Intel Xeon E3 1275 v5 vs Xeon L5420
We compared two server CPUs: Intel Xeon E3 1275 v5 with 4 cores 3.6GHz and Xeon L5420 with 4 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E3 1275 v5 's Advantages
Released 7 years and 7 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.6GHz vs 2.5GHz)
More modern manufacturing process (14nm vs 45nm)
Xeon L5420 's Advantages
Lower TDP (50W vs 80W)
Score
Benchmark
Geekbench 6 Single Core
Intel Xeon E3 1275 v5
+263%
1347
Xeon L5420
371
Geekbench 6 Multi Core
Intel Xeon E3 1275 v5
+307%
4527
Xeon L5420
1110
General Parameters
Oct 2015
Release Date
Mar 2008
Intel
Manufacturer
Intel
Server
Type
Server
Skylake-DT
Core Architecture
Harpertown
Intel Socket 1151
Socket
Intel Socket 771
HD Graphics P530
Integrated Graphics
N/A
Xeon E3 (Skylake-DT)
Generation
Xeon (Harpertown)
Package
1.75 billions
Transistor Count
0.82 billions
14 nm
Manufacturing Process
45 nm
80 W
Power Consumption
50 W
Intel
Foundry
Intel
122 mm²
Die Size
2x107 mm²
CPU Performance
3.6 GHz
Performance Core Base Frequency
2.5 GHz
4 GHz
Performance Core Turbo Frequency
0
4
Total Core Count
4
8
Total Thread Count
4
100 MHz
Bus Frequency
333 MHz
36.0
Multiplier
7.5
64 K per core
L1 Cache
64 KB per core
256 K per core
L2 Cache
6 MB per die
8 MB shared
L3 Cache
-
No
Unlocked Multiplier
No
1
SMP
2
Memory Parameters
DDR3,DDR4-2133
Memory Types
DDR2, DDR3
Depends on motherboard
2
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
2
16
PCIe Lanes
-
