Xeon Silver 4514Y vs Core Ultra 7 255H
Xeon Silver 4514Y
Core Ultra 7 255H
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 Silver 4514Y
Performance Per Dollar Core Ultra 7 255H
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Silver 4514Y | Core Ultra 7 255H |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Emerald Rapids (2023) / Intel 7 nm) | ✨ Modern (Arrow Lake-H (2025) / 5 nm) |
💎 Value Proposition
| Insight | Xeon Silver 4514Y | Core Ultra 7 255H |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Silver 4514Y and Core Ultra 7 255H
Xeon Silver 4514Y
The Xeon Silver 4514Y is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Emerald Rapids (2023) architecture. It features 16 cores and 32 threads. Base frequency is 2 GHz, with boost up to 3.4 GHz. L3 cache: 30 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 150 Watt. Memory support: DDR5-4400. Passmark benchmark score: 30,621 points. Launch price was $780.
Core Ultra 7 255H
The Core Ultra 7 255H is manufactured by Intel. It was released in 1 January 2025 (less than a year ago). It is based on the Arrow Lake-H (2025) architecture. It features 16 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5.1 GHz. L3 cache: 24 MB. Built on 5 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 26 MB + 24 MB. Memory support: DDR5-6400. Passmark benchmark score: 30,932 points. Launch price was $514.
Processing Power
The Xeon Silver 4514Y packs 16 cores / 32 threads, matching the Core Ultra 7 255H's 16 cores. Boost clocks reach 3.4 GHz on the Xeon Silver 4514Y versus 5.1 GHz on the Core Ultra 7 255H — a 40% clock advantage for the Core Ultra 7 255H (base: 2 GHz vs 4.4 GHz). The Xeon Silver 4514Y uses the Emerald Rapids (2023) architecture (Intel 7 nm), while the Core Ultra 7 255H uses Arrow Lake-H (2025) (5 nm). In PassMark, the Xeon Silver 4514Y scores 30,621 against the Core Ultra 7 255H's 30,932 — a 1% lead for the Core Ultra 7 255H. Geekbench 6 single-core — the metric most relevant to gaming — records 2,100 vs 2,800, a 28.6% lead for the Core Ultra 7 255H that directly translates to higher frame rates. Multi-core Geekbench: 14,000 vs 15,700 (11.4% advantage for the Core Ultra 7 255H). L3 cache: 30 MB (total) on the Xeon Silver 4514Y vs 24 MB on the Core Ultra 7 255H.
| Feature | Xeon Silver 4514Y | Core Ultra 7 255H |
|---|---|---|
| Cores / Threads | 16 / 32 | 16 / 16 |
| Boost Clock | 3.4 GHz | 5.1 GHz+50% |
| Base Clock | 2 GHz | 4.4 GHz+120% |
| L3 Cache | 30 MB (total)+25% | 24 MB |
| L2 Cache | 2 MB (per core) | — |
| Process | Intel 7 nm | 5 nm-29% |
| Architecture | Emerald Rapids (2023) | Arrow Lake-H (2025) |
| PassMark | 30,621 | 30,932+1% |
| Cinebench R23 Multi | 22,000 | — |
| Geekbench 6 Single | 2,100 | 2,800+33% |
| Geekbench 6 Multi | 14,000 | 15,700+12% |
Memory & Platform
The Xeon Silver 4514Y uses the LGA4677 socket (PCIe 4.0), while the Core Ultra 7 255H uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-4400 memory speed. The Xeon Silver 4514Y supports up to 4096 GB of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 8 (Xeon Silver 4514Y) vs 2 (Core Ultra 7 255H). PCIe lanes: 80 (Xeon Silver 4514Y) vs 28 (Core Ultra 7 255H) — the Xeon Silver 4514Y offers 52 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Silver 4514Y) and HM870,WM880 (Core Ultra 7 255H).
| Feature | Xeon Silver 4514Y | Core Ultra 7 255H |
|---|---|---|
| Socket | LGA4677 | FCBGA2049 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR5-4400 | DDR5-6400 |
| Max RAM Capacity | 4096 GB+3100% | 128 GB |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 80+186% | 28 |
Advanced Features
Neither processor supports overclocking. Only the Xeon Silver 4514Y supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Xeon Silver 4514Y) vs VT-x, VT-d (Core Ultra 7 255H). The Core Ultra 7 255H includes integrated graphics (Intel Arc Graphics 140T), while the Xeon Silver 4514Y requires a dedicated GPU. Primary use case: Xeon Silver 4514Y targets Mainstream Server / Virtualization, Core Ultra 7 255H targets High-End Laptop. Direct competitor: Xeon Silver 4514Y rivals EPYC 8212.
| Feature | Xeon Silver 4514Y | Core Ultra 7 255H |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel Arc Graphics 140T |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d |
| Target Use | Mainstream Server / Virtualization | High-End Laptop |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Xeon Silver 4514Y and Core Ultra 7 255H
