Atom S1220 vs AMD EPYC 7643
We compared two server CPUs: Atom S1220 with 2 cores 1.6GHz and AMD EPYC 7643 with 48 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Atom S1220 's Advantages
Lower TDP (8W vs 225W)
AMD EPYC 7643 's Advantages
Released 8 years and 3 months late
Higher specification of memory (3200 vs 3)
Higher base frequency (2.3GHz vs 1.6GHz)
More modern manufacturing process (7nm vs 32nm)
Score
General Parameters
Dec 2012
Release Date
Mar 2021
Intel
Manufacturer
AMD
Server
Type
Server
Centerton
Core Architecture
Milan
Intel BGA 1283
Socket
AMD Socket SP3
N/A
Integrated Graphics
N/A
Atom (Centerton)
Generation
EPYC (Zen 3 (Milan))
Package
-
Transistor Count
33.2 billions
32 nm
Manufacturing Process
7 nm
8 W
Power Consumption
225 W
Intel
Foundry
TSMC
-
Die Size
8x81 mm²
-
I/O Process Size
12 nm
-
I/O Die Size
416 mm²
CPU Performance
1.6 GHz
Performance Core Base Frequency
2.3 GHz
0
Performance Core Turbo Frequency
3.6 GHz
2
Total Core Count
48
4
Total Thread Count
96
100 MHz
Bus Frequency
100 MHz
16.0
Multiplier
23.0
56 K per core
L1 Cache
64 KB per core
512 K per core
L2 Cache
512 KB per core
-
L3 Cache
256 MB shared
No
Unlocked Multiplier
No
-
Cores per CCD
6
1
SMP
2
Memory Parameters
DDR3
Memory Types
DDR4-3200
Max Memory Channels
8
No
ECC Memory Support
Yes
Miscellaneous
-
PCIe Version
4
-
PCIe Lanes
128
