Intel Xeon W3520 vs Intel 2x Xeon E5520
Intel Xeon W3520
$284
Intel 2x Xeon E5520
$373
|
4 Cores
8 Threads
2.66GHz Clock
|
8 Cores
16 Threads
2.26GHz Clock
|
|
Socket
LGA 1366
|
Socket
LGA 1366
|
|
iGPU
No GPU
|
iGPU
No GPU
|
GB6 Single-Core
|
|
Xeon W3520 - GB6S 410
x1.12
2x Xeon E5520 - GB6S 365
x1
GB6 Multi-Core
|
|
Xeon W3520 - GB6M 1,415
x1
2x Xeon E5520 - GB6M 2,285
x1.61
|
|
Xeon W3520 - 25.6GB/s
x1
2x Xeon E5520 - 25.6GB/s
x1
|
|
Xeon W3520 - 130W
x1.63
2x Xeon E5520 - 80W
x1
|
GB6S 410
10%
|
GB6S 365
9%
|
|
GB6M 1,415
5%
|
GB6M 2,285
9%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
Manufacturer
Intel
|
Manufacturer
Intel
|
|
Architecture
Nehalem
|
Architecture
Nehalem
|
|
Family
Xeon
|
Family
Xeon
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
Bloomfield
-
|
Codename
Nehalem-EP
Gainestown
|
|
Market Segment
Workstation
|
Market Segment
Server
|
|
Release Date
3/30/2009
|
Release Date
3/30/2009
|
|
Foundry
Intel
|
Foundry
Intel
|
|
Node
45nm
|
Node
45nm
|
|
Die Size
263 mm²
|
Die Size
263 mm²
|
|
Transistor Count
731 Million
|
Transistor Count
731 Million
|
|
4 Cores
|
8 Cores
|
|
8 Threads
|
16 Threads
|
|
2.66GHz
2.86GHz Boost
20x Multiplier
|
2.26GHz
2.46GHz Boost
17x Multiplier
|
|
Overclocking
Locked
Voltage
0.8V Min
1.38V Max
|
Overclocking
Locked
Voltage
0.75V Min
1.35V Max
|
|
Type
QPI
|
Type
QPI
|
|
Clock
2400MHz
|
Clock
2930MHz
|
|
Data Rate
Double
|
Data Rate
Double
|
|
Transfer Rate
4.8GT/s
|
Transfer Rate
5.9GT/s
|
|
Width
16Bit
|
Width
16Bit
|
|
Bandwidth
9.6GB/s
|
Bandwidth
11.72GB/s
|
|
Bi-directional
19.2GB/s
|
Bi-directional
23.44GB/s
|
|
L0 Instruction
|
L0 Instruction
|
|
L0 Data
|
L0 Data
|
|
L1 Instruction
32KB/Core
4-way set associative
|
L1 Instruction
32KB/Core
4-way set associative
|
|
L1 Data
32KB/Core
8-way set associative
|
L1 Data
32KB/Core
8-way set associative
|
|
L2
256KB/Core
8-way set associative
|
L2
256KB/Core
8-way set associative
|
|
L3
8MB Shared
16-way set associative
|
L3
8MB Shared
16-way set associative
|
|
Channels
3
|
Channels
3
|
|
Max Memory
24GB
|
Max Memory
144GB
|
|
ECC
Supported
|
ECC
Supported
|
|
Bus Width/Channel
64Bit
Bus Width
192Bit
|
Bus Width/Channel
64Bit
Bus Width
192Bit
|
|
Clock
533MHz
Transfer Rate
1066MT/s
|
Clock
533MHz
Transfer Rate
1066MT/s
|
|
Bandwidth/Channel
8.5GB/s
Bandwidth
25.6GB/s
|
Bandwidth/Channel
8.5GB/s
Bandwidth
25.6GB/s
|
|
TDP
130W
|
TDP
80W
|
|
Temp
68°C TCase
|
Temp
72°C TCase
|
|
Included Cooler
|
Included Cooler
|
|
No PCIe
|
No PCIe
|
|
No GPU
|
No GPU
|
|
No NPU
|
No NPU
|
|
No Cellular
|
No Cellular
|
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