Xeon E5420 vs Intel Atom x7809C
We compared two server CPUs: Xeon E5420 with 4 cores 2.5GHz and Intel Atom x7809C with 8 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Xeon E5420 's Advantages
Higher base frequency (2.5GHz vs 2GHz)
Intel Atom x7809C 's Advantages
Released 16 years and 5 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (10nm vs 45nm)
Lower TDP (25W vs 80W)
Score
Benchmark
Geekbench 6 Single Core
Xeon E5420
365
Intel Atom x7809C
+219%
1167
Geekbench 6 Multi Core
Xeon E5420
1054
Intel Atom x7809C
+378%
5041
General Parameters
Nov 2007
Release Date
Apr 2024
Intel
Manufacturer
Intel
Server
Type
Server
Harpertown
Core Architecture
Amston Lake
Intel Socket 771
Socket
Intel BGA 1264
N/A
Integrated Graphics
N/A
Xeon (Harpertown)
Generation
Atom (Gracemont)
Package
0.82 billions
Transistor Count
-
45 nm
Manufacturing Process
10 nm
80 W
Power Consumption
25 W
Intel
Foundry
Intel
2x107 mm²
Die Size
-
CPU Performance
2.5 GHz
Performance Core Base Frequency
2 GHz
0
Performance Core Turbo Frequency
3.6 GHz
4
Total Core Count
8
4
Total Thread Count
8
333 MHz
Bus Frequency
100 MHz
7.5
Multiplier
20.0
64 KB per core
L1 Cache
96 KB per core
6 MB per die
L2 Cache
2 MB per module
-
L3 Cache
6 MB shared
No
Unlocked Multiplier
No
2
SMP
1
Memory Parameters
DDR2, DDR3
Depends on motherboard
Memory Types
DDR4-3200, DDR5-4800
-
Max Memory Size
32 GB
2
Max Memory Channels
1
-
Max Memory Bandwidth
38.4 GB/s
Yes
ECC Memory Support
No
