CPUs

Intel Xeon E5-1660 v3 vs Intel Xeon E5-1691 v3 Full Specs

8 Cores
16 Threads
3GHz
14 Cores
28 Threads
2.5GHz
TDP
140W
TDP
135W
Bandwidth
68.3GB/s
DDR4
Bandwidth
68.3GB/s
DDR4
Socket
Socket

Xeon E5-1660 v3Xeon E5-1660 v31,352
x1.06
Xeon E5-1691 v3Xeon E5-1691 v31,270
x1

8 Cores
14 Cores
16 Threads
28 Threads

Base Clock
3GHz
Base Clock
2.5GHz
Boost Clock
3.5GHz
Boost Clock
3.4GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
256KB
L2
256KB
L3
20MB
L3
35MB

Type
DDR4
Type
DDR4
Max Memory
768GB
Max Memory
768GB
ECC
Yes
ECC
Yes
Channels
4
Channels
4
Bus Width
256-bit
Bus Width
256-bit
Speed
2133MT/s
Speed
2133MT/s
Bandwidth
68.3GB/s
Bandwidth
68.3GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
68.3GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
68.3GB/s

TDP
140W
TDP
135W

Bus Type
DMI
Bus Type
DMI
Bus Config
4 lanes
Bus Config
4 lanes
Bus Speed
5GT/s
Bus Speed
5GT/s
Bus Bandwidth
2.5GB/s
Bus Bandwidth
2.5GB/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 2013 branding
Branding
Xeon 2013 branding
Codename
Haswell-E
Haswell-E-LCCVariant
Codename
Haswell-EP
Haswell-E-HCCVariant
Market Segment
Server
Market Segment
Server
Release Date
Sep 8, 2014
Release Date
Sep 8, 2014

Foundry
Intel
Foundry
Intel
Fabrication Node
22nm
Fabrication Node
22nm
Die Size
354mm²
Die Size
662mm²
Transistor Count
2.6 Billion
Transistor Count
5.7 Billion
Transistor Density
7 MTr/mm²
Transistor Density
9 MTr/mm²

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