
Core i7-1255U

Xeon E-2136
Core i7-1255U vs Xeon E-2136 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 E-2136 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 E-2136: 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
- ✅Better for gaming: +14.7% higher average FPS across 50 shared CPU benchmark tests.
- ✅Draws 15W instead of 80W, a 65W reduction.
- ✅Newer platform on FCBGA1744 with DDR5 support instead of LGA1151 and DDR4.
- ✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
- ✅Integrated graphics onboard with Iris Xe Graphics 96EU, while Xeon E-2136 needs a discrete GPU.
Trade-offs
- ❌Lower PassMark (13,128 vs 13,150).
Xeon E-2136
2018Why buy it
- ✅+0.2% higher PassMark.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core i7-1255U across 50 shared CPU benchmark tests.
- ❌433.3% higher power demand at 80W vs 15W.
- ❌Older platform position on LGA1151 with DDR4, while Core i7-1255U moves to FCBGA1744 and DDR5.
- ❌No integrated graphics, while Core i7-1255U can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Core i7-1255U better than Xeon E-2136?
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 E-2136 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 E-2136
The Xeon E-2136 is manufactured by Intel. It was released in 12 July 2018 (7 years ago). It is based on the Coffee Lake-S WS (2018−2019) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 4.5 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR4-2666. Passmark benchmark score: 13,150 points. Launch price was $289.
Processing Power
The Core i7-1255U packs 10 cores / 12 threads, while the Xeon E-2136 offers 6 cores / 12 threads — the Core i7-1255U has 4 more cores. Boost clocks reach 4.7 GHz on the Core i7-1255U versus 4.5 GHz on the Xeon E-2136 — a 4.3% clock advantage for the Core i7-1255U (base: 1.7 GHz vs 3.3 GHz). The Core i7-1255U uses the Alder Lake-U (2022) architecture (Intel 7 nm), while the Xeon E-2136 uses Coffee Lake-S WS (2018−2019) (14 nm). In PassMark, the Core i7-1255U scores 13,128 against the Xeon E-2136's 13,150 — a 0.2% lead for the Xeon E-2136. Both processors carry 12 MB (total) of L3 cache.
| Feature | Core i7-1255U | Xeon E-2136 |
|---|---|---|
| Cores / Threads | 10 / 12+67% | 6 / 12 |
| Boost Clock | 4.7 GHz+4% | 4.5 GHz |
| Base Clock | 1.7 GHz | 3.3 GHz+94% |
| L3 Cache | 12 MB (total) | 12 MB (total) |
| L2 Cache | 1.25 MB (per core)+400% | 256 kB (per core) |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | Alder Lake-U (2022) | Coffee Lake-S WS (2018−2019) |
| PassMark | 13,128 | 13,150 |
| Geekbench 6 Single | 1,809 | — |
Memory & Platform
The Core i7-1255U uses the FCBGA1744 socket (PCIe 5.0), while the Xeon E-2136 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-1255U | Xeon E-2136 |
|---|---|---|
| Socket | FCBGA1744 | LGA1151 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-4800 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | — |
| ECC Support | No | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i7-1255U) / not specified (Xeon E-2136). The Core i7-1255U includes integrated graphics (Iris Xe Graphics 96EU), while the Xeon E-2136 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 E-2136 |
|---|---|---|
| Integrated GPU | Yes | — |
| 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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