Intel Xeon E5520 vs Intel Xeon L5639 Full Specs

Summary

4 Cores 8 Threads 2.26GHz	6 Cores 12 Threads 2.13GHz
TDP 80W	TDP 60W
Bandwidth 25.6GB/s DDR3	Bandwidth 32GB/s DDR3
Socket LGA 1366	Socket LGA 1366

Core Config

4 Cores	6 Cores
8 Threads	12 Threads

Clocks

Base Clock 2.26GHz	Base Clock 2.13GHz
Boost Clock 2.46GHz	Boost Clock 2.53GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 32KB	L1i 32KB
L1d 32KB	L1d 32KB
L2 256KB	L2 256KB
L3 8MB	L3 12MB

Memory

Type DDR3	Type DDR3
Max Memory 144GB	Max Memory 288GB
ECC Yes	ECC Yes
Channels 3	Channels 3
Bus Width 192-bit	Bus Width 192-bit
Speed 1066MT/s	Speed 1333MT/s
Bandwidth 25.6GB/s	Bandwidth 32GB/s
Bandwidth Calculator Channels Transfer Rate1066MT/s UC·Spec·OC 25.6GB/s	Bandwidth Calculator Channels Transfer Rate1333MT/s UC·Spec·OC 32GB/s

Power & Thermals

TDP 80W	TDP 60W
T-Case 72°C Max	T-Case -
Voltage Range -	Voltage Range -

Chipset Bus

Bus Type QPI	Bus Type QPI
Bus Config 16-bit	Bus Config 16-bit
Bus Speed 5.86GT/s	Bus Speed 5.86GT/s
Bus Bandwidth 11.7GB/s	Bus Bandwidth 11.7GB/s

Chip

Manufacturer Intel	Manufacturer Intel
ISA x86-64	ISA x86-64
Architecture Nehalem	Architecture Westmere
Family Xeon	Family Xeon
Branding	Branding
Codename Nehalem-EP GainestownP-Core	Codename Westmere-EP -
Market Segment Server	Market Segment Server
Release Date Mar 30, 2009	Release Date Feb 14, 2011

Fabrication

Foundry Intel	Foundry Intel
Fabrication Node 45nm	Fabrication Node 32nm
Die Size 263mm²	Die Size 240mm²
Transistor Count 731 Million	Transistor Count 1.2 Billion
Transistor Density 3 MTr/mm²	Transistor Density 5 MTr/mm²

Images

Used In

Desktops Mac Pro(Dual-Socket, Early 2009)

Desktops -

Competitors

IntelXeon E5520 vs CPU IntelXeon E5620 IntelXeon E5520 vs CPU IntelXeon E5630 IntelXeon E5520 vs CPU IntelXeon L5630 Show 12 more

IntelXeon L5639 vs CPU IntelXeon LC5528 IntelXeon L5639 vs CPU IntelXeon L5530 IntelXeon L5639 vs IntelXeon E5520 Show 12 more