CPU
GPU
Core i7-1255U
Xeon Silver 4114
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 Core i7-1255U
Performance Per Dollar Xeon Silver 4114
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-1255U | Xeon Silver 4114 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($30) |
| Longevity | ✨ Modern (Alder Lake-U (2022) / Intel 7 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-1255U | Xeon Silver 4114 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($30) |
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 Core i7-1255U and Xeon Silver 4114
Core i7-1255U
The Core i7-1255U is manufactured by Intel. It was released in 23 February 2022 (3 years ago). It is based on the Alder Lake-U (2022) architecture. It features 10 cores and 12 threads. Base frequency is 1.7 GHz, with boost up to 4.7 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 13,128 points. Launch price was $149.
Xeon Silver 4114
The Xeon Silver 4114 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 10 cores and 20 threads. Base frequency is 2.2 GHz, with boost up to 3 GHz. L3 cache: 13.75 MB. L2 cache: 10 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 85 Watt. Memory support: DDR4-2400. Passmark benchmark score: 13,097 points. Launch price was $694.
Processing Power
The Core i7-1255U packs 10 cores / 12 threads, matching the Xeon Silver 4114's 10 cores. Boost clocks reach 4.7 GHz on the Core i7-1255U versus 3 GHz on the Xeon Silver 4114 — a 44.2% clock advantage for the Core i7-1255U (base: 1.7 GHz vs 2.2 GHz). The Core i7-1255U uses the Alder Lake-U (2022) architecture (Intel 7 nm), while the Xeon Silver 4114 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i7-1255U scores 13,128 against the Xeon Silver 4114's 13,097 — a 0.2% lead for the Core i7-1255U. L3 cache: 12 MB (total) on the Core i7-1255U vs 13.75 MB on the Xeon Silver 4114.
| Feature | Core i7-1255U | Xeon Silver 4114 |
|---|---|---|
| Cores / Threads | 10 / 12 | 10 / 20 |
| Boost Clock | 4.7 GHz+57% | 3 GHz |
| Base Clock | 1.7 GHz | 2.2 GHz+29% |
| L3 Cache | 12 MB (total) | 13.75 MB+15% |
| L2 Cache | 1.25 MB (per core) | 10 MB+700% |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | Alder Lake-U (2022) | Skylake (server) (2017−2018) |
| PassMark | 13,128 | 13,097 |
| Geekbench 6 Single | 1,809 | — |
Memory & Platform
The Core i7-1255U uses the FCBGA1744 socket (PCIe 5.0), while the Xeon Silver 4114 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i7-1255U versus DDR4-2400 on the Xeon Silver 4114 — the Core i7-1255U supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Silver 4114 supports up to 768 GB of RAM compared to 64 GB — 169.2% more capacity for professional workloads. Memory channels: 2 (Core i7-1255U) vs 6 (Xeon Silver 4114). PCIe lanes: 20 (Core i7-1255U) vs 48 (Xeon Silver 4114) — the Xeon Silver 4114 offers 28 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Alder Lake-U (Core i7-1255U) and Intel C621 (Xeon Silver 4114).
| Feature | Core i7-1255U | Xeon Silver 4114 |
|---|---|---|
| Socket | FCBGA1744 | LGA3647 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-4800+25% | DDR4-2400 |
| Max RAM Capacity | 64 GB | 768 GB+1100% |
| RAM Channels | 2 | 6+200% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 20 | 48+140% |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i7-1255U) / not specified (Xeon Silver 4114). The Core i7-1255U includes integrated graphics (Iris Xe Graphics 96EU), while the Xeon Silver 4114 requires a dedicated GPU. Primary use case: Core i7-1255U targets Mainstream Laptop. Direct competitor: Core i7-1255U rivals Ryzen 7 6800U.
| Feature | Core i7-1255U | Xeon Silver 4114 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Iris Xe Graphics 96EU | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Mainstream Laptop | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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