Atom S1240 vs Xeon L5420
We compared two server CPUs: Atom S1240 with 2 cores 1.6GHz 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
Atom S1240 's Advantages
Released 4 years and 9 months late
More modern manufacturing process (32nm vs 45nm)
Lower TDP (6W vs 50W)
Xeon L5420 's Advantages
Higher specification of memory (3 vs 3)
Higher base frequency (2.5GHz vs 1.6GHz)
Score
General Parameters
Dec 2012
Release Date
Mar 2008
Intel
Manufacturer
Intel
Server
Type
Server
Centerton
Core Architecture
Harpertown
Intel BGA 1283
Socket
Intel Socket 771
N/A
Integrated Graphics
N/A
Atom (Centerton)
Generation
Xeon (Harpertown)
Package
-
Transistor Count
0.82 billions
32 nm
Manufacturing Process
45 nm
6 W
Power Consumption
50 W
Intel
Foundry
Intel
-
Die Size
2x107 mm²
CPU Performance
1.6 GHz
Performance Core Base Frequency
2.5 GHz
0
Performance Core Turbo Frequency
0
2
Total Core Count
4
4
Total Thread Count
4
100 MHz
Bus Frequency
333 MHz
16.0
Multiplier
7.5
56 K per core
L1 Cache
64 KB per core
512 K per core
L2 Cache
6 MB per die
No
Unlocked Multiplier
No
1
SMP
2
Memory Parameters
DDR3
Memory Types
DDR2, DDR3
Depends on motherboard
Max Memory Channels
2
No
ECC Memory Support
Yes
Miscellaneous
-
PCIe Version
2
