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