Components

CPUsBrowse GPUsBrowse MotherboardsBrowse RAMBrowse CasesBrowse PSUsBrowse CPU CoolersBrowse StorageBrowse

Peripherals

MonitorsBrowse KeyboardsBrowse MiceBrowse HeadphonesBrowse SpeakersBrowse WebcamsBrowse WiFi CardsBrowse

Smart Wizard

Get a complete build plan based on budget and goals.

Build Comparison

Compare complete builds side by side.

Part Comparison

Check specs, price, and value across parts.

Bottleneck Calculator

Measure CPU and GPU balance before you buy.

Power Calculator

Estimate wattage and PSU headroom.

Will It Run?

Test your hardware against popular games.

Completed Builds

Browse finished community setups.

Forums

Ask questions and join build discussions.

Components

CPUs GPUs Motherboards RAM Cases PSUs CPU Coolers Storage

Peripherals

Monitors Keyboards Mice Headphones Speakers Webcams WiFi Cards

Smart Wizard

Get a complete build plan based on budget and goals.

Build Comparison

Compare complete builds side by side.

Part Comparison

Check specs, price, and value across parts.

Bottleneck Calculator

Measure CPU and GPU balance before you buy.

Power Calculator

Estimate wattage and PSU headroom.

Will It Run?

Test your hardware against popular games.

Completed Builds

Browse finished community setups.

Forums

Ask questions and join build discussions.

Theme

TimeToPick

Build Smarter, Pick Better

TimeToPick helps you research parts, compare builds, compare offers, and make faster decisions across every stage of your next PC upgrade.

As an Amazon Associate I earn from qualifying purchases.

Build Tools

Builder Smart Wizard Build Compare Part Compare Bottleneck Calculator Power Calculator Will It Run?

Browse

CPUs GPUs Motherboards RAM Cases PSUs Storage Monitors

Community

Completed Builds Forums Build Guides

Account

My Builds Settings

© 2026 TimeToPick. All rights reserved.

About Contact Affiliate Disclosure Privacy Policy Terms of Service

Components

CPUsBrowse GPUsBrowse MotherboardsBrowse RAMBrowse CasesBrowse PSUsBrowse CPU CoolersBrowse StorageBrowse

Peripherals

MonitorsBrowse KeyboardsBrowse MiceBrowse HeadphonesBrowse SpeakersBrowse WebcamsBrowse WiFi CardsBrowse

Smart Wizard

Get a complete build plan based on budget and goals.

Build Comparison

Compare complete builds side by side.

Part Comparison

Check specs, price, and value across parts.

Bottleneck Calculator

Measure CPU and GPU balance before you buy.

Power Calculator

Estimate wattage and PSU headroom.

Will It Run?

Test your hardware against popular games.

Completed Builds

Browse finished community setups.

Forums

Ask questions and join build discussions.

Components

CPUs GPUs Motherboards RAM Cases PSUs CPU Coolers Storage

Peripherals

Monitors Keyboards Mice Headphones Speakers Webcams WiFi Cards

Smart Wizard

Get a complete build plan based on budget and goals.

Build Comparison

Compare complete builds side by side.

Part Comparison

Check specs, price, and value across parts.

Bottleneck Calculator

Measure CPU and GPU balance before you buy.

Power Calculator

Estimate wattage and PSU headroom.

Will It Run?

Test your hardware against popular games.

Completed Builds

Browse finished community setups.

Forums

Ask questions and join build discussions.

Theme

TimeToPick

Build Smarter, Pick Better

TimeToPick helps you research parts, compare builds, compare offers, and make faster decisions across every stage of your next PC upgrade.

As an Amazon Associate I earn from qualifying purchases.

Build Tools

Builder Smart Wizard Build Compare Part Compare Bottleneck Calculator Power Calculator Will It Run?

Browse

CPUs GPUs Motherboards RAM Cases PSUs Storage Monitors

Community

Completed Builds Forums Build Guides

Account

My Builds Settings

© 2026 TimeToPick. All rights reserved.

About Contact Affiliate Disclosure Privacy Policy Terms of Service

Intel Xeon L5638 Price, Specs & Reviews | TimeToPick

Components

CPUsBrowse GPUsBrowse MotherboardsBrowse RAMBrowse CasesBrowse PSUsBrowse CPU CoolersBrowse StorageBrowse

Peripherals

MonitorsBrowse KeyboardsBrowse MiceBrowse HeadphonesBrowse SpeakersBrowse WebcamsBrowse WiFi CardsBrowse

Smart Wizard

Get a complete build plan based on budget and goals.

Build Comparison

Compare complete builds side by side.

Part Comparison

Check specs, price, and value across parts.

Bottleneck Calculator

Measure CPU and GPU balance before you buy.

Power Calculator

Estimate wattage and PSU headroom.

Will It Run?

Test your hardware against popular games.

Completed Builds

Browse finished community setups.

Forums

Ask questions and join build discussions.

Components

CPUs GPUs Motherboards RAM Cases PSUs CPU Coolers Storage

Peripherals

Monitors Keyboards Mice Headphones Speakers Webcams WiFi Cards

Smart Wizard

Get a complete build plan based on budget and goals.

Build Comparison

Compare complete builds side by side.

Part Comparison

Check specs, price, and value across parts.

Bottleneck Calculator

Measure CPU and GPU balance before you buy.

Power Calculator

Estimate wattage and PSU headroom.

Will It Run?

Test your hardware against popular games.

Completed Builds

Browse finished community setups.

Forums

Ask questions and join build discussions.

Theme

Home
CPUs
Intel Xeon L5638

Intel

Intel Xeon L5638

1366DDR36C / 12T60WWestmere-EP32nmEnd-of-life2.40 GHz Boost

Price

$0

CPU image not available yet

Full Specifications

Detailed architecture, platform, memory, and feature data for this CPU.

Total Cores6

Total Threads12

Base Clock2.00 GHz

Boost Clock2.40 GHz

BCLK / Multiplier133 MHz / 15.0xx

CodenameWestmere-EP

MicroarchitectureWestmere-EP

Process Node32nm

FoundryIntel

Die Size239.0 mm²

Transistors1.17 billion

Production StatusEnd-of-life

Market SegmentServer/Workstation

Launch DateMar 16, 2010

Instruction Sets

MMXSSESSE2SSE3SSSE3SSE4.2Intel 64HTTEISTXD-BitVT-xTXTAES-NI5.86GT/s QPI

Similar Products

Similar Products

Intel Celeron P1053

2 MB L3 Cache vs 12 MB

N/A

Similar Products

Intel Core i7-975

8 MB L3 Cache vs 12 MB

N/A

Intel Core i7-980

Intel Core i7-980

3.60 GHz Boost Clock vs 2.40 GHz

N/A

Intel Core i7-980X

Intel Core i7-980X

3.60 GHz Boost Clock vs 2.40 GHz

N/A

Intel Core i7-990X

Intel Core i7-990X

3.73 GHz Boost Clock vs 2.40 GHz

N/A

Intel Xeon E5502

Intel Xeon E5502

4 MB L3 Cache vs 12 MB

N/A

About This Product

The Intel Xeon L5638 is a 6-core, 12-thread server/workstation CPU from the Westmere-EP generation, designed for Socket 1366 platforms. With a 2.0 GHz base clock and 2.4 GHz boost, it offers moderate multi-threaded performance suitable for entry-level server tasks or older workstations. Its 60W TDP makes it a power-efficient option for its era, though modern CPUs significantly outperform it in both efficiency and raw power.

Best for: Legacy Server Upgrades

Pros

Low 60W TDP for its performance class
6 cores / 12 threads for multi-tasking
Suitable for legacy server/workstation upgrades

Cons

Outdated architecture, poor single-core performance
Limited availability, end-of-life product
Integrated graphics are basic, not for gaming

Verdict
“Best for budget-conscious upgrades of existing Socket 1366 server/workstation systems.”

Performance Benchmarks

Cross-source performance, value, and efficiency at a glance

Scores are grouped by benchmark family so it is easy to compare raw speed, threaded output, and real-world value without mixing scales.

PassMark

Large Sample Pool

PassMark

Overall

3,7076%

PassMark rank: #2,758

Compatible Motherboards (0)

See full guide →

No compatible motherboards are in our catalog yet for this socket.

Compatible RAM (3722)

See full guide →

Mushkin Blackline 16 GB

2x8GBDDR3-1600

N/A

Mushkin Blackline 16 GB

2x8GBDDR3-1866

N/A

Mushkin Blackline 16 GB

2x8GBDDR3-2400

N/A

Mushkin Blackline 16 GB

4x4GBDDR3-2400

N/A

Compatible CPU Coolers (0)

No compatible CPU coolers are in our catalog yet for this socket.

Complete the build

Build a PC with Intel Xeon L5638

Create a fully compatible build with our System Builder.

Manual Builder →Smart Wizard →

User Reviews

Be the first to share your experience

Login to Review

Rating

0.0/5

No reviews yet

Sort byLogin to Review