Atom S1260 vs Xeon E5420
We compared two server CPUs: Atom S1260 with 2 cores 2GHz and Xeon E5420 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 S1260 's Advantages
Released 5 years and 1 months late
More modern manufacturing process (32nm vs 45nm)
Lower TDP (9W vs 80W)
Xeon E5420 's Advantages
Higher specification of memory (3 vs 3)
Higher base frequency (2.5GHz vs 2GHz)
Score
General Parameters
Dec 2012
Release Date
Nov 2007
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
9 W
Power Consumption
80 W
Intel
Foundry
Intel
-
Die Size
2x107 mm²
CPU Performance
2 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
20.0
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
