Intel Xeon E5462 vs Intel Xeon W3520

Intel Xeon E5462 $797
Intel Xeon W3520 $284
4 Cores
4 Threads
2.8GHz Clock
4 Cores
8 Threads
2.66GHz Clock
Socket
LGA 771
Socket
LGA 1366
iGPU
No GPU
- -
iGPU
No GPU
- -
GB6S 325
8%
GB6S 410
10%
GB6M 915
3%
CB23S N/A
0%
CB23S N/A
0%
CB23M N/A
0%
CB23M N/A
0%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Penryn
Architecture
Nehalem
Family
Xeon
Family
Xeon
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Harpertown
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Codename
Bloomfield
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-
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Market Segment
Server
Market Segment
Workstation
Release Date
11/11/2007
Release Date
3/30/2009
Foundry
Intel
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Foundry
Intel
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Node
45nm
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Node
45nm
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Die Size
2x 107 mm²
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Die Size
263 mm²
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Transistor Count
2x 410 Million
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Transistor Count
731 Million
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4 Cores
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4 Cores
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4 Threads
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8 Threads
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2.8GHz
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7x Multiplier
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2.66GHz
2.86GHz Boost
20x Multiplier
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Overclocking
Locked
Voltage
0.85V Min
1.35V Max
Overclocking
Locked
Voltage
0.8V Min
1.38V Max
Type
FSB
Type
QPI
Clock
400MHz
Clock
2400MHz
Data Rate
Quad
Data Rate
Double
Transfer Rate
1.6GT/s
Transfer Rate
4.8GT/s
Width
64Bit
Width
16Bit
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Bandwidth
12.8GB/s
Bandwidth
9.6GB/s
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Bi-directional
19.2GB/s
L0 Instruction
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L0 Instruction
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L0 Data
-
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L0 Data
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L1 Instruction
32KB/Core
8-way set associative
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L1 Instruction
32KB/Core
4-way set associative
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L1 Data
32KB/Core
8-way set associative
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L1 Data
32KB/Core
8-way set associative
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L2
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12MB Shared
16-way set associative
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-
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L2
256KB/Core
8-way set associative
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L3
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8MB Shared
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16-way set associative
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No Memory Controller
Channels
3
Max Memory
24GB
ECC
Supported
Bus Width/Channel
64Bit
Bus Width
192Bit
Clock
533MHz
Transfer Rate
1066MT/s
Bandwidth/Channel
8.5GB/s
Bandwidth
25.6GB/s
TDP
80W
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TDP
130W
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Temp
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67°C TCase
Temp
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68°C TCase
Included Cooler
Not Included
Included Cooler
Not Included
No PCIe
No PCIe
No GPU
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- -
No GPU
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- -
No NPU
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No NPU
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No Cellular
No Cellular
Change Comparison