Intel Xeon Phi 7120D vs AMD EPYC Embedded 3255
We compared two server CPUs: Intel Xeon Phi 7120D with 61 cores 1.238GHz and AMD EPYC Embedded 3255 with 8 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 3255 's Advantages
Released 3 years and 11 months late
Higher specification of memory (2666 vs 4)
Higher base frequency (2.5GHz vs 1.238GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (55W vs 270W)
Score
General Parameters
Mar 2014
Release Date
Feb 2018
SFF
Manufacturer
AMD
Server
Type
Server
Knights Corner
Core Architecture
Zen
SFF 230-Pin
Socket
AMD BGA SP4r2
N/A
Integrated Graphics
N/A
Xeon Phi (Knights Corner)
Generation
EPYC Embedded (Zen (Snowy Owl))
Package
5 billions
Transistor Count
4.8 billions
22 nm
Manufacturing Process
14 nm
270 W
Power Consumption
55 W
Intel
Foundry
GlobalFoundries
350 mm²
Die Size
213 mm²
CPU Performance
1.238 GHz
Performance Core Base Frequency
2.5 GHz
1.333 GHz
Performance Core Turbo Frequency
3.1 GHz
61
Total Core Count
8
244
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
12.0
Multiplier
25.0
32 K per core
L1 Cache
96 K per core
512 K per core
L2 Cache
512 K per core
-
L3 Cache
16 MB shared
No
Unlocked Multiplier
No
1
SMP
1
Memory Parameters
DDR3,DDR4
Memory Types
DDR4-2666
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
-
PCIe Version
3
-
PCIe Lanes
32
