Xeon Gold 6148 vs Ryzen 9 7940H
Xeon Gold 6148
Ryzen 9 7940H
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.
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Performance Per Dollar Xeon Gold 6148
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6148 | Ryzen 9 7940H |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($290) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Phoenix (2023−2024) / 4 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6148 | Ryzen 9 7940H |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($290) | ✅ 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 6148 and Ryzen 9 7940H
Xeon Gold 6148
The Xeon Gold 6148 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 2.4 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): 150 Watt. Memory support: DDR4-2666. Passmark benchmark score: 29,021 points. Launch price was $3,072.
Ryzen 9 7940H
The Ryzen 9 7940H is manufactured by AMD. It was released in Janeiro 2023 (2 years ago). It is based on the Phoenix (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 35 Watt. Memory support: DDR5-5600. Passmark benchmark score: 29,151 points. Launch price was $299.
Processing Power
The Xeon Gold 6148 packs 20 cores / 40 threads, while the Ryzen 9 7940H offers 8 cores / 16 threads — the Xeon Gold 6148 has 12 more cores. Boost clocks reach 3.7 GHz on the Xeon Gold 6148 versus 5.2 GHz on the Ryzen 9 7940H — a 33.7% clock advantage for the Ryzen 9 7940H (base: 2.4 GHz vs 4 GHz). The Xeon Gold 6148 uses the Skylake (server) (2017−2018) architecture (14 nm), while the Ryzen 9 7940H uses Phoenix (2023−2024) (4 nm). In PassMark, the Xeon Gold 6148 scores 29,021 against the Ryzen 9 7940H's 29,151 — a 0.4% lead for the Ryzen 9 7940H. Cinebench R23 multi-core: 18,500 vs 17,200 (7.3% advantage for the Xeon Gold 6148). Geekbench 6 single-core — the metric most relevant to gaming — records 1,254 vs 2,646, a 71.4% lead for the Ryzen 9 7940H that directly translates to higher frame rates. Multi-core Geekbench: 9,445 vs 13,495 (35.3% advantage for the Ryzen 9 7940H). L3 cache: 27.5 MB on the Xeon Gold 6148 vs 16 MB (total) on the Ryzen 9 7940H.
| Feature | Xeon Gold 6148 | Ryzen 9 7940H |
|---|---|---|
| Cores / Threads | 20 / 40+150% | 8 / 16 |
| Boost Clock | 3.7 GHz | 5.2 GHz+41% |
| Base Clock | 2.4 GHz | 4 GHz+67% |
| L3 Cache | 27.5 MB+72% | 16 MB (total) |
| L2 Cache | 20 MB+1900% | 1 MB (per core) |
| Process | 14 nm | 4 nm-71% |
| Architecture | Skylake (server) (2017−2018) | Phoenix (2023−2024) |
| PassMark | 29,021 | 29,151 |
| Cinebench R23 Multi | 18,500+8% | 17,200 |
| Geekbench 6 Single | 1,254 | 2,646+111% |
| Geekbench 6 Multi | 9,445 | 13,495+43% |
Memory & Platform
The Xeon Gold 6148 uses the LGA3647 socket (PCIe 3.0), while the Ryzen 9 7940H uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Xeon Gold 6148 versus DDR5-5600 on the Ryzen 9 7940H — the Ryzen 9 7940H supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6148 supports up to 768 GB of RAM compared to 256 GB — 100% more capacity for professional workloads. Memory channels: 6 (Xeon Gold 6148) vs 2 (Ryzen 9 7940H). PCIe lanes: 48 (Xeon Gold 6148) vs 20 (Ryzen 9 7940H) — the Xeon Gold 6148 offers 28 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C620 (Xeon Gold 6148) and FP7,FP7r2,FP8 (Ryzen 9 7940H).
| Feature | Xeon Gold 6148 | Ryzen 9 7940H |
|---|---|---|
| Socket | LGA3647 | FP8 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2666 | DDR5-5600+25% |
| Max RAM Capacity | 768 GB+200% | 256 GB |
| RAM Channels | 6+200% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48+140% | 20 |
Advanced Features
Only the Ryzen 9 7940H 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, EPT (Xeon Gold 6148) vs AMD-V, SVM (Ryzen 9 7940H). The Ryzen 9 7940H includes integrated graphics (Radeon 780M), while the Xeon Gold 6148 requires a dedicated GPU. Primary use case: Xeon Gold 6148 targets Legacy Enterprise Workloads, Ryzen 9 7940H targets High-performance Gaming Laptop. Direct competitor: Xeon Gold 6148 rivals EPYC 7401; Ryzen 9 7940H rivals Core i9-13900H.
| Feature | Xeon Gold 6148 | Ryzen 9 7940H |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon 780M |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, EPT | AMD-V, SVM |
| Target Use | Legacy Enterprise Workloads | High-performance Gaming Laptop |
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