Home Comparison Intel Xeon E5 2620 v3 vs Intel Xeon E5645

Intel Xeon E5 2620 v3 vs Intel Xeon E5645

Intel Xeon E5 2620 v3
VS
Intel Xeon E5645
Intel Xeon E5-2620 v3
Intel Xeon E5645
We compared two server CPUs: Intel Xeon E5 2620 v3 with 6 cores 2.4GHz 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 2620 v3 's Advantages
Released 4 years and 6 months late
Higher specification of memory (1866 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5645 's Advantages
Lower TDP (80W vs 85W)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5 2620 v3 +142%
1032
Intel Xeon E5645
425
Geekbench 6 Multi Core
Intel Xeon E5 2620 v3 +19%
3719
Intel Xeon E5645
3117
Intel Xeon E5 2620 v3
VS
Intel Xeon E5645

General Parameters

Sep 2014
Release Date
Mar 2010
Intel
Manufacturer
Intel
Server
Type
Server
Haswell-EP
Core Architecture
Westmere-EP
Intel Socket 2011-3
Socket
Intel Socket 1366
N/A
Integrated Graphics
N/A
Xeon E5 (Haswell-EP)
Generation
Xeon (Westmere-EP)

Package

2.6 billions
Transistor Count
1.17 billions
22 nm
Manufacturing Process
32 nm
85 W
Power Consumption
80 W
Intel
Foundry
Intel
356 mm²
Die Size
239 mm²

CPU Performance

2.4 GHz
Performance Core Base Frequency
2.4 GHz
3.2 GHz
Performance Core Turbo Frequency
2.666 GHz
6
Total Core Count
6
12
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
24.0
Multiplier
18.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
15 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
2
SMP
2

Memory Parameters

DDR4-1866
Memory Types
DDR3
4
Max Memory Channels
3
Yes
ECC Memory Support
Yes

Miscellaneous

3
PCIe Version
2
40
PCIe Lanes
-

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