Home Comparison Intel Xeon E5645 vs Intel Xeon E5 2689

Intel Xeon E5645 vs Intel Xeon E5 2689

Intel Xeon E5645
VS
Intel Xeon E5 2689
Intel Xeon E5645
Intel Xeon E5-2689
We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Intel Xeon E5 2689 with 8 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 115W)
Intel Xeon E5 2689 's Advantages
Released 2 years late
Higher specification of memory (1600 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.6GHz vs 2.4GHz)
Larger L3 cache size (20MB vs 12MB)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5645
425
Intel Xeon E5 2689 +31%
560
Geekbench 6 Multi Core
Intel Xeon E5645
3117
Intel Xeon E5 2689 +6%
3329
Intel Xeon E5645
VS
Intel Xeon E5 2689

General Parameters

Mar 2010
Release Date
Mar 2012
Intel
Manufacturer
Intel
Server
Type
Server
Westmere-EP
Core Architecture
Sandy Bridge-EP
Intel Socket 1366
Socket
Intel Socket 2011
N/A
Integrated Graphics
N/A
Xeon (Westmere-EP)
Generation
Xeon E5 (Sandy Bridge-EP)

Package

1.17 billions
Transistor Count
2.27 billions
32 nm
Manufacturing Process
32 nm
80 W
Power Consumption
115 W
Intel
Foundry
Intel
239 mm²
Die Size
435 mm²

CPU Performance

2.4 GHz
Performance Core Base Frequency
2.6 GHz
2.666 GHz
Performance Core Turbo Frequency
3.6 GHz
6
Total Core Count
8
12
Total Thread Count
16
133 MHz
Bus Frequency
100 MHz
18.0
Multiplier
26.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
12 MB shared
L3 Cache
20 MB shared
No
Unlocked Multiplier
No
2
SMP
2

Memory Parameters

DDR3
Memory Types
DDR3-1600
3
Max Memory Channels
4
Yes
ECC Memory Support
Yes

Miscellaneous

2
PCIe Version
3
-
PCIe Lanes
40

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