AMD EPYC 7643 vs AMD Opteron 154
We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and Opteron 154 with 1 cores 2.8GHz . 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 15 years and 7 months late
Higher specification of memory (3200 vs 400)
More modern manufacturing process (7nm vs 90nm)
AMD Opteron 154 's Advantages
Higher base frequency (2.8GHz vs 2.3GHz)
Lower TDP (104W vs 225W)
Score
General Parameters
Mar 2021
Release Date
Aug 2005
AMD
Manufacturer
AMD
Server
Type
Server
-
-
-
Milan
Core Architecture
Venus
-
-
-
AMD Socket SP3
Socket
AMD Socket 939
N/A
Integrated Graphics
On certain motherboards (Chipset feature)
EPYC (Zen 3 (Milan))
Generation
Opteron (Venus (E4))
Package
33.2 billions
Transistor Count
0.114 billions
7 nm
Manufacturing Process
90 nm
-
-
-
225 W
Power Consumption
104 W
-
-
-
-
-
-
TSMC
Foundry
-
8x81 mm²
Die Size
115 mm²
12 nm
I/O Process Size
-
416 mm²
I/O Die Size
-
-
-
-
CPU Performance
-
-
-
-
-
-
2.3 GHz
Performance Core Base Frequency
2.8 GHz
3.6 GHz
Performance Core Turbo Frequency
0
-
-
-
-
-
-
-
-
-
-
-
-
48
Total Core Count
1
96
Total Thread Count
1
100 MHz
Bus Frequency
200 MHz
23.0
Multiplier
14.0
-
-
-
64 KB per core
L1 Cache
128 KB
512 KB per core
L2 Cache
1 MB
256 MB shared
L3 Cache
-
No
Unlocked Multiplier
No
CCDs
6
Cores per CCD
-
2
SMP
1
-
-
-
-
-
-
Memory Parameters
DDR4-3200
Memory Types
DDR1-400
-
-
-
8
Max Memory Channels
2
-
-
-
Yes
ECC Memory Support
No
Graphics Card Parameters
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
AI Accelerator
-
-
-
-
-
-
Miscellaneous
-
-
-
4
PCIe Version
-
128
PCIe Lanes
-
-
-
-
-
