CPU
GPU
Xeon Gold 6238R
Xeon Gold 6338T
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 6238R
Performance Per Dollar Xeon Gold 6338T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6238R | Xeon Gold 6338T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($2,612) | ✅ More affordable ($1,795) |
| Longevity | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) | ✨ Modern (Ice Lake-SP (2021) / 10 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6238R | Xeon Gold 6338T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+50%) |
| Upfront Cost | ⚠️ Higher cost ($2,612) | ✅ More affordable ($1,795) |
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 6238R and Xeon Gold 6338T
Xeon Gold 6238R
The Xeon Gold 6238R 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 2.2 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): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 34,751 points. Launch price was $2,612.
Xeon Gold 6338T
The Xeon Gold 6338T is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-SP (2021) architecture. It features 24 cores and 48 threads. Base frequency is 2.1 GHz, with boost up to 3.4 GHz. L3 cache: 36 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 165 Watt. Memory support: DDR4-3200. Passmark benchmark score: 35,801 points. Launch price was $800.
Processing Power
The Xeon Gold 6238R packs 28 cores / 56 threads, while the Xeon Gold 6338T offers 24 cores / 48 threads — the Xeon Gold 6238R has 4 more cores. Boost clocks reach 4 GHz on the Xeon Gold 6238R versus 3.4 GHz on the Xeon Gold 6338T — a 16.2% clock advantage for the Xeon Gold 6238R (base: 2.2 GHz vs 2.1 GHz). The Xeon Gold 6238R uses the Cascade Lake (2019−2020) architecture (14 nm), while the Xeon Gold 6338T uses Ice Lake-SP (2021) (10 nm). In PassMark, the Xeon Gold 6238R scores 34,751 against the Xeon Gold 6338T's 35,801 — a 3% lead for the Xeon Gold 6338T. L3 cache: 38.5 MB on the Xeon Gold 6238R vs 36 MB (total) on the Xeon Gold 6338T.
| Feature | Xeon Gold 6238R | Xeon Gold 6338T |
|---|---|---|
| Cores / Threads | 28 / 56+17% | 24 / 48 |
| Boost Clock | 4 GHz+18% | 3.4 GHz |
| Base Clock | 2.2 GHz+5% | 2.1 GHz |
| L3 Cache | 38.5 MB+7% | 36 MB (total) |
| L2 Cache | 28 MB+2700% | 1 MB (per core) |
| Process | 14 nm | 10 nm-29% |
| Architecture | Cascade Lake (2019−2020) | Ice Lake-SP (2021) |
| PassMark | 34,751 | 35,801+3% |
| Geekbench 6 Multi | 21,433 | — |
Memory & Platform
The Xeon Gold 6238R uses the LGA3647 socket (PCIe 3.0), while the Xeon Gold 6338T uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2933 on the Xeon Gold 6238R versus 3200 on the Xeon Gold 6338T — the Xeon Gold 6338T supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6338T supports up to 6144 of RAM compared to 1 TB — 199.9% more capacity for professional workloads. Memory channels: 6 (Xeon Gold 6238R) vs 8 (Xeon Gold 6338T). PCIe lanes: 48 (Xeon Gold 6238R) vs 64 (Xeon Gold 6338T) — the Xeon Gold 6338T offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621,C622,C624,C627,C628 (Xeon Gold 6238R) and C621A (Xeon Gold 6338T).
| Feature | Xeon Gold 6238R | Xeon Gold 6338T |
|---|---|---|
| Socket | LGA3647 | LGA4189 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2933 | 3200+79900% |
| Max RAM Capacity | 1 TB+17476167% | 6144 |
| RAM Channels | 6 | 8+33% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48 | 64+33% |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, EPT (Xeon Gold 6238R) vs VT-x, VT-d (Xeon Gold 6338T). Primary use case: Xeon Gold 6238R targets Server. Direct competitor: Xeon Gold 6238R rivals Xeon Gold 6248R; Xeon Gold 6338T rivals EPYC 7443P.
| Feature | Xeon Gold 6238R | Xeon Gold 6338T |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d |
| Target Use | Server | — |
Value Analysis
The Xeon Gold 6238R launched at $2612 MSRP, while the Xeon Gold 6338T debuted at $3139.
| Feature | Xeon Gold 6238R | Xeon Gold 6338T |
|---|---|---|
| MSRP | $2612-17% | $3139 |
| Avg Price (30d) | — | $1795 |
| Release Date | 2020 | 2021 |
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