Intel Xeon Phi 7235 vs AMD EPYC 7251
We compared two server CPUs: Intel Xeon Phi 7235 with 64 cores 1.3GHz and AMD EPYC 7251 with 8 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon Phi 7235 's Advantages
Released 6 months late
AMD EPYC 7251 's Advantages
Higher specification of memory (2400 vs 4)
Higher base frequency (2.1GHz vs 1.3GHz)
Lower TDP (120W vs 250W)
Score
General Parameters
Dec 2017
Release Date
Jun 2017
Intel
Manufacturer
AMD
Server
Type
Server
Knights Mill
Core Architecture
Naples
Intel Socket 3647
Socket
AMD Socket SP3
N/A
Integrated Graphics
N/A
Xeon Phi (Knights Mill)
Generation
EPYC (Zen (Naples))
Package
8 billions
Transistor Count
4.8 billions
14 nm
Manufacturing Process
14 nm
250 W
Power Consumption
120 W
-
Peak Operating Temperature
81 °C
Intel
Foundry
GlobalFoundries
-
Die Size
213 mm²
CPU Performance
1.3 GHz
Performance Core Base Frequency
2.1 GHz
1.4 GHz
Performance Core Turbo Frequency
2.9 GHz
64
Total Core Count
8
256
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
13.0
Multiplier
21.0
32 K per core
L1 Cache
96 K per core
512 K per core
L2 Cache
512 K per core
-
L3 Cache
32 MB shared
No
Unlocked Multiplier
Yes
1
SMP
2
Memory Parameters
DDR4
Memory Types
DDR4-2400
Max Memory Channels
8
Yes
ECC Memory Support
Yes
Miscellaneous
-
PCIe Version
3
