Home Comparison Intel Xeon E5645 vs Xeon 6979P

Intel Xeon E5645 vs Xeon 6979P

Intel Xeon E5645
VS
Xeon 6979P
Intel Xeon E5645
Intel Xeon 6979P
We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Xeon 6979P with 120 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages
Higher base frequency (2.4GHz vs 2.1GHz)
Lower TDP (80W vs 500W)
Xeon 6979P 's Advantages
Released 14 years and 6 months late
Higher specification of memory (8800 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (504MB vs 12MB)
More modern manufacturing process (5nm vs 32nm)

Score

Intel Xeon E5645
VS
Xeon 6979P

General Parameters

Mar 2010
Release Date
Sep 2024
Intel
Manufacturer
Intel
Server
Type
Server
Westmere-EP
Core Architecture
Granite Rapids
Intel Socket 1366
Socket
Intel Socket 7529
N/A
Integrated Graphics
N/A
Xeon (Westmere-EP)
Generation
Xeon 6(Granite Rapids-AP)

Package

1.17 billions
Transistor Count
-
32 nm
Manufacturing Process
5 nm
80 W
Power Consumption
500 W
-
Peak Operating Temperature
95°C
Intel
Foundry
Intel
239 mm²
Die Size
-
-
I/O Process Size
10 nm

CPU Performance

2.4 GHz
Performance Core Base Frequency
2.1 GHz
2.666 GHz
Performance Core Turbo Frequency
3.9 GHz
6
Total Core Count
120
12
Total Thread Count
240
133 MHz
Bus Frequency
100 MHz
18.0
Multiplier
21.0
64 K per core
L1 Cache
112 KB per core
256 K per core
L2 Cache
2 MB per core
12 MB shared
L3 Cache
504 MB shared
No
Unlocked Multiplier
No
2
SMP
2
-
AVX-512 FMA Ports
2

Memory Parameters

DDR3
Memory Types
DDR5-6400,MRDIMM-8800
-
Max Memory Size
3 TB
3
Max Memory Channels
12
Yes
ECC Memory Support
Yes

Miscellaneous

-
Official Website
Xeon 6979P
2
PCIe Version
5
-
PCIe Lanes
96

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