CPUs

Intel Xeon E5-1660 vs Intel Xeon E5-2648L Full Specs

6 Cores
12 Threads
3.3GHz
8 Cores
16 Threads
1.8GHz
TDP
130W
TDP
70W
Bandwidth
51.2GB/s
DDR3
Bandwidth
51.2GB/s
DDR3
iGPU
0
iGPU
0
Socket
Socket

Xeon E5-1660Xeon E5-1660601
x1
Xeon E5-2648LXeon E5-2648L703
x1.17

6 Cores
8 Cores
12 Threads
16 Threads

Base Clock
3.3GHz
Base Clock
1.8GHz
Boost Clock
3.9GHz
Boost Clock
2.1GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
256KB
L2
256KB
L3
15MB
L3
20MB

Type
DDR3
Type
DDR3
Max Memory
384GB
Max Memory
384GB
ECC
Yes
ECC
Yes
Channels
4
Channels
4
Bus Width
256-bit
Bus Width
256-bit
Speed
1600MT/s
Speed
1600MT/s
Bandwidth
51.2GB/s
Bandwidth
51.2GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
51.2GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
51.2GB/s

TDP
130W
TDP
70W

Bus Type
DMI
Bus Type
QPI
Bus Config
4 lanes
Bus Config
16-bit
Bus Speed
5GT/s
Bus Speed
8GT/s
Bus Bandwidth
2.5GB/s
Bus Bandwidth
16GB/s

PCIe
PCIe 3.0 x40
39.4GB/sBandwidth
PCIe
PCIe 3.0 x40
39.4GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Xeon 2011 branding
Branding
Xeon 2011 branding
Codename
Sandy Bridge-E
Sandy Bridge-EP-8Die
Sandy Bridge-EP-8CVariant
Codename
Sandy Bridge-E
Sandy Bridge-EP-8Die
Sandy Bridge-EP-8CVariant
Market Segment
Server
Market Segment
Server
Release Date
Mar 6, 2012
Release Date
Mar 6, 2012

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

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