Intel Atom x7405C vs Intel Xeon E5645
We compared two server CPUs: Intel Atom x7405C with 4 cores 1.7GHz and Intel Xeon E5645 with 6 cores 2.4GHz . 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 14 years and 1 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (12W vs 80W)
Intel Xeon E5645 's Advantages
Higher base frequency (2.4GHz vs 1.7GHz)
Larger L3 cache size (12MB vs 6MB)
Score
Benchmark
Geekbench 6 Single Core
Intel Atom x7405C
+110%
893
Intel Xeon E5645
425
Geekbench 6 Multi Core
Intel Atom x7405C
2485
Intel Xeon E5645
+25%
3117
General Parameters
Apr 2024
Release Date
Mar 2010
Intel
Manufacturer
Intel
Server
Type
Server
Amston Lake
Core Architecture
Westmere-EP
Intel BGA 1264
Socket
Intel Socket 1366
N/A
Integrated Graphics
N/A
Atom (Gracemont)
Generation
Xeon (Westmere-EP)
Package
-
Transistor Count
1.17 billions
10 nm
Manufacturing Process
32 nm
12 W
Power Consumption
80 W
Intel
Foundry
Intel
-
Die Size
239 mm²
CPU Performance
1.7 GHz
Performance Core Base Frequency
2.4 GHz
3.4 GHz
Performance Core Turbo Frequency
2.666 GHz
4
Total Core Count
6
4
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
17.0
Multiplier
18.0
96 KB per core
L1 Cache
64 K per core
2 MB shared
L2 Cache
256 K per core
6 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
1
SMP
2
Memory Parameters
DDR4-3200, DDR5-4800
Memory Types
DDR3
32 GB
Max Memory Size
-
1
Max Memory Channels
3
38.4 GB/s
Max Memory Bandwidth
-
No
ECC Memory Support
Yes
