Xeon Platinum 8268 vs Xeon Gold 6338T
Xeon Platinum 8268
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 Platinum 8268
Performance Per Dollar Xeon Gold 6338T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8268 | Xeon Gold 6338T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($6,302) | ✅ More affordable ($1,795) |
| Longevity | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) | ✨ Modern (Ice Lake-SP (2021) / 10 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8268 | Xeon Gold 6338T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+258%) |
| Upfront Cost | ⚠️ Higher cost ($6,302) | ✅ 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 Platinum 8268 and Xeon Gold 6338T
Xeon Platinum 8268
The Xeon Platinum 8268 is manufactured by Intel. It was released in 11 December 2018 (6 years ago). It is based on the Cascade Lake-SP (2018) architecture. It features 24 cores and 48 threads. Base frequency is 2.9 GHz, with boost up to 3.9 GHz. L3 cache: 35.75 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 35,081 points. Launch price was $6,302.
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
Both the Xeon Platinum 8268 and Xeon Gold 6338T share an identical 24-core/48-thread configuration. Boost clocks reach 3.9 GHz on the Xeon Platinum 8268 versus 3.4 GHz on the Xeon Gold 6338T — a 13.7% clock advantage for the Xeon Platinum 8268 (base: 2.9 GHz vs 2.1 GHz). The Xeon Platinum 8268 uses the Cascade Lake-SP (2018) architecture (14 nm), while the Xeon Gold 6338T uses Ice Lake-SP (2021) (10 nm). In PassMark, the Xeon Platinum 8268 scores 35,081 against the Xeon Gold 6338T's 35,801 — a 2% lead for the Xeon Gold 6338T. L3 cache: 35.75 MB (total) on the Xeon Platinum 8268 vs 36 MB (total) on the Xeon Gold 6338T.
| Feature | Xeon Platinum 8268 | Xeon Gold 6338T |
|---|---|---|
| Cores / Threads | 24 / 48 | 24 / 48 |
| Boost Clock | 3.9 GHz+15% | 3.4 GHz |
| Base Clock | 2.9 GHz+38% | 2.1 GHz |
| L3 Cache | 35.75 MB (total) | 36 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 14 nm | 10 nm-29% |
| Architecture | Cascade Lake-SP (2018) | Ice Lake-SP (2021) |
| PassMark | 35,081 | 35,801+2% |
| Cinebench R23 Multi | 24,500 | — |
| Geekbench 6 Single | 1,394 | — |
| Geekbench 6 Multi | 12,046 | — |
Memory & Platform
The Xeon Platinum 8268 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 Platinum 8268 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 1024 GB — 142.9% more capacity for professional workloads. Memory channels: 6 (Xeon Platinum 8268) vs 8 (Xeon Gold 6338T). PCIe lanes: 48 (Xeon Platinum 8268) vs 64 (Xeon Gold 6338T) — the Xeon Gold 6338T offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621,Lewisburg (Xeon Platinum 8268) and C621A (Xeon Gold 6338T).
| Feature | Xeon Platinum 8268 | 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 | 1024 GB+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 Platinum 8268) vs VT-x, VT-d (Xeon Gold 6338T). Primary use case: Xeon Platinum 8268 targets High-end Server. Direct competitor: Xeon Platinum 8268 rivals EPYC 7452; Xeon Gold 6338T rivals EPYC 7443P.
| Feature | Xeon Platinum 8268 | 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 | High-end Server | — |
Value Analysis
The Xeon Platinum 8268 launched at $6302 MSRP, while the Xeon Gold 6338T debuted at $3139.
| Feature | Xeon Platinum 8268 | Xeon Gold 6338T |
|---|---|---|
| MSRP | $6302 | $3139-50% |
| Avg Price (30d) | — | $1795 |
| Release Date | 2019 | 2021 |
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