Intel Xeon Phi 31S1P vs Xeon 6556P B
We compared two server CPUs: Intel Xeon Phi 31S1P with 57 cores 1.1GHz and Xeon 6556P B with 36 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Xeon 6556P B 's Advantages
Released 11 years and 8 months late
Higher specification of memory (6400 vs 4)
Higher base frequency (2.3GHz vs 1.1GHz)
More modern manufacturing process (5nm vs 22nm)
Lower TDP (215W vs 270W)
Score
General Parameters
Jun 2013
Release Date
Feb 2025
PCIe
Manufacturer
Intel
Server
Type
Server
Knights Corner
Core Architecture
Granite Rapids
PCIe x16
Socket
Intel BGA 4368
N/A
Integrated Graphics
N/A
Xeon Phi (Knights Corner)
Generation
Xeon 6 (Granite Rapids-D)
Package
5 billions
Transistor Count
-
22 nm
Manufacturing Process
5 nm
270 W
Power Consumption
215 W
Intel
Foundry
Intel
350 mm²
Die Size
598 mm²
-
I/O Process Size
10 nm
CPU Performance
1.1 GHz
Performance Core Base Frequency
2.3 GHz
0
Performance Core Turbo Frequency
3.5 GHz
57
Total Core Count
36
228
Total Thread Count
72
100 MHz
Bus Frequency
100 MHz
11.0
Multiplier
23.0
32 K per core
L1 Cache
112 KB per core
512 K per core
L2 Cache
2 MB per core
-
L3 Cache
144 MB shared
No
Unlocked Multiplier
No
1
SMP
2
-
AVX-512 FMA Ports
2
Memory Parameters
DDR3,DDR4
Memory Types
DDR5-6400
-
Max Memory Size
1.13 TB
Max Memory Channels
4
Yes
ECC Memory Support
Yes
Miscellaneous
-
PCIe Version
5
-
PCIe Lanes
32
