Xeon E5420 vs AMD EPYC Embedded 3255
We compared two server CPUs: Xeon E5420 with 4 cores 2.5GHz and AMD EPYC Embedded 3255 with 8 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC Embedded 3255 's Advantages
Released 10 years and 3 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (55W vs 80W)
Score
General Parameters
Nov 2007
Release Date
Feb 2018
Intel
Manufacturer
AMD
Server
Type
Server
Harpertown
Core Architecture
Zen
Intel Socket 771
Socket
AMD BGA SP4r2
N/A
Integrated Graphics
N/A
Xeon (Harpertown)
Generation
EPYC Embedded (Zen (Snowy Owl))
Package
0.82 billions
Transistor Count
4.8 billions
45 nm
Manufacturing Process
14 nm
80 W
Power Consumption
55 W
Intel
Foundry
GlobalFoundries
2x107 mm²
Die Size
213 mm²
CPU Performance
2.5 GHz
Performance Core Base Frequency
2.5 GHz
0
Performance Core Turbo Frequency
3.1 GHz
4
Total Core Count
8
4
Total Thread Count
16
333 MHz
Bus Frequency
100 MHz
7.5
Multiplier
25.0
64 KB per core
L1 Cache
96 K per core
6 MB per die
L2 Cache
512 K per core
-
L3 Cache
16 MB shared
No
Unlocked Multiplier
No
2
SMP
1
Memory Parameters
DDR2, DDR3
Depends on motherboard
Memory Types
DDR4-2666
2
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
2
PCIe Version
3
-
PCIe Lanes
32
