CPUs

Intel Xeon E5649 vs Intel Xeon L5645 Full Specs

6 Cores
12 Threads
2.53GHz
6 Cores
12 Threads
2.4GHz
TDP
80W
TDP
60W
Bandwidth
32GB/s
DDR3
Bandwidth
32GB/s
DDR3
iGPU
0
iGPU
0
Socket
Socket

Xeon E5649Xeon E5649420
x1
Xeon L5645Xeon L5645420
x1

6 Cores
6 Cores
12 Threads
12 Threads

Base Clock
2.53GHz
Base Clock
2.4GHz
Boost Clock
2.83GHz
Boost Clock
2.8GHz
Overclocking
Locked
Overclocking
Locked

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

Type
DDR3
Type
DDR3
Max Memory
288GB
Max Memory
288GB
ECC
Yes
ECC
Yes
Channels
3
Channels
3
Bus Width
192-bit
Bus Width
192-bit
Speed
1333MT/s
Speed
1333MT/s
Bandwidth
32GB/s
Bandwidth
32GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
32GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
32GB/s

TDP
80W
TDP
60W
T-Case
76.2°C Max
T-Case
-
Voltage Range
-
Voltage Range
-

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

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Xeon 2010 branding
Branding
Xeon 2010 branding
Codename
Westmere-EP
Codename
Westmere-EP
Market Segment
Server
Market Segment
Server
Release Date
Feb 14, 2011
Release Date
Feb 14, 2011

Foundry
Intel
Foundry
Intel
Fabrication Node
32nm
Fabrication Node
32nm
Die Size
240mm²
Die Size
240mm²
Transistor Count
1.2 Billion
Transistor Count
1.2 Billion
Transistor Density
5 MTr/mm²
Transistor Density
5 MTr/mm²

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