Intel Atom x7405C vs EPYC 4345P
We compared two server CPUs: Intel Atom x7405C with 4 cores 1.7GHz and EPYC 4345P with 8 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Atom x7405C 's Advantages
Lower TDP (12W vs 65W)
EPYC 4345P 's Advantages
Released 1 years and 1 months late
Higher specification of memory (5600 vs 4800)
Newer PCIe version (5 vs 3)
Higher base frequency (3.8GHz vs 1.7GHz)
Larger L3 cache size (32MB vs 6MB)
More modern manufacturing process (4nm vs 10nm)
Score
General Parameters
Apr 2024
Release Date
May 2025
Intel
Manufacturer
AMD
Server
Type
Server
Amston Lake
Core Architecture
Grado
Intel BGA 1264
Socket
AMD Socket AM5
N/A
Integrated Graphics
Radeon Graphics
Atom (Gracemont)
Generation
EPYC (Zen 5 (Grado))
Package
-
Transistor Count
8.315 billions
10 nm
Manufacturing Process
4 nm
12 W
Power Consumption
65 W
-
Peak Operating Temperature
95°C
Intel
Foundry
TSMC
-
Die Size
70.6 mm²
-
I/O Process Size
6 nm
-
I/O Die Size
122 mm²
CPU Performance
1.7 GHz
Performance Core Base Frequency
3.8 GHz
3.4 GHz
Performance Core Turbo Frequency
5.5 GHz
4
Total Core Count
8
4
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
17.0
Multiplier
38.0
96 KB per core
L1 Cache
80 KB per core
2 MB shared
L2 Cache
1 MB per core
6 MB shared
L3 Cache
32 MB shared
No
Unlocked Multiplier
No
1
SMP
1
Memory Parameters
DDR4-3200, DDR5-4800
Memory Types
DDR5-5600
32 GB
Max Memory Size
-
1
Max Memory Channels
2
38.4 GB/s
Max Memory Bandwidth
-
No
ECC Memory Support
Yes
