Core i9-9900KF vs Xeon Phi 7290
Core i9-9900KF
Xeon Phi 7290
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 i9-9900KF
Performance Per Dollar Xeon Phi 7290
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-9900KF | Xeon Phi 7290 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($350) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Coffee Lake-R (2018−2019) / 14 nm) | 🛑 Legacy (Knights Landing (2016) / 14 nm) |
💎 Value Proposition
| Insight | Core i9-9900KF | Xeon Phi 7290 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($350) | ✅ 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 i9-9900KF and Xeon Phi 7290
Core i9-9900KF
The Core i9-9900KF is manufactured by Intel. It was released in 8 January 2019 (6 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4-2666. Passmark benchmark score: 18,029 points. Launch price was $488.
Xeon Phi 7290
The Xeon Phi 7290 is manufactured by Intel. It was released in 2015-01-01. It is based on the Knights Landing (2016) architecture. It features 72 cores and 288 threads. Base frequency is 1.5 GHz, with boost up to 1.7 GHz. L3 cache: 0 kB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 245 Watt. Memory support: DDR4. Passmark benchmark score: 17,839 points. Launch price was $800.
Processing Power
The Core i9-9900KF packs 8 cores / 16 threads, while the Xeon Phi 7290 offers 72 cores / 288 threads — the Xeon Phi 7290 has 64 more cores. Boost clocks reach 5 GHz on the Core i9-9900KF versus 1.7 GHz on the Xeon Phi 7290 — a 98.5% clock advantage for the Core i9-9900KF (base: 3.6 GHz vs 1.5 GHz). The Core i9-9900KF uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Xeon Phi 7290 uses Knights Landing (2016) (14 nm). In PassMark, the Core i9-9900KF scores 18,029 against the Xeon Phi 7290's 17,839 — a 1.1% lead for the Core i9-9900KF. L3 cache: 16 MB (total) on the Core i9-9900KF vs 0 kB (total) on the Xeon Phi 7290.
| Feature | Core i9-9900KF | Xeon Phi 7290 |
|---|---|---|
| Cores / Threads | 8 / 16 | 72 / 288+800% |
| Boost Clock | 5 GHz+194% | 1.7 GHz |
| Base Clock | 3.6 GHz+140% | 1.5 GHz |
| L3 Cache | 16 MB (total) | 0 kB (total) |
| L2 Cache | 256K (per core) | 512 kB (per core)+100% |
| Process | 14 nm | 14 nm |
| Architecture | Coffee Lake-R (2018−2019) | Knights Landing (2016) |
| PassMark | 18,029+1% | 17,839 |
| Cinebench R23 Multi | 12,812 | — |
| Geekbench 6 Single | 1,720 | — |
| Geekbench 6 Multi | 8,150 | — |
Memory & Platform
The Core i9-9900KF uses the LGA1151 socket (PCIe 3.0), while the Xeon Phi 7290 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i9-9900KF | Xeon Phi 7290 |
|---|---|---|
| Socket | LGA1151 | LGA3647 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i9-9900KF) / not specified (Xeon Phi 7290). Primary use case: Core i9-9900KF targets Gaming.
| Feature | Core i9-9900KF | Xeon Phi 7290 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Gaming | — |
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