Intel processor platform

Processors for LGA1155

Explore 119 processors recorded for the LGA1155 platform and compare their generations, core counts and performance results in one place. Use this index to understand the available upgrade range before checking board-level support for a specific CPU.

119 processorsLGA

Intelunknown119 CPUs

Selection guide

Choosing a CPU for LGA1155

This LGA1155 page groups 119 processors recorded for the platform. Use the performance ranking to find strong candidates, then verify chipset, BIOS revision, power limits and memory support on the motherboard support page before buying; a matching socket name alone does not guarantee full compatibility.

1 brands 1–4 cores 3,215 average CPU Mark 17.00–95.00 W TDP

Motherboard support

Confirm that the exact board model, chipset and BIOS revision support the chosen LGA1155 processor.

Power and cooling

Check real board power limits, VRM capability and cooler capacity rather than relying on TDP alone.

Upgrade value

Compare the cost of the fastest sensible same-platform CPU with moving to a newer board and memory platform.

By CPU Mark

Performance ranking

This ranking shows the strongest LGA1155 processors by the CPU Mark stored by CPULoom. Balance the score with power use, core count, motherboard support and cooling before choosing an upgrade.

01 Intel Xeon E3-1275 V2 @ 3.50GHz 4C / 8T 6,631CPU Mark
02 Intel Xeon E3-1280 V2 @ 3.60GHz 4C / 8T 6,623CPU Mark
03 Intel Core i7-3770K @ 3.50GHz 4C / 8T 6,521CPU Mark
04 Intel Xeon E3-1270 V2 @ 3.50GHz 4C / 8T 6,481CPU Mark
05 Intel Core i7-3770 @ 3.40GHz 4C / 8T 6,410CPU Mark

FAQ

Frequently asked questions

What is the LGA1155 socket?

It is the mechanical and electrical interface between a processor and motherboard. This page groups CPUs recorded by CPULoom for the LGA1155 platform.

Will every LGA1155 CPU work in any motherboard with that socket?

Not necessarily. Chipset, BIOS revision, processor-generation support and board power limits can differ, so check the motherboard manufacturer’s official CPU support list.

What is the best CPU for LGA1155?

The performance ranking highlights the highest stored CPU Mark results, but the best choice also depends on workload, budget, motherboard capability, cooling and power use.

Can I change CPU socket without replacing the motherboard?

Usually not. The socket is part of the motherboard, so moving to another socket requires a compatible board and may also require different memory or cooling hardware.

This summary is calculated from processor records linked to the category. Performance results are broad comparison indicators and can vary with system, power and cooling. Latest data update: 2026-10-20

Processor catalog

LGA1155

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