Xeon 6515P vs Intel Xeon D 1581
We compared two server CPUs: Xeon 6515P with 16 cores 2.3GHz and Intel Xeon D 1581 with 16 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Xeon 6515P 's Advantages
Released 9 years late
Higher specification of memory (6400 vs 4)
Newer PCIe version (5 vs 3)
Higher base frequency (2.3GHz vs 1.8GHz)
Larger L3 cache size (72MB vs 1.5MB)
More modern manufacturing process (5nm vs 14nm)
Intel Xeon D 1581 's Advantages
Lower TDP (65W vs 150W)
Score
General Parameters
Feb 2025
Release Date
Feb 2016
Intel
Manufacturer
Intel
Server
Type
Server
Granite Rapids
Core Architecture
Broadwell
Intel Socket 4710
Socket
Intel BGA 1667
N/A
Integrated Graphics
N/A
Xeon 6 (Granite Rapids-SP)
Generation
Xeon D (Broadwell-DE)
Package
-
Transistor Count
3.2 billions
5 nm
Manufacturing Process
14 nm
150 W
Power Consumption
65 W
100°C
Peak Operating Temperature
80 °C
Intel
Foundry
Intel
-
Die Size
246 mm²
10 nm
I/O Process Size
-
2x 241
I/O Die Size
-
CPU Performance
2.3 GHz
Performance Core Base Frequency
1.8 GHz
3.8 GHz
Performance Core Turbo Frequency
2.4 GHz
16
Total Core Count
16
32
Total Thread Count
32
100 MHz
Bus Frequency
100 MHz
23.0
Multiplier
18.0
112 KB per core
L1 Cache
64 K per core
2 MB per core
L2 Cache
256 K per core
72 MB shared
L3 Cache
1.5 MB per core
No
Unlocked Multiplier
No
2
SMP
1
2
AVX-512 FMA Ports
-
Memory Parameters
DDR5-6400
Memory Types
DDR3,DDR4
4 TB
Max Memory Size
-
8
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
5
PCIe Version
3
88
PCIe Lanes
24
