CPU
GPU
Xeon Gold 6338
Xeon Gold 6258R
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 6338
Performance Per Dollar Xeon Gold 6258R
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6338 | Xeon Gold 6258R |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($1,604) | ✅ More affordable ($1,400) |
| Longevity | ✨ Modern (Legacy / 10 nm) | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6338 | Xeon Gold 6258R |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+15%) |
| Upfront Cost | ⚠️ Higher cost ($1,604) | ✅ More affordable ($1,400) |
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 6338 and Xeon Gold 6258R
Xeon Gold 6338
The Xeon Gold 6338 is manufactured by Intel. It was released in 2015-01-01. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 3.2 GHz. L3 cache: 48 MB. Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 205 Watt. Memory support: DDR4-3200. Passmark benchmark score: 40,225 points. Launch price was $800.
Xeon Gold 6258R
The Xeon Gold 6258R is manufactured by Intel. It was released in 24 February 2020 (5 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 28 cores and 56 threads. Base frequency is 2.7 GHz, with boost up to 4 GHz. L3 cache: 38.5 MB. L2 cache: 28 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 40,442 points. Launch price was $3,950.
Processing Power
The Xeon Gold 6338 packs 32 cores / 64 threads, while the Xeon Gold 6258R offers 28 cores / 56 threads — the Xeon Gold 6338 has 4 more cores. Boost clocks reach 3.2 GHz on the Xeon Gold 6338 versus 4 GHz on the Xeon Gold 6258R — a 22.2% clock advantage for the Xeon Gold 6258R (base: 2 GHz vs 2.7 GHz). The Xeon Gold 6258R is built on the Cascade Lake (2019−2020) architecture. In PassMark, the Xeon Gold 6338 scores 40,225 against the Xeon Gold 6258R's 40,442 — a 0.5% lead for the Xeon Gold 6258R. L3 cache: 48 MB on the Xeon Gold 6338 vs 38.5 MB on the Xeon Gold 6258R.
| Feature | Xeon Gold 6338 | Xeon Gold 6258R |
|---|---|---|
| Cores / Threads | 32 / 64+14% | 28 / 56 |
| Boost Clock | 3.2 GHz | 4 GHz+25% |
| Base Clock | 2 GHz | 2.7 GHz+35% |
| L3 Cache | 48 MB+25% | 38.5 MB |
| L2 Cache | — | 28 MB |
| Process | 10 nm-29% | 14 nm |
| Architecture | — | Cascade Lake (2019−2020) |
| PassMark | 40,225 | 40,442 |
Memory & Platform
The Xeon Gold 6338 uses the LGA4189 socket (PCIe 4.0), while the Xeon Gold 6258R uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Xeon Gold 6338 versus 2933 on the Xeon Gold 6258R — the Xeon Gold 6338 supports 8.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6338 supports up to 6144 of RAM compared to 1024 — 142.9% more capacity for professional workloads. Memory channels: 8 (Xeon Gold 6338) vs 6 (Xeon Gold 6258R). PCIe lanes: 64 (Xeon Gold 6338) vs 48 (Xeon Gold 6258R) — the Xeon Gold 6338 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621A (Xeon Gold 6338) and LGA3647 (Xeon Gold 6258R).
| Feature | Xeon Gold 6338 | Xeon Gold 6258R |
|---|---|---|
| Socket | LGA4189 | LGA3647 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | 3200+9% | 2933 |
| Max RAM Capacity | 6144+500% | 1024 |
| RAM Channels | 8+33% | 6 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64+33% | 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. Direct competitor: Xeon Gold 6338 rivals EPYC 7543; Xeon Gold 6258R rivals EPYC 7502.
| Feature | Xeon Gold 6338 | Xeon Gold 6258R |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Xeon Gold 6338 launched at $2990 MSRP, while the Xeon Gold 6258R debuted at $3950. At current prices ($1604 vs $1400), the Xeon Gold 6258R is $204 cheaper. In terms of value (PassMark points per dollar), the Xeon Gold 6338 delivers 25.1 pts/$ vs 28.9 pts/$ for the Xeon Gold 6258R — making the Xeon Gold 6258R the 14.1% better value option.
| Feature | Xeon Gold 6338 | Xeon Gold 6258R |
|---|---|---|
| MSRP | $2990-24% | $3950 |
| Avg Price (30d) | $1604 | $1400-13% |
| Performance per Dollar | 25.1 | 28.9+15% |
| Release Date | 2021 | 2020 |
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