Home Comparison Intel Xeon E5645 vs AMD EPYC 9655

Intel Xeon E5645 vs AMD EPYC 9655

Intel Xeon E5645
VS
AMD EPYC 9655
Intel Xeon E5645
AMD EPYC 9655
We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and AMD EPYC 9655 with 96 cores 2.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages
Lower TDP (80W vs 400W)
AMD EPYC 9655 's Advantages
Released 14 years and 7 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.6GHz vs 2.4GHz)
Larger L3 cache size (384MB vs 12MB)
More modern manufacturing process (4nm vs 32nm)

Score

Intel Xeon E5645
VS
AMD EPYC 9655

General Parameters

Mar 2010
Release Date
Oct 2024
Intel
Manufacturer
AMD
Server
Type
Server
Westmere-EP
Core Architecture
Turin
Intel Socket 1366
Socket
AMD Socket SP5
N/A
Integrated Graphics
N/A
Xeon (Westmere-EP)
Generation
EPYC(Zen 5 (Turin))

Package

1.17 billions
Transistor Count
99.78 billions
32 nm
Manufacturing Process
4 nm
80 W
Power Consumption
400 W
Intel
Foundry
TSMC
239 mm²
Die Size
12x70.6 mm²
-
I/O Process Size
6 nm
-
I/O Die Size
mm²

CPU Performance

-
Performance Cores
96
-
Performance Core Threads
192
2.4 GHz
Performance Core Base Frequency
2.6 GHz
2.666 GHz
Performance Core Turbo Frequency
4.5 GHz
6
Total Core Count
96
12
Total Thread Count
192
133 MHz
Bus Frequency
100 MHz
18.0
Multiplier
26.0
64 K per core
L1 Cache
80 KB per core
256 K per core
L2 Cache
1 MB per core
12 MB shared
L3 Cache
384 MB shared
No
Unlocked Multiplier
No
2
SMP
2

Memory Parameters

DDR3
Memory Types
DDR5-6000
-
Max Memory Size
6 TB
3
Max Memory Channels
12
-
Max Memory Bandwidth
576 GB/s
Yes
ECC Memory Support
Yes

Miscellaneous

-
Official Website
AMD EPYC 9655
2
PCIe Version
5
-
PCIe Lanes
128

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