Xeon Gold 6140 vs Xeon Gold 6138
Xeon Gold 6140
Xeon Gold 6138
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 6140
Performance Per Dollar Xeon Gold 6138
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6140 | Xeon Gold 6138 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($300) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6140 | Xeon Gold 6138 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($300) |
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 6140 and Xeon Gold 6138
Xeon Gold 6140
The Xeon Gold 6140 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 18 cores and 36 threads. Base frequency is 2.3 GHz, with boost up to 3.7 GHz. L3 cache: 24.75 MB. L2 cache: 18 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 24,187 points. Launch price was $2,445.
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.
Processing Power
The Xeon Gold 6140 packs 18 cores / 36 threads, while the Xeon Gold 6138 offers 20 cores / 40 threads — the Xeon Gold 6138 has 2 more cores. Boost clocks reach 3.7 GHz on the Xeon Gold 6140 versus 3.7 GHz on the Xeon Gold 6138 — identical boost frequencies (base: 2.3 GHz vs 2 GHz). Both are built on the Skylake (server) (2017−2018) architecture using a 14 nm process. In PassMark, the Xeon Gold 6140 scores 24,187 against the Xeon Gold 6138's 24,108 — a 0.3% lead for the Xeon Gold 6140. L3 cache: 24.75 MB on the Xeon Gold 6140 vs 27.5 MB on the Xeon Gold 6138.
| Feature | Xeon Gold 6140 | Xeon Gold 6138 |
|---|---|---|
| Cores / Threads | 18 / 36 | 20 / 40+11% |
| Boost Clock | 3.7 GHz | 3.7 GHz |
| Base Clock | 2.3 GHz+15% | 2 GHz |
| L3 Cache | 24.75 MB | 27.5 MB+11% |
| L2 Cache | 18 MB | 20 MB+11% |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (server) (2017−2018) | Skylake (server) (2017−2018) |
| PassMark | 24,187 | 24,108 |
| Geekbench 6 Single | — | 1,261 |
| Geekbench 6 Multi | — | 15,439 |
Memory & Platform
Both processors use the LGA3647 socket with PCIe 3.0. Maximum memory speed reaches 2666 on the Xeon Gold 6140 versus DDR4-2666 on the Xeon Gold 6138 — the Xeon Gold 6140 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 768 of RAM. Both feature 6-channel memory with ECC support. Both provide 48 PCIe lanes. Chipset compatibility: C621 (Xeon Gold 6140) and C621 (Xeon Gold 6138).
| Feature | Xeon Gold 6140 | Xeon Gold 6138 |
|---|---|---|
| Socket | LGA3647 | LGA3647 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | 2666+66550% | DDR4-2666 |
| Max RAM Capacity | 768 | 768 GB+104857500% |
| RAM Channels | 6 | 6 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48 | 48 |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Primary use case: Xeon Gold 6138 targets Server. Direct competitor: Xeon Gold 6140 rivals EPYC 7451.
| Feature | Xeon Gold 6140 | Xeon Gold 6138 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | — | Server |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Xeon Gold 6140 and Xeon Gold 6138
