Core i9-9900KS vs Xeon E-2386G
Core i9-9900KS
Xeon E-2386G
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 i9-9900KS
Performance Per Dollar Xeon E-2386G
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-9900KS | Xeon E-2386G |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($350) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Coffee Lake-R (2018−2019) / 14 nm) | ✨ Modern (Rocket Lake-E (2021) / 14 nm) |
💎 Value Proposition
| Insight | Core i9-9900KS | Xeon E-2386G |
|---|---|---|
| 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 i9-9900KS and Xeon E-2386G
Core i9-9900KS
The Core i9-9900KS is manufactured by Intel. It was released in 28 October 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 4 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 127 Watt. Memory support: DDR4. Passmark benchmark score: 19,397 points. Launch price was $513.
Xeon E-2386G
The Xeon E-2386G is manufactured by Intel. It was released in 2015-01-01. It is based on the Rocket Lake-E (2021) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 5.1 GHz. L3 cache: 12 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 95 Watt. Memory support: DDR4-3200. Passmark benchmark score: 19,468 points. Launch price was $800.
Processing Power
The Core i9-9900KS packs 8 cores / 16 threads, while the Xeon E-2386G offers 6 cores / 12 threads — the Core i9-9900KS has 2 more cores. Boost clocks reach 5 GHz on the Core i9-9900KS versus 5.1 GHz on the Xeon E-2386G — a 2% clock advantage for the Xeon E-2386G (base: 4 GHz vs 3.5 GHz). The Core i9-9900KS uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Xeon E-2386G uses Rocket Lake-E (2021) (14 nm). In PassMark, the Core i9-9900KS scores 19,397 against the Xeon E-2386G's 19,468 — a 0.4% lead for the Xeon E-2386G. L3 cache: 16 MB (total) on the Core i9-9900KS vs 12 MB (total) on the Xeon E-2386G.
| Feature | Core i9-9900KS | Xeon E-2386G |
|---|---|---|
| Cores / Threads | 8 / 16+33% | 6 / 12 |
| Boost Clock | 5 GHz | 5.1 GHz+2% |
| Base Clock | 4 GHz+14% | 3.5 GHz |
| L3 Cache | 16 MB (total)+33% | 12 MB (total) |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 14 nm | 14 nm |
| Architecture | Coffee Lake-R (2018−2019) | Rocket Lake-E (2021) |
| PassMark | 19,397 | 19,468 |
Memory & Platform
The Core i9-9900KS uses the LGA1151 socket (PCIe 4.0), while the Xeon E-2386G uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i9-9900KS | Xeon E-2386G |
|---|---|---|
| Socket | LGA1151 | LGA1200 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
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