CPUs

Intel Xeon E5-4620 vs Intel Xeon E7-4820 v3 Full Specs

8 Cores
16 Threads
2.2GHz
10 Cores
20 Threads
1.9GHz
TDP
95W
TDP
115W
Bandwidth
42.7GB/s
DDR3
Bandwidth
59.7GB/s
·
Socket
Socket

8 Cores
10 Cores
16 Threads
20 Threads

Base Clock
2.2GHz
Base Clock
1.9GHz
Boost Clock
-
Boost Clock
1.9GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
256KB
L2
256KB
L3
16MB
L3
25MB

Type
DDR3
Type
·
Max Memory
384GB
Max Memory
1.54TB
ECC
Yes
ECC
Yes
Channels
4
Channels
4
Bus Width
256-bit
Bus Width
256-bit
Speed
1333MT/s
Speed
1866MT/s
Bandwidth
42.7GB/s
Bandwidth
59.7GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
42.7GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
59.7GB/s

TDP
95W
TDP
115W

Bus Type
QPI
Bus Type
QPI
Bus Config
16-bit
Bus Config
16-bit
Bus Speed
7.2GT/s
Bus Speed
6.4GT/s
Bus Bandwidth
14.4GB/s
Bus Bandwidth
12.8GB/s

PCIe
PCIe 3.0 x40
39.4GB/sBandwidth
PCIe
PCIe 3.0 x32
31.5GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Xeon 2011 branding
Branding
Xeon 2015 branding
Codename
Sandy Bridge-E
Sandy Bridge-EP-8Die
Sandy Bridge-EP-8CVariant
Codename
Haswell-EP
-
Haswell-E-HCCVariant
Market Segment
Server
Market Segment
Server
Release Date
May 14, 2012
Release Date
May 6, 2015

Foundry
Intel
Foundry
Intel
Fabrication Node
32nm
Fabrication Node
22nm
Die Size
435mm²
Die Size
662mm²
Transistor Count
2.3 Billion
Transistor Count
5.7 Billion
Transistor Density
5 MTr/mm²
Transistor Density
9 MTr/mm²