AMD EPYC 7643P vs Intel Xeon Phi 7285
We compared two server CPUs: AMD EPYC 7643P with 48 cores 2.3GHz and Intel Xeon Phi 7285 with 68 cores 1.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 7643P 's Advantages
Released 5 years and 9 months late
Higher specification of memory (3200 vs 4)
Higher base frequency (2.3GHz vs 1.3GHz)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (225W vs 250W)
Score
General Parameters
Sep 2023
Release Date
Dec 2017
AMD
Manufacturer
Intel
Server
Type
Server
Milan
Core Architecture
Knights Mill
AMD Socket SP3
Socket
Intel Socket 3647
N/A
Integrated Graphics
N/A
EPYC (Zen 3 (Milan))
Generation
Xeon Phi (Knights Mill)
Package
33.2 billions
Transistor Count
8 billions
7 nm
Manufacturing Process
14 nm
225 W
Power Consumption
250 W
TSMC
Foundry
Intel
8x81 mm²
Die Size
-
12 nm
I/O Process Size
-
416 mm²
I/O Die Size
-
CPU Performance
2.3 GHz
Performance Core Base Frequency
1.3 GHz
3.6 GHz
Performance Core Turbo Frequency
1.4 GHz
48
Total Core Count
68
96
Total Thread Count
272
100 MHz
Bus Frequency
100 MHz
23.0
Multiplier
13.0
64 KB per core
L1 Cache
32 K per core
512 KB per core
L2 Cache
512 K per core
256 MB shared
L3 Cache
-
No
Unlocked Multiplier
No
8
Cores per CCD
-
1
SMP
1
Memory Parameters
DDR4-3200
Memory Types
DDR4
8
Max Memory Channels
Yes
ECC Memory Support
Yes
Miscellaneous
4
PCIe Version
-
128
PCIe Lanes
-
