Xeon Silver 4208 vs Core i7-9700K
Xeon Silver 4208
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. The Xeon Silver 4208 is positioned at rank #329 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 Xeon Silver 4208
Performance Per Dollar Core i7-9700K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Silver 4208 | Core i7-9700K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($200) |
| Longevity | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) | ✨ Modern (Coffee Lake-R (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon Silver 4208 | Core i7-9700K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($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 Xeon Silver 4208 and Core i7-9700K
Xeon Silver 4208
The Xeon Silver 4208 is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 3.2 GHz. L3 cache: 11 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 85 Watt. Memory support: DDR4-2400. Passmark benchmark score: 11,040 points. Launch price was $417.
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 Xeon Silver 4208 packs 8 cores / 16 threads, matching the Core i7-9700K's 8 cores. Boost clocks reach 3.2 GHz on the Xeon Silver 4208 versus 4.9 GHz on the Core i7-9700K — a 42% clock advantage for the Core i7-9700K (base: 2.1 GHz vs 3.6 GHz). The Xeon Silver 4208 uses the Cascade Lake (2019−2020) architecture (14 nm), while the Core i7-9700K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Xeon Silver 4208 scores 11,040 against the Core i7-9700K's 14,397 — a 26.4% lead for the Core i7-9700K. L3 cache: 11 MB on the Xeon Silver 4208 vs 12 MB (total) on the Core i7-9700K.
| Feature | Xeon Silver 4208 | Core i7-9700K |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 8 |
| Boost Clock | 3.2 GHz | 4.9 GHz+53% |
| Base Clock | 2.1 GHz | 3.6 GHz+71% |
| L3 Cache | 11 MB | 12 MB (total)+9% |
| L2 Cache | 8 MB+3100% | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Cascade Lake (2019−2020) | Coffee Lake-R (2018−2019) |
| PassMark | 11,040 | 14,397+30% |
Memory & Platform
The Xeon Silver 4208 uses the LGA3647 socket (PCIe 3.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2400 on the Xeon Silver 4208 versus DDR4-2666 on the Core i7-9700K — the Xeon Silver 4208 supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Silver 4208 supports up to 1024 of RAM compared to 128 GB — 155.6% more capacity for professional workloads. Memory channels: 6 (Xeon Silver 4208) vs 2 (Core i7-9700K). PCIe lanes: 48 (Xeon Silver 4208) vs 16 (Core i7-9700K) — the Xeon Silver 4208 offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621 (Xeon Silver 4208) and Intel 300 series (Core i7-9700K).
| Feature | Xeon Silver 4208 | Core i7-9700K |
|---|---|---|
| Socket | LGA3647 | LGA1151 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | 2400+59900% | DDR4-2666 |
| Max RAM Capacity | 1024 | 128 GB+13107100% |
| RAM Channels | 6+200% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 48+200% | 16 |
Advanced Features
Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Silver 4208 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Xeon Silver 4208 requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.
| Feature | Xeon Silver 4208 | Core i7-9700K |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | UHD Graphics 630 |
| Unlocked | No | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | — | Desktop |
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