AMD EPYC 7251 vs Intel Xeon E5 4655 v3
We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz and Intel Xeon E5 4655 v3 with 6 cores 2.9GHz . 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 2 years late
Higher specification of memory (2400 vs 2133)
Larger L3 cache size (32MB vs 30MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (120W vs 135W)
Intel Xeon E5 4655 v3 's Advantages
Higher base frequency (2.9GHz vs 2.1GHz)
Score
Benchmark
Geekbench 5 Single Core
AMD EPYC 7251
537
Intel Xeon E5 4655 v3
+31%
708
Geekbench 5 Multi Core
AMD EPYC 7251
540
Intel Xeon E5 4655 v3
+550%
3514
General Parameters
Jun 2017
Release Date
Jun 2015
AMD
Manufacturer
Intel
Server
Type
Server
Naples
Core Architecture
Haswell-EP
AMD Socket SP3
Socket
Intel Socket 2011-3
N/A
Integrated Graphics
N/A
EPYC (Zen (Naples))
Generation
Xeon E5 (Haswell-EP)
Package
4.8 billions
Transistor Count
2.6 billions
14 nm
Manufacturing Process
22 nm
120 W
Power Consumption
135 W
81 °C
Peak Operating Temperature
84 °C
GlobalFoundries
Foundry
Intel
213 mm²
Die Size
356 mm²
CPU Performance
2.1 GHz
Performance Core Base Frequency
2.9 GHz
2.9 GHz
Performance Core Turbo Frequency
3.2 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
21.0
Multiplier
29.0
96 K per core
L1 Cache
64 K per core
512 K per core
L2 Cache
256 K per core
32 MB shared
L3 Cache
30 MB shared
Yes
Unlocked Multiplier
No
2
SMP
4
Memory Parameters
DDR4-2400
Memory Types
DDR4-2133
8
Max Memory Channels
4
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
3
-
PCIe Lanes
40
