIe lanes: 88 (Ryzen Threadripper 3990X) vs 16 (Core i7-9700K) — the Ryzen Threadripper 3990X offers 72 more lanes for additional GPUs or NVMe drives. Chipset compatibility: TRX40 (Ryzen Threadripper 3990X) and Intel 300 series (Core i7-9700K).
| Feature | Ryzen Threadripper 3990X | Core i7-9700K |
|---|---|---|
| Socket | TR4 | LGA1151 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | DDR4-2666 |
| Max RAM Capacity | 256 GB+100% | 128 GB |
| RAM Channels | 4+100% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 88+450% | 16 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: true (Ryzen Threadripper 3990X) vs VT-x, VT-d (Core i7-9700K). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Ryzen Threadripper 3990X requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop. Direct competitor: Ryzen Threadripper 3990X rivals Core i9-10980XE.
| Feature | Ryzen Threadripper 3990X | Core i7-9700K |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | UHD Graphics 630 |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | true | VT-x, VT-d |
| Target Use | — | Desktop |
Value Analysis
The Ryzen Threadripper 3990X launched at $3990 MSRP, while the Core i7-9700K debuted at $385. At current prices ($2850 vs $200), the Core i7-9700K is $2650 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper 3990X delivers 28.0 pts/$ vs 72.0 pts/$ for the Core i7-9700K — making the Core i7-9700K the 87.9% better value option.
| Feature | Ryzen Threadripper 3990X | Core i7-9700K |
|---|---|---|
| MSRP | $3990 | $385-90% |
| Avg Price (30d) | $2850 | $200-93% |
| Performance per Dollar | 28.0 | 72.0+157% |
| Release Date | 2019 | 2018 |
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