Core i7-1255U vs Xeon E-2136

Intel

Core i7-1255U

10 Cores12 Thrd15 WWMax: 4.7 GHz2022
Similar parts
·······
VS
Intel

Xeon E-2136

6 Cores12 Thrd80 WWMax: 4.5 GHz2018
Similar parts
·······

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.

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

2022

Why 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

2018

Why 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?
Not really, because they are built for different jobs. Xeon E-2136 makes more sense for workstation-style multi-core throughput, while Core i7-1255U is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon E-2136 is the stronger fit. You are getting 0.2% better PassMark, backed by 6 cores and 12 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-1255U still makes the most sense overall. Core i7-1255U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 14.7% average FPS lead across 50 shared CPU game tests in our data.
Which one is more future-proof for 2026 and beyond?
Core i7-1255U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2018) and a healthier platform with FCBGA1744 and DDR5 instead of LGA1151. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i7-1255U vs Xeon E-2136 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

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.

Intel

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.

FeatureCore i7-1255UXeon 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.

FeatureCore i7-1255UXeon 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.

FeatureCore i7-1255UXeon 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