Intel Xeon E7 8870 vs Xeon 6556P B
We compared two server CPUs: Intel Xeon E7 8870 with 10 cores 2.4GHz 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 E7 8870 's Advantages
Higher base frequency (2.4GHz vs 2.3GHz)
Lower TDP (130W vs 215W)
Xeon 6556P B 's Advantages
Released 13 years and 10 months late
Higher specification of memory (6400 vs 3)
Larger L3 cache size (144MB vs 30MB)
More modern manufacturing process (5nm vs 32nm)
Score
General Parameters
Apr 2011
Release Date
Feb 2025
Intel
Manufacturer
Intel
Server
Type
Server
Westmere-EX
Core Architecture
Granite Rapids
Intel Socket 1567
Socket
Intel BGA 4368
N/A
Integrated Graphics
N/A
Xeon E7 (Westmere-EX)
Generation
Xeon 6 (Granite Rapids-D)
Package
2.6 billions
Transistor Count
-
32 nm
Manufacturing Process
5 nm
130 W
Power Consumption
215 W
Intel
Foundry
Intel
513 mm²
Die Size
598 mm²
-
I/O Process Size
10 nm
CPU Performance
2.4 GHz
Performance Core Base Frequency
2.3 GHz
2.8 GHz
Performance Core Turbo Frequency
3.5 GHz
10
Total Core Count
36
20
Total Thread Count
72
133 MHz
Bus Frequency
100 MHz
18.0
Multiplier
23.0
64 K per core
L1 Cache
112 KB per core
256 K per core
L2 Cache
2 MB per core
30 MB shared
L3 Cache
144 MB shared
No
Unlocked Multiplier
No
8
SMP
2
-
AVX-512 FMA Ports
2
Memory Parameters
DDR3
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
