Home Comparison Intel Xeon W 2123 vs Intel Xeon E5645

Intel Xeon W 2123 vs Intel Xeon E5645

Intel Xeon W 2123
VS
Intel Xeon E5645
Intel Xeon W-2123
Intel Xeon E5645
We compared two server CPUs: Intel Xeon W 2123 with 4 cores 3.6GHz 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 W 2123 's Advantages
Released 7 years and 5 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.6GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5645 's Advantages
Larger L3 cache size (12MB vs 8.25MB)
Lower TDP (80W vs 120W)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon W 2123 +184%
1207
Intel Xeon E5645
425
Geekbench 6 Multi Core
Intel Xeon W 2123 +29%
4052
Intel Xeon E5645
3117
Intel Xeon W 2123
VS
Intel Xeon E5645

General Parameters

Aug 2017
Release Date
Mar 2010
Intel
Manufacturer
Intel
Server
Type
Server
Skylake-W
Core Architecture
Westmere-EP
Intel Socket 2066
Socket
Intel Socket 1366
N/A
Integrated Graphics
N/A
Xeon W (Skylake-W)
Generation
Xeon (Westmere-EP)

Package

-
Transistor Count
1.17 billions
14 nm
Manufacturing Process
32 nm
120 W
Power Consumption
80 W
64 °C
Peak Operating Temperature
-
Intel
Foundry
Intel
484 mm²
Die Size
239 mm²

CPU Performance

3.6 GHz
Performance Core Base Frequency
2.4 GHz
3.9 GHz
Performance Core Turbo Frequency
2.666 GHz
4
Total Core Count
6
8
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
36.0
Multiplier
18.0
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
8.25 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
1
SMP
2
2
AVX-512 FMA Ports
-

Memory Parameters

DDR4-2666
Memory Types
DDR3
4
Max Memory Channels
3
Yes
ECC Memory Support
Yes

Miscellaneous

3
PCIe Version
2
48
PCIe Lanes
-

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