Xeon E5420 vs AMD EPYC 9555
We compared two server CPUs: Xeon E5420 with 4 cores 2.5GHz and AMD EPYC 9555 with 64 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Xeon E5420 's Advantages
Lower TDP (80W vs 360W)
AMD EPYC 9555 's Advantages
Released 16 years and 11 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (3.2GHz vs 2.5GHz)
More modern manufacturing process (4nm vs 45nm)
Score
Benchmark
Geekbench 6 Single Core
Xeon E5420
365
AMD EPYC 9555
+682%
2857
Geekbench 6 Multi Core
Xeon E5420
1054
AMD EPYC 9555
+1818%
20219
General Parameters
Nov 2007
Release Date
Oct 2024
Intel
Manufacturer
AMD
Server
Type
Server
Harpertown
Core Architecture
Turin
Intel Socket 771
Socket
AMD Socket SP5
N/A
Integrated Graphics
N/A
Xeon (Harpertown)
Generation
EPYC(Zen 5 (Turin))
Package
0.82 billions
Transistor Count
66.52 billions
45 nm
Manufacturing Process
4 nm
80 W
Power Consumption
360 W
Intel
Foundry
TSMC
2x107 mm²
Die Size
8x70.6 mm²
-
I/O Process Size
6 nm
-
I/O Die Size
mm²
CPU Performance
-
Performance Cores
64
-
Performance Core Threads
128
2.5 GHz
Performance Core Base Frequency
3.2 GHz
0
Performance Core Turbo Frequency
4.4 GHz
4
Total Core Count
64
4
Total Thread Count
128
333 MHz
Bus Frequency
100 MHz
7.5
Multiplier
32.0
64 KB per core
L1 Cache
80 KB per core
6 MB per die
L2 Cache
1 MB per core
-
L3 Cache
256 MB shared
No
Unlocked Multiplier
No
2
SMP
2
Memory Parameters
DDR2, DDR3
Depends on motherboard
Memory Types
DDR5-6000
-
Max Memory Size
6 TB
2
Max Memory Channels
12
-
Max Memory Bandwidth
576 GB/s
Yes
ECC Memory Support
Yes
