Intel Xeon Phi 31S1P vs AMD EPYC 7643P
We compared two server CPUs: Intel Xeon Phi 31S1P with 57 cores 1.1GHz and AMD EPYC 7643P with 48 cores 2.3GHz . 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 10 years and 3 months late
Higher specification of memory (3200 vs 4)
Higher base frequency (2.3GHz vs 1.1GHz)
More modern manufacturing process (7nm vs 22nm)
Lower TDP (225W vs 270W)
Score
General Parameters
Jun 2013
Release Date
Sep 2023
PCIe
Manufacturer
AMD
Server
Type
Server
Knights Corner
Core Architecture
Milan
PCIe x16
Socket
AMD Socket SP3
N/A
Integrated Graphics
N/A
Xeon Phi (Knights Corner)
Generation
EPYC (Zen 3 (Milan))
Package
5 billions
Transistor Count
33.2 billions
22 nm
Manufacturing Process
7 nm
270 W
Power Consumption
225 W
Intel
Foundry
TSMC
350 mm²
Die Size
8x81 mm²
-
I/O Process Size
12 nm
-
I/O Die Size
416 mm²
CPU Performance
1.1 GHz
Performance Core Base Frequency
2.3 GHz
0
Performance Core Turbo Frequency
3.6 GHz
57
Total Core Count
48
228
Total Thread Count
96
100 MHz
Bus Frequency
100 MHz
11.0
Multiplier
23.0
32 K per core
L1 Cache
64 KB per core
512 K per core
L2 Cache
512 KB per core
-
L3 Cache
256 MB shared
No
Unlocked Multiplier
No
-
Cores per CCD
8
1
SMP
1
Memory Parameters
DDR3,DDR4
Memory Types
DDR4-3200
Max Memory Channels
8
Yes
ECC Memory Support
Yes
Miscellaneous
-
PCIe Version
4
-
PCIe Lanes
128
