Xeon W-3275 vs Xeon 6515P
Xeon W-3275
Xeon 6515P
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 W-3275
Performance Per Dollar Xeon 6515P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-3275 | Xeon 6515P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($1,550) | ✅ More affordable ($886) |
| Longevity | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) | ✨ Modern (Granite Rapids (2024−2025) / Intel 3 nm) |
💎 Value Proposition
| Insight | Xeon W-3275 | Xeon 6515P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+73%) |
| Upfront Cost | ⚠️ Higher cost ($1,550) | ✅ More affordable ($886) |
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 W-3275 and Xeon 6515P
Xeon W-3275
The Xeon W-3275 is manufactured by Intel. It was released in 3 June 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 28 cores and 56 threads. Base frequency is 2.5 GHz, with boost up to 4.6 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: 41,267 points. Launch price was $4,449.
Xeon 6515P
The Xeon 6515P 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 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 3.8 GHz. L3 cache: 72 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: 40,720 points. Launch price was $740.
Processing Power
The Xeon W-3275 packs 28 cores / 56 threads, while the Xeon 6515P offers 16 cores / 32 threads — the Xeon W-3275 has 12 more cores. Boost clocks reach 4.6 GHz on the Xeon W-3275 versus 3.8 GHz on the Xeon 6515P — a 19% clock advantage for the Xeon W-3275 (base: 2.5 GHz vs 2.3 GHz). The Xeon W-3275 uses the Cascade Lake (2019−2020) architecture (14 nm), while the Xeon 6515P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Xeon W-3275 scores 41,267 against the Xeon 6515P's 40,720 — a 1.3% lead for the Xeon W-3275. L3 cache: 38.5 MB on the Xeon W-3275 vs 72 MB (total) on the Xeon 6515P.
| Feature | Xeon W-3275 | Xeon 6515P |
|---|---|---|
| Cores / Threads | 28 / 56+75% | 16 / 32 |
| Boost Clock | 4.6 GHz+21% | 3.8 GHz |
| Base Clock | 2.5 GHz+9% | 2.3 GHz |
| L3 Cache | 38.5 MB | 72 MB (total)+87% |
| L2 Cache | 28 MB+1300% | 2 MB (per core) |
| Process | 14 nm | Intel 3 nm-79% |
| Architecture | Cascade Lake (2019−2020) | Granite Rapids (2024−2025) |
| PassMark | 41,267+1% | 40,720 |
Memory & Platform
The Xeon W-3275 uses the LGA3647 socket (PCIe 3.0), while the Xeon 6515P uses LGA4710 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Xeon W-3275 versus 6400 on the Xeon 6515P — the Xeon 6515P supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon 6515P supports up to 4096 of RAM compared to 1024 — 120% more capacity for professional workloads. Memory channels: 6 (Xeon W-3275) vs 8 (Xeon 6515P). PCIe lanes: 64 (Xeon W-3275) vs 88 (Xeon 6515P) — the Xeon 6515P offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621 (Xeon W-3275) and LGA4710 (Xeon 6515P).
| Feature | Xeon W-3275 | Xeon 6515P |
|---|---|---|
| Socket | LGA3647 | LGA4710 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | 3200 | 6400+100% |
| Max RAM Capacity | 1024 | 4096+300% |
| RAM Channels | 6 | 8+33% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64 | 88+38% |
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 W-3275 rivals Threadripper 3970X; Xeon 6515P rivals EPYC 9534.
| Feature | Xeon W-3275 | Xeon 6515P |
|---|---|---|
| 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 W-3275 launched at $4449 MSRP, while the Xeon 6515P debuted at $740. At current prices ($1550 vs $886), the Xeon 6515P is $664 cheaper. In terms of value (PassMark points per dollar), the Xeon W-3275 delivers 26.6 pts/$ vs 46.0 pts/$ for the Xeon 6515P — making the Xeon 6515P the 53.3% better value option.
| Feature | Xeon W-3275 | Xeon 6515P |
|---|---|---|
| MSRP | $4449 | $740-83% |
| Avg Price (30d) | $1550 | $886-43% |
| Performance per Dollar | 26.6 | 46.0+73% |
| Release Date | 2019 | 2025 |
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