Intel Xeon D 1520 vs Xeon 6556P B
We compared two server CPUs: Intel Xeon D 1520 with 4 cores 2.2GHz 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
Intel Xeon D 1520 's Advantages
Lower TDP (45W vs 215W)
Xeon 6556P B 's Advantages
Released 9 years and 11 months late
Higher specification of memory (6400 vs 4)
Newer PCIe version (5 vs 3)
Higher base frequency (2.3GHz vs 2.2GHz)
Larger L3 cache size (144MB vs 1.5MB)
More modern manufacturing process (5nm vs 14nm)
Score
General Parameters
Mar 2015
Release Date
Feb 2025
Intel
Manufacturer
Intel
Server
Type
Server
Broadwell
Core Architecture
Granite Rapids
Intel BGA 1667
Socket
Intel BGA 4368
N/A
Integrated Graphics
N/A
Xeon D (Broadwell-DE)
Generation
Xeon 6 (Granite Rapids-D)
Package
3.2 billions
Transistor Count
-
14 nm
Manufacturing Process
5 nm
45 W
Power Consumption
215 W
80 °C
Peak Operating Temperature
-
Intel
Foundry
Intel
246 mm²
Die Size
598 mm²
-
I/O Process Size
10 nm
CPU Performance
2.2 GHz
Performance Core Base Frequency
2.3 GHz
2.6 GHz
Performance Core Turbo Frequency
3.5 GHz
4
Total Core Count
36
8
Total Thread Count
72
100 MHz
Bus Frequency
100 MHz
22.0
Multiplier
23.0
64 K per core
L1 Cache
112 KB per core
256 K per core
L2 Cache
2 MB per core
1.5 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
2
Max Memory Channels
4
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
5
24
PCIe Lanes
32
