AMD EPYC 7251 vs Xeon E5462
We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz and Xeon E5462 with 4 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 7251 's Advantages
Released 9 years and 7 months late
Higher specification of memory (2400 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 45nm)
Xeon E5462 's Advantages
Higher base frequency (2.8GHz vs 2.1GHz)
Lower TDP (80W vs 120W)
Score
Benchmark
Geekbench 6 Single Core
AMD EPYC 7251
+121%
781
Xeon E5462
353
Geekbench 6 Multi Core
AMD EPYC 7251
+270%
3651
Xeon E5462
985
General Parameters
Jun 2017
Release Date
Nov 2007
AMD
Manufacturer
Intel
Server
Type
Server
Naples
Core Architecture
Harpertown
AMD Socket SP3
Socket
Intel Socket 771
N/A
Integrated Graphics
N/A
EPYC (Zen (Naples))
Generation
Xeon (Harpertown)
Package
4.8 billions
Transistor Count
0.82 billions
14 nm
Manufacturing Process
45 nm
120 W
Power Consumption
80 W
81 °C
Peak Operating Temperature
-
GlobalFoundries
Foundry
Intel
213 mm²
Die Size
2x107 mm²
CPU Performance
2.1 GHz
Performance Core Base Frequency
2.8 GHz
2.9 GHz
Performance Core Turbo Frequency
0
8
Total Core Count
4
16
Total Thread Count
4
100 MHz
Bus Frequency
400 MHz
21.0
Multiplier
7.0
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
-
Yes
Unlocked Multiplier
No
2
SMP
2
Memory Parameters
DDR4-2400
Memory Types
DDR2, DDR3
Depends on motherboard
8
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
2
