Home Comparison Intel Xeon E5 2680 vs Intel Xeon E5645

Intel Xeon E5 2680 vs Intel Xeon E5645

We compared two server CPUs: Intel Xeon E5 2680 with 8 cores 2.7GHz and Intel Xeon E5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2680 's Advantages
Released 2 years late
Newer PCIe version (3 vs 2)
Higher base frequency (2.7GHz vs 2.4GHz)
Larger L3 cache size (20MB vs 12MB)
Intel Xeon E5645 's Advantages
Lower TDP (80W vs 130W)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5 2680 +122%
947
Intel Xeon E5645
425
Geekbench 6 Multi Core
Intel Xeon E5 2680 +70%
5316
Intel Xeon E5645
3117
VS

General Parameters

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

Package

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

CPU Performance

2.7 GHz
Performance Core Base Frequency
2.4 GHz
3.5 GHz
Performance Core Turbo Frequency
2.666 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
27.0
Multiplier
18.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
20 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
2
SMP
2

Memory Parameters

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

Miscellaneous

3
PCIe Version
2

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