CPUs

AMD EPYC 72F3 vs Intel Xeon E7-8891 v2 Full Specs

8 Cores
16 Threads
3.7GHz
10 Cores
20 Threads
3.2GHz
TDP
180W
TDP
155W
Bandwidth
204.8GB/s
DDR4
Bandwidth
51.2GB/s
DDR3
Socket
Socket

8 Cores
10 Cores
16 Threads
20 Threads

Base Clock
3.7GHz
Base Clock
3.2GHz
Boost Clock
4.1GHz
Boost Clock
3.7GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
512KB
L2
256KB
L3
256MB
L3
37.5MB

Type
DDR4
Type
DDR3
Max Memory
4.1TB
Max Memory
1.54TB
ECC
Yes
ECC
Yes
Channels
8
Channels
4
Bus Width
512-bit
Bus Width
256-bit
Speed
3200MT/s
Speed
1600MT/s
Bandwidth
204.8GB/s
Bandwidth
51.2GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
204.8GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
51.2GB/s

TDP
180W
TDP
155W
T-Case
-
T-Case
77°C Max

Bus Type
PCIe
Bus Type
QPI
Bus Config
8 lanes
Bus Config
16-bit
Bus Speed
16GT/s
Bus Speed
8GT/s
Bus Bandwidth
16GB/s
Bus Bandwidth
16GB/s

PCIe
PCIe 4.0 x128
252GB/sBandwidth
PCIe
PCIe 3.0 x32
31.5GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
EPYC 2017 branding
Branding
Xeon 2013 branding
Codename
Milan
BreckenridgeDie
Milan 8CCDVariant
Codename
Ivy Bridge-EP
-
Ivy Bridge-EXVariant
Market Segment
Server
Market Segment
Server
Release Date
Mar 15, 2021
Release Date
Feb 18, 2014

Foundry
TSMC
Foundry
Intel
Other Foundries
GlobalFoundriesIO
Other Foundries
-
Fabrication Node
N7
12LPIO
Fabrication Node
22nm
-
Die Size
646mm²
416mm²IO
Die Size
541mm²
-
Transistor Count
33.2 Billion
8.3 BillionIO
Transistor Count
4.3 Billion
-
Transistor Density
51 MTr/mm²
20 MTr/mm²IO
Transistor Density
8 MTr/mm²
-