Xeon Gold 6138T vs Ryzen 7 7800X3D
Xeon Gold 6138T
Popular choices:
Ryzen 7 7800X3D
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 6138T
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6138T | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($400) | ✅ More affordable ($384) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6138T | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+75%) |
| Upfront Cost | ⚠️ Higher cost ($400) | ✅ More affordable ($384) |
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 6138T and Ryzen 7 7800X3D
Xeon Gold 6138T
The Xeon Gold 6138T 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: 20,356 points. Launch price was $2,742.
Ryzen 7 7800X3D
The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
Processing Power
The Xeon Gold 6138T packs 20 cores / 40 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Xeon Gold 6138T has 12 more cores. Boost clocks reach 3.7 GHz on the Xeon Gold 6138T versus 5 GHz on the Ryzen 7 7800X3D — a 29.9% clock advantage for the Ryzen 7 7800X3D (base: 2 GHz vs 4.4 GHz). The Xeon Gold 6138T uses the Skylake (server) (2017−2018) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Xeon Gold 6138T scores 20,356 against the Ryzen 7 7800X3D's 34,293 — a 51% lead for the Ryzen 7 7800X3D. Geekbench 6 single-core — the metric most relevant to gaming — records 1,030 vs 2,700, a 89.5% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates. Multi-core Geekbench: 11,988 vs 15,000 (22.3% advantage for the Ryzen 7 7800X3D). L3 cache: 27.5 MB on the Xeon Gold 6138T vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | Xeon Gold 6138T | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 20 / 40+150% | 8 / 16 |
| Boost Clock | 3.7 GHz | 5 GHz+35% |
| Base Clock | 2 GHz | 4.4 GHz+120% |
| L3 Cache | 27.5 MB | 96 MB (total)+249% |
| L2 Cache | 20 MB+1900% | 1 MB (per core) |
| Process | 14 nm | 5 nm-64% |
| Architecture | Skylake (server) (2017−2018) | Raphael (Zen4) (2022−2023) |
| PassMark | 20,356 | 34,293+68% |
| Cinebench R23 Multi | — | 18,500 |
| Geekbench 6 Single | 1,030 | 2,700+162% |
| Geekbench 6 Multi | 11,988 | 15,000+25% |
Memory & Platform
The Xeon Gold 6138T uses the LGA3647 socket (PCIe 3.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Xeon Gold 6138T versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6138T supports up to 768 GB of RAM compared to 128 GB — 142.9% more capacity for professional workloads. Memory channels: 6 (Xeon Gold 6138T) vs 2 (Ryzen 7 7800X3D). PCIe lanes: 48 (Xeon Gold 6138T) vs 28 (Ryzen 7 7800X3D) — the Xeon Gold 6138T offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C620 (Xeon Gold 6138T) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | Xeon Gold 6138T | Ryzen 7 7800X3D |
|---|---|---|
| Socket | LGA3647 | AM5 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2666 | DDR5-5200+25% |
| Max RAM Capacity | 768 GB+500% | 128 GB |
| RAM Channels | 6+200% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48+71% | 28 |
Advanced Features
Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: Yes (Xeon Gold 6138T) vs AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Xeon Gold 6138T requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Xeon Gold 6138T | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | AMD Radeon Graphics (2-core) |
| Unlocked | — | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | Yes | AMD-V |
| Target Use | — | Gaming |
Value Analysis
The Xeon Gold 6138T launched at $2742 MSRP, while the Ryzen 7 7800X3D debuted at $449. At current prices ($400 vs $384), the Ryzen 7 7800X3D is $16 cheaper. In terms of value (PassMark points per dollar), the Xeon Gold 6138T delivers 50.9 pts/$ vs 89.3 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 54.8% better value option.
| Feature | Xeon Gold 6138T | Ryzen 7 7800X3D |
|---|---|---|
| MSRP | $2742 | $449-84% |
| Avg Price (30d) | $400 | $384-4% |
| Performance per Dollar | 50.9 | 89.3+75% |
| Release Date | 2017 | 2023 |
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