
Core i7-1255U

Xeon Silver 4114
Core i7-1255U vs Xeon Silver 4114 Performance Spectrum
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.
Core i7-1255U vs Xeon Silver 4114 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Core i7-1255U vs Xeon Silver 4114: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core i7-1255U
2022Why buy it
- β Better for gaming: +15.8% higher average FPS across 50 shared CPU benchmark tests.
- β Draws 15W instead of 85W, a 70W reduction.
- β Newer platform on FCBGA1744 with DDR5 support instead of LGA3647 and DDR4.
- β Integrated graphics onboard with Iris Xe Graphics 96EU, while Xeon Silver 4114 needs a discrete GPU.
Trade-offs
- βLess compelling for workstation-style loads than Xeon Silver 4114, which brings 10 cores / 20 threads and 48 PCIe lanes.
Xeon Silver 4114
2017Why buy it
- β Better for workstations and heavier parallel workloads: 10 cores / 20 threads, plus 48 PCIe lanes vs 20.
- β 140% more PCIe lanes (48 vs 20) for storage and expansion-heavy builds.
Trade-offs
- βWorse for gaming: lower average FPS than Core i7-1255U across 50 shared CPU benchmark tests.
- βLower PassMark (13,097 vs 13,128).
- βLaunch MSRP is still $612 MSRP, while Core i7-1255U mostly shows up through inconsistent older-market listings.
- β466.7% higher power demand at 85W vs 15W.
- βOlder platform position on LGA3647 with DDR4, while Core i7-1255U moves to FCBGA1744 and DDR5.
Quick Answers
So, is Core i7-1255U better than Xeon Silver 4114?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core i7-1255U vs Xeon Silver 4114 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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) (2017β2018) 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 β 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) (2017β2018) (14 nm). In PassMark, the Core i7-1255U scores 13,128 against the Xeon Silver 4114's 13,097 β 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) (2017β2018) |
| PassMark | 13,128 | 13,097 |
| Geekbench 6 Single | 1,809 | β |
Memory & Platform
The Core i7-1255U uses the FCBGA1744 socket (PCIe 5.0), while the Xeon Silver 4114 uses LGA3647 (PCIe 3.0) β 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 β the Core i7-1255U supports 100% 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 β 1100% 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) β 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+100% | DDR4-2400 |
| Max RAM Capacity | 64 GB | 768 GB+1100% |
| RAM Channels | 2 | 6+200% |
| ECC Support | No | Yes |
| 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 | β |
| Unlocked | No | β |
| AVX-512 | No | β |
| Virtualization | VT-x, VT-d, EPT | β |
| Target Use | Mainstream Laptop | β |
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