Core i9-9990XE vs Xeon 6357P
Core i9-9990XE
Xeon 6357P
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 i9-9990XE
Performance Per Dollar Xeon 6357P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-9990XE | Xeon 6357P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($2,000) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Raptor Lake-R (2023−2025) / Intel 7 nm) |
💎 Value Proposition
| Insight | Core i9-9990XE | Xeon 6357P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($2,000) | ✅ 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 i9-9990XE and Xeon 6357P
Core i9-9990XE
The Core i9-9990XE is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 14 cores and 28 threads. Base frequency is 4 GHz, with boost up to 5.1 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 255 Watt. Memory support: DDR4 Quad-channel. Passmark benchmark score: 30,162 points. Launch price was $2,800.
Xeon 6357P
The Xeon 6357P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 8 cores and 16 threads. Base frequency is 3 GHz, with boost up to 5.1 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): 80 Watt. Memory support: DDR5-4800. Passmark benchmark score: 30,401 points. Launch price was $556.
Processing Power
The Core i9-9990XE packs 14 cores / 28 threads, while the Xeon 6357P offers 8 cores / 16 threads — the Core i9-9990XE has 6 more cores. Boost clocks reach 5.1 GHz on the Core i9-9990XE versus 5.1 GHz on the Xeon 6357P — identical boost frequencies (base: 4 GHz vs 3 GHz). The Core i9-9990XE uses the Skylake (server) (2017−2018) architecture (14 nm), while the Xeon 6357P uses Raptor Lake-R (2023−2025) (Intel 7 nm). In PassMark, the Core i9-9990XE scores 30,162 against the Xeon 6357P's 30,401 — a 0.8% lead for the Xeon 6357P. Geekbench 6 single-core — the metric most relevant to gaming — records 1,392 vs 2,784, a 66.7% lead for the Xeon 6357P that directly translates to higher frame rates. Multi-core Geekbench: 16,199 vs 12,769 (23.7% advantage for the Core i9-9990XE). L3 cache: 19.25 MB (total) on the Core i9-9990XE vs 24 MB (total) on the Xeon 6357P.
| Feature | Core i9-9990XE | Xeon 6357P |
|---|---|---|
| Cores / Threads | 14 / 28+75% | 8 / 16 |
| Boost Clock | 5.1 GHz | 5.1 GHz |
| Base Clock | 4 GHz+33% | 3 GHz |
| L3 Cache | 19.25 MB (total) | 24 MB (total)+25% |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 14 nm | Intel 7 nm-50% |
| Architecture | Skylake (server) (2017−2018) | Raptor Lake-R (2023−2025) |
| PassMark | 30,162 | 30,401 |
| Cinebench R23 Multi | — | 18,000 |
| Geekbench 6 Single | 1,392 | 2,784+100% |
| Geekbench 6 Multi | 16,199+27% | 12,769 |
Memory & Platform
The Core i9-9990XE uses the LGA2066 socket (PCIe 3.0), while the Xeon 6357P uses LGA1700 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i9-9990XE versus DDR5-4800 on the Xeon 6357P — the Xeon 6357P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Memory channels: 4 (Core i9-9990XE) vs 2 (Xeon 6357P). PCIe lanes: 44 (Core i9-9990XE) vs 20 (Xeon 6357P) — the Core i9-9990XE offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X299 (Core i9-9990XE) and Server chipsets (Xeon 6357P).
| Feature | Core i9-9990XE | Xeon 6357P |
|---|---|---|
| Socket | LGA2066 | LGA1700 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2666 | DDR5-4800+25% |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 4+100% | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 44+120% | 20 |
Advanced Features
Only the Core i9-9990XE has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core i9-9990XE) vs VT-x, VT-d, EPT (Xeon 6357P). Primary use case: Core i9-9990XE targets HEDT, Xeon 6357P targets Edge Server / Workstation. Direct competitor: Core i9-9990XE rivals Threadripper 2970WX; Xeon 6357P rivals Core i7-14700.
| Feature | Core i9-9990XE | Xeon 6357P |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, EPT |
| Target Use | HEDT | Edge Server / Workstation |
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