Intel Xeon E5-2665 vs Intel Xeon E7-8837 Full Specs

Summary

8 Cores 16 Threads 2.4GHz	8 Cores 16 Threads 2.66GHz
TDP 115W	TDP 130W
Bandwidth 51.2GB/s DDR3	Bandwidth 42.7GB/s DDR3
Socket LGA 2011	Socket LGA 1567

Core Config

8 Cores	8 Cores
16 Threads	16 Threads

Clocks

Base Clock 2.4GHz	Base Clock 2.66GHz
Boost Clock 3.1GHz	Boost Clock 2.76GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 32KB	L1i 32KB
L1d 32KB	L1d 32KB
L2 256KB	L2 256KB
L3 20MB	L3 24MB

Memory

Type DDR3	Type DDR3
Max Memory 384GB	Max Memory 4.1TB
ECC Yes	ECC Yes
Channels 4	Channels 4
Bus Width 256-bit	Bus Width 256-bit
Speed 1600MT/s	Speed 1333MT/s
Bandwidth 51.2GB/s	Bandwidth 42.7GB/s
Bandwidth Calculator Channels Transfer Rate1600MT/s UC·Spec·OC 51.2GB/s	Bandwidth Calculator Channels Transfer Rate1333MT/s UC·Spec·OC 42.7GB/s

Power & Thermals

TDP 115W	TDP 130W
T-Case -	T-Case 69°C Max
Voltage Range -	Voltage Range -

Chipset Bus

Bus Type QPI	Bus Type QPI
Bus Config 16-bit	Bus Config 16-bit
Bus Speed 8GT/s	Bus Speed 6.4GT/s
Bus Bandwidth 16GB/s	Bus Bandwidth 12.8GB/s

Expansion

PCIe PCIe 3.0 x40 39.4GB/sBandwidth

-

Chip

Manufacturer Intel	Manufacturer Intel
ISA x86-64	ISA x86-64
Architecture Sandy Bridge	Architecture Westmere
Family Xeon v1	Family Xeon v1
Branding	Branding
Codename Sandy Bridge-E Sandy Bridge-EP-8Die Sandy Bridge-EP-8CVariant	Codename Westmere-EX - -
Market Segment Server	Market Segment Server
Release Date Mar 6, 2012	Release Date Apr 3, 2011

Fabrication

Foundry Intel	Foundry Intel
Fabrication Node 32nm	Fabrication Node 32nm
Die Size 435mm²	Die Size 513mm²
Transistor Count 2.3 Billion	Transistor Count 2.6 Billion
Transistor Density 5 MTr/mm²	Transistor Density 5 MTr/mm²

Images

Competitors

IntelXeon E5-2665 vs CPU IntelXeon E5-2650 IntelXeon E5-2665 vs CPU IntelXeon E5-2660 IntelXeon E5-2665 vs CPU IntelXeon E5-2670 Show 12 more

IntelXeon E7-8837 vs CPU IntelXeon E5-2660 IntelXeon E7-8837 vs IntelXeon E5-2665 IntelXeon E7-8837 vs CPU IntelXeon E5-2670 Show 12 more