AMD EPYC Embedded 3451 vs Xeon E5420
We compared two server CPUs: AMD EPYC Embedded 3451 with 16 cores 2.15GHz and Xeon E5420 with 4 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 3451 '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)
Xeon E5420 's Advantages
Higher base frequency (2.5GHz vs 2.15GHz)
Lower TDP (80W vs 100W)
Score
General Parameters
Feb 2018
Release Date
Nov 2007
AMD
Manufacturer
Intel
Server
Type
Server
Zen
Core Architecture
Harpertown
AMD BGA SP4r2
Socket
Intel Socket 771
N/A
Integrated Graphics
N/A
EPYC Embedded (Zen (Snowy Owl))
Generation
Xeon (Harpertown)
Package
4.8 billions
Transistor Count
0.82 billions
14 nm
Manufacturing Process
45 nm
100 W
Power Consumption
80 W
GlobalFoundries
Foundry
Intel
2x213 mm²
Die Size
2x107 mm²
CPU Performance
2.15 GHz
Performance Core Base Frequency
2.5 GHz
3 GHz
Performance Core Turbo Frequency
0
16
Total Core Count
4
32
Total Thread Count
4
100 MHz
Bus Frequency
333 MHz
21.5
Multiplier
7.5
96 K per core
L1 Cache
64 KB per core
512 K per core
L2 Cache
6 MB per die
32 MB shared
L3 Cache
-
No
Unlocked Multiplier
No
1
SMP
2
Memory Parameters
DDR4-2666
Memory Types
DDR2, DDR3
Depends on motherboard
2
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
2
64
PCIe Lanes
-
