Intel Xeon W-11155MRE

Embedded CPUIntel

Also called intel xeon w-11155mre, xeon w-11155mre, w-11155mre, xeon-w-11155mre

IntelEmbedded CPUTiger Lake

Intel Xeon W embedded processor on Tiger Lake, with 4 cores and 8 threads and 8 MB L3 on a 10 nm process addressing up to 128 GB and Intel UHD Graphics for 11th Gen Intel Processors.

What you need to know

Intel Xeon W-11155MRE is a aging embedded cpu.

Intel Xeon W-11155MRE launched in July 1, 2021., It has 4 cores and 8 threads on Tiger Lake, dropping into the FCBGA1787 socket. Treat the spec table as the facts. Age alone does not tell you to throw it out.

Still good?: Only if the workload is light
Product age: 5 years old
Upgrade pressure: Low to moderate

Feex says

If apps already feel slow, check RAM and storage before you blame this CPU by name alone.

What this hardware means today

Age and usefulness are not the same number. This page keeps them separate.

Performance today: Average. Average for the class when RAM, storage, and the GPU keep up.
Product age 5 years old: Aging. Launched July 1, 2021. Newer platforms exist. That does not make this chip unusable by itself.
Support status: Supported. Current Windows and current applications still run on this class of CPU. Platform BIOS support depends on the motherboard or laptop vendor.
Upgrade pressure: Low to moderate. Upgrade pressure comes from platform features and specific CPU-bound work, not from the chip being unusable.

Where does it sit?

Tiger Lake sits on Intel's recent Core timeline. Later desktop branding moved toward Core Ultra.

11th Gen

12th Gen

13th Gen

14th Gen

Core Ultra

Performance context

These are qualitative readings, not a fake 8.7 out of 10. Workload still wins.

Gaming: Good

Playable in lighter titles. A weak GPU will hide whatever this chip still has.

Productivity: Average

4 cores cover office, browser, and compile work in this class.

Multithreaded workloads: Average

8 threads. Heavy encodes still scale further on higher-core parts.

General use: Good

Everyday Windows use is not where most people notice this SKU first.

Efficiency: Good

Power is not recorded on this sheet.

Should you upgrade?

Probably not based on CPU performance alone.

Upgrade makes more sense if

Your workload is strongly CPU limited
You need a newer platform for memory, I/O, or chipset features
You need substantially more multicore performance
You need newer connectivity that your current board cannot offer

Upgrade makes less sense if

The GPU is the real bottleneck
Current applications are already responsive
The CPU rarely limits your workload

Specifications

Figures below follow the Feex Hardware Database record for this SKU. Fields without a recorded value are omitted.

Processor

Intel Xeon W-11155MRE is built on Tiger Lake using a 10 nm process.

Intel Xeon W-11155MRE specifications: Processor
Manufacturer	Intel
Family	Xeon W
Architecture	Tiger Lake
Generation	Intel Xeon W Processor
Manufacturing process	10 nm
Segment	Embedded

Cores and threads

Intel Xeon W-11155MRE has 4 cores and 8 threads.

Intel Xeon W-11155MRE specifications: Cores and threads
Cores	4
Threads	8

Clock speeds

Intel Xeon W-11155MRE boosts to 4.4 GHz.

Intel Xeon W-11155MRE specifications: Clock speeds
Max boost	4.4 GHz

Cache

Cache on this sheet is 8 MB L3.

Intel Xeon W-11155MRE specifications: Cache
L3 cache	8 MB
Total cache	8 MB

Memory

Intel Xeon W-11155MRE addresses 128 GB across 2 memory channels.

Intel Xeon W-11155MRE specifications: Memory
Supported types	DDR4
Max capacity	128 GB
Channels	2

Package and power

Intel Xeon W-11155MRE uses the FCBGA1787 socket.

Intel Xeon W-11155MRE specifications: Package and power
Socket	FCBGA1787
PCIe	20 lanes

Integrated graphics

Intel Xeon W-11155MRE includes Intel UHD Graphics for 11th Gen Intel Processors.

Intel Xeon W-11155MRE specifications: Integrated graphics
Integrated graphics	Intel UHD Graphics for 11th Gen Intel Processors

Market

Intel Xeon W-11155MRE launched July 1, 2021 at USD 249 (suggested price at launch).

Intel Xeon W-11155MRE specifications: Market
Launch date	July 1, 2021
Launch MSRP	USD 249 (suggested price at launch)
Model	W-11155MRE

Features

Intel Xeon W-11155MRE records 4 instruction sets on this sheet.

Intel Xeon W-11155MRE specifications: Features
Instruction sets	AVX-512AVX2SSE4.1SSE4.2
Security	Control-flow Enforcement (CET)Boot GuardOS GuardMode-Based Execute Control
Virtualization	Extended Page Tables (EPT)VT-d (DMA Remapping)VT-x (Hardware Virtualization)
AI acceleration	Gaussian Neural Accelerator

Compatibility

Compatibility
Socket	FCBGA1787
Board	A shared socket is not automatic compatibility. Check the motherboard CPU list and BIOS revision.
Memory	DDR4, up to 128 GB
Graphics	Intel UHD Graphics for 11th Gen Intel Processors

A shared socket is not automatic compatibility. Boards often need a BIOS update before a newer chip in the same socket will post.

Cooler clearance, VRM quality, and power limits matter as much as the socket name.

Read the memory list on the board. The CPU can list more standards than one motherboard will accept.

No post after a CPU swap

Clear CMOS only after you confirm the board list includes this SKU and the BIOS is new enough. A supported name on a box is not the same as a flashed board.

Sources and verification

Reviewed by Feex editorial. Last verified August 2026 Status: Partially Verified. How we research.

Feex Hardware Database · Specification source used for this sheet. CC BY 4.0.

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