Xeon Platinum 8180 vs Xeon 6505P
Xeon Platinum 8180
Xeon 6505P
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 8180
Performance Per Dollar Xeon 6505P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8180 | Xeon 6505P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($2,363) | ✅ More affordable ($563) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Granite Rapids (2024−2025) / Intel 3 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8180 | Xeon 6505P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+332%) |
| Upfront Cost | ⚠️ Higher cost ($2,363) | ✅ More affordable ($563) |
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 8180 and Xeon 6505P
Xeon Platinum 8180
The Xeon Platinum 8180 is manufactured by Intel. It was released in 11 July 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 28 cores and 56 threads. Base frequency is 2.5 GHz, with boost up to 3.8 GHz. L3 cache: 38.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2666. Passmark benchmark score: 38,259 points. Launch price was $10,009.
Xeon 6505P
The Xeon 6505P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 2.2 GHz, with boost up to 4.1 GHz. L3 cache: 48 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 150 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 39,341 points. Launch price was $563.
Processing Power
The Xeon Platinum 8180 packs 28 cores / 56 threads, while the Xeon 6505P offers 12 cores / 24 threads — the Xeon Platinum 8180 has 16 more cores. Boost clocks reach 3.8 GHz on the Xeon Platinum 8180 versus 4.1 GHz on the Xeon 6505P — a 7.6% clock advantage for the Xeon 6505P (base: 2.5 GHz vs 2.2 GHz). The Xeon Platinum 8180 uses the Skylake (server) (2017−2018) architecture (14 nm), while the Xeon 6505P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Xeon Platinum 8180 scores 38,259 against the Xeon 6505P's 39,341 — a 2.8% lead for the Xeon 6505P. L3 cache: 38.5 MB (total) on the Xeon Platinum 8180 vs 48 MB (total) on the Xeon 6505P.
| Feature | Xeon Platinum 8180 | Xeon 6505P |
|---|---|---|
| Cores / Threads | 28 / 56+133% | 12 / 24 |
| Boost Clock | 3.8 GHz | 4.1 GHz+8% |
| Base Clock | 2.5 GHz+14% | 2.2 GHz |
| L3 Cache | 38.5 MB (total) | 48 MB (total)+25% |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 14 nm | Intel 3 nm-79% |
| Architecture | Skylake (server) (2017−2018) | Granite Rapids (2024−2025) |
| PassMark | 38,259 | 39,341+3% |
Memory & Platform
The Xeon Platinum 8180 uses the LGA3647 socket (PCIe 3.0), while the Xeon 6505P uses LGA4710 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Xeon Platinum 8180 versus 6400 on the Xeon 6505P — the Xeon 6505P supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon 6505P supports up to 4096 of RAM compared to 768 GB — 136.8% more capacity for professional workloads. Memory channels: 6 (Xeon Platinum 8180) vs 8 (Xeon 6505P). PCIe lanes: 48 (Xeon Platinum 8180) vs 88 (Xeon 6505P) — the Xeon 6505P offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel C621 (Xeon Platinum 8180) and LGA4710 (Xeon 6505P).
| Feature | Xeon Platinum 8180 | Xeon 6505P |
|---|---|---|
| Socket | LGA3647 | LGA4710 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2666 | 6400+159900% |
| Max RAM Capacity | 768 GB+19660700% | 4096 |
| RAM Channels | 6 | 8+33% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48 | 88+83% |
Advanced Features
Virtualization: not specified (Xeon Platinum 8180) / VT-x, VT-d (Xeon 6505P). Direct competitor: Xeon 6505P rivals EPYC 9334.
| Feature | Xeon Platinum 8180 | Xeon 6505P |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d |
Value Analysis
The Xeon Platinum 8180 launched at $10009 MSRP, while the Xeon 6505P debuted at $563. At current prices ($2363 vs $563), the Xeon 6505P is $1800 cheaper. In terms of value (PassMark points per dollar), the Xeon Platinum 8180 delivers 16.2 pts/$ vs 69.9 pts/$ for the Xeon 6505P — making the Xeon 6505P the 124.8% better value option.
| Feature | Xeon Platinum 8180 | Xeon 6505P |
|---|---|---|
| MSRP | $10009 | $563-94% |
| Avg Price (30d) | $2363 | $563-76% |
| Performance per Dollar | 16.2 | 69.9+331% |
| Release Date | 2017 | 2025 |
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