Home Comparison Intel Xeon E5645 vs Intel Xeon E5 2603 v3

Intel Xeon E5645 vs Intel Xeon E5 2603 v3

Intel Xeon E5645
VS
Intel Xeon E5 2603 v3
Intel Xeon E5645
Intel Xeon E5-2603 v3
We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Intel Xeon E5 2603 v3 with 6 cores 1.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages
Higher base frequency (2.4GHz vs 1.6GHz)
Lower TDP (80W vs 85W)
Intel Xeon E5 2603 v3 's Advantages
Released 4 years and 6 months late
Higher specification of memory (1600 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5645
425
Intel Xeon E5 2603 v3 +31%
558
Geekbench 6 Multi Core
Intel Xeon E5645 +22%
3117
Intel Xeon E5 2603 v3
2541
Intel Xeon E5645
VS
Intel Xeon E5 2603 v3

General Parameters

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

Package

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

CPU Performance

2.4 GHz
Performance Core Base Frequency
1.6 GHz
2.666 GHz
Performance Core Turbo Frequency
0
6
Total Core Count
6
12
Total Thread Count
6
133 MHz
Bus Frequency
100 MHz
18.0
Multiplier
16.0
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
15 MB shared
No
Unlocked Multiplier
No
2
SMP
2

Memory Parameters

DDR3
Memory Types
DDR4-1600
3
Max Memory Channels
4
Yes
ECC Memory Support
Yes

Miscellaneous

2
PCIe Version
3
-
PCIe Lanes
40

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