Intel Atom x7405C vs Xeon E7420
We compared two server CPUs: Intel Atom x7405C with 4 cores 1.7GHz and Xeon E7420 with 4 cores 2.133GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Atom x7405C 's Advantages
Released 15 years and 7 months late
Higher specification of memory (4800 vs 667)
More modern manufacturing process (10nm vs 45nm)
Lower TDP (12W vs 90W)
Xeon E7420 's Advantages
Higher base frequency (2.133GHz vs 1.7GHz)
Larger L3 cache size (8MB vs 6MB)
Score
General Parameters
Apr 2024
Release Date
Sep 2008
Intel
Manufacturer
Intel
Server
Type
Server
Amston Lake
Core Architecture
Dunnington
Intel BGA 1264
Socket
Intel Socket 604
N/A
Integrated Graphics
On certain motherboards (Chipset feature)
Atom (Gracemont)
Generation
Xeon MP (Dunnington)
Package
-
Transistor Count
1.9 billions
10 nm
Manufacturing Process
45 nm
12 W
Power Consumption
90 W
Intel
Foundry
Intel
-
Die Size
503 mm²
CPU Performance
1.7 GHz
Performance Core Base Frequency
2.133 GHz
3.4 GHz
Performance Core Turbo Frequency
0
4
Total Core Count
4
4
Total Thread Count
4
100 MHz
Bus Frequency
266 MHz
17.0
Multiplier
8.0
96 KB per core
L1 Cache
64 KB per core
2 MB shared
L2 Cache
3 MB per module
6 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
1
SMP
4
Memory Parameters
DDR4-3200, DDR5-4800
Memory Types
DDR2, DDR3-667
32 GB
Max Memory Size
-
1
Max Memory Channels
4
38.4 GB/s
Max Memory Bandwidth
-
No
ECC Memory Support
Yes
