Xeon Gold 6138 vs Ryzen 9 6900HX
Xeon Gold 6138
Ryzen 9 6900HX
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 Xeon Gold 6138
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6138 | Ryzen 9 6900HX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($300) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Rembrandt-H (Zen 3+) (2022) / 6 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6138 | Ryzen 9 6900HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($300) | ✅ 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 Xeon Gold 6138 and Ryzen 9 6900HX
Xeon Gold 6138
The Xeon Gold 6138 is manufactured by Intel. It was released in 25 April 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 20 cores and 40 threads. Base frequency is 2 GHz, with boost up to 3.7 GHz. L3 cache: 27.5 MB. L2 cache: 20 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2666. Passmark benchmark score: 24,108 points. Launch price was $2,612.
Ryzen 9 6900HX
The Ryzen 9 6900HX is manufactured by AMD. It was released in Janeiro 2022 (3 years ago). It is based on the Rembrandt-H (Zen 3+) (2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 6 nm process technology. Socket: FP7. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 24,248 points. Launch price was $299.
Processing Power
The Xeon Gold 6138 packs 20 cores / 40 threads, while the Ryzen 9 6900HX offers 8 cores / 16 threads — the Xeon Gold 6138 has 12 more cores. Boost clocks reach 3.7 GHz on the Xeon Gold 6138 versus 4.9 GHz on the Ryzen 9 6900HX — a 27.9% clock advantage for the Ryzen 9 6900HX (base: 2 GHz vs 3.3 GHz). The Xeon Gold 6138 uses the Skylake (server) (2017−2018) architecture (14 nm), while the Ryzen 9 6900HX uses Rembrandt-H (Zen 3+) (2022) (6 nm). In PassMark, the Xeon Gold 6138 scores 24,108 against the Ryzen 9 6900HX's 24,248 — a 0.6% lead for the Ryzen 9 6900HX. L3 cache: 27.5 MB on the Xeon Gold 6138 vs 16 MB (total) on the Ryzen 9 6900HX.
| Feature | Xeon Gold 6138 | Ryzen 9 6900HX |
|---|---|---|
| Cores / Threads | 20 / 40+150% | 8 / 16 |
| Boost Clock | 3.7 GHz | 4.9 GHz+32% |
| Base Clock | 2 GHz | 3.3 GHz+65% |
| L3 Cache | 27.5 MB+72% | 16 MB (total) |
| L2 Cache | 20 MB+3900% | 512K (per core) |
| Process | 14 nm | 6 nm-57% |
| Architecture | Skylake (server) (2017−2018) | Rembrandt-H (Zen 3+) (2022) |
| PassMark | 24,108 | 24,248 |
| Geekbench 6 Single | 1,261 | — |
| Geekbench 6 Multi | 15,439 | — |
Memory & Platform
The Xeon Gold 6138 uses the LGA3647 socket (PCIe 3.0), while the Ryzen 9 6900HX uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon Gold 6138 | Ryzen 9 6900HX |
|---|---|---|
| Socket | LGA3647 | FP7 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 768 GB | — |
| RAM Channels | 6 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 48 | — |
Advanced Features
Virtualization: VT-x, VT-d (Xeon Gold 6138) / not specified (Ryzen 9 6900HX). Primary use case: Xeon Gold 6138 targets Server.
| Feature | Xeon Gold 6138 | Ryzen 9 6900HX |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Server | — |
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