
Xeon Platinum 8270

Xeon Gold 5318Y
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 8270
Performance Per Dollar Xeon Gold 5318Y
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8270 | Xeon Gold 5318Y |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($7,405) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) | ✨ Modern (Ice Lake-SP (2021) / 10 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8270 | Xeon Gold 5318Y |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($7,405) | ✅ 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 Platinum 8270 and Xeon Gold 5318Y

Xeon Platinum 8270
The Xeon Platinum 8270 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 26 cores and 52 threads. Base frequency is 2.7 GHz, with boost up to 4 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: 33,602 points. Launch price was $7,405.

Xeon Gold 5318Y
The Xeon Gold 5318Y 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: DDR4-2933. Passmark benchmark score: 33,139 points. Launch price was $800.
Processing Power
The Xeon Platinum 8270 packs 26 cores / 52 threads, while the Xeon Gold 5318Y offers 24 cores / 48 threads — the Xeon Platinum 8270 has 2 more cores. Boost clocks reach 4 GHz on the Xeon Platinum 8270 versus 3.4 GHz on the Xeon Gold 5318Y — a 16.2% clock advantage for the Xeon Platinum 8270 (base: 2.7 GHz vs 2.1 GHz). The Xeon Platinum 8270 uses the Cascade Lake-SP (2018) architecture (14 nm), while the Xeon Gold 5318Y uses Ice Lake-SP (2021) (10 nm). In PassMark, the Xeon Platinum 8270 scores 33,602 against the Xeon Gold 5318Y's 33,139 — a 1.4% lead for the Xeon Platinum 8270. Cinebench R23 multi-core: 32,000 vs 28,500 (11.6% advantage for the Xeon Platinum 8270). Geekbench 6 single-core — the metric most relevant to gaming — records 1,200 vs 1,251, a 4.2% lead for the Xeon Gold 5318Y that directly translates to higher frame rates. Multi-core Geekbench: 11,000 vs 21,846 (66% advantage for the Xeon Gold 5318Y). L3 cache: 35.75 MB (total) on the Xeon Platinum 8270 vs 36 MB (total) on the Xeon Gold 5318Y.
| Feature | Xeon Platinum 8270 | Xeon Gold 5318Y |
|---|---|---|
| Cores / Threads | 26 / 52+8% | 24 / 48 |
| Boost Clock | 4 GHz+18% | 3.4 GHz |
| Base Clock | 2.7 GHz+29% | 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 | 33,602+1% | 33,139 |
| Cinebench R23 Multi | 32,000+12% | 28,500 |
| Geekbench 6 Single | 1,200 | 1,251+4% |
| Geekbench 6 Multi | 11,000 | 21,846+99% |
Memory & Platform
The Xeon Platinum 8270 uses the LGA3647 socket (PCIe 3.0), while the Xeon Gold 5318Y uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2933 memory speed. The Xeon Gold 5318Y supports up to 6144 GB of RAM compared to 1024 GB — 142.9% more capacity for professional workloads. Memory channels: 6 (Xeon Platinum 8270) vs 8 (Xeon Gold 5318Y). PCIe lanes: 48 (Xeon Platinum 8270) vs 64 (Xeon Gold 5318Y) — the Xeon Gold 5318Y offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621,Lewisburg (Xeon Platinum 8270) and C621A,Ice Lake-SP (Xeon Gold 5318Y).
| Feature | Xeon Platinum 8270 | Xeon Gold 5318Y |
|---|---|---|
| Socket | LGA3647 | LGA4189 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2933 | DDR4-2933 |
| Max RAM Capacity | 1024 GB | 6144 GB+500% |
| 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. Both support VT-x, VT-d, EPT virtualization. Primary use case: Xeon Platinum 8270 targets Server / Workstation, Xeon Gold 5318Y targets Server / Virtualization. Direct competitor: Xeon Platinum 8270 rivals Xeon Platinum 8268; Xeon Gold 5318Y rivals Xeon Silver 4316.
| Feature | Xeon Platinum 8270 | Xeon Gold 5318Y |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d, EPT |
| Target Use | Server / Workstation | Server / Virtualization |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.

















