AMD EPYC 7643 vs AMD Opteron 43CX EE
We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and Opteron 43CX EE with 4 cores 2.2GHz . 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 2.2GHz)
Larger L3 cache size (256MB vs 8MB)
More modern manufacturing process (7nm vs 32nm)
AMD Opteron 43CX EE 's Advantages
Lower TDP (35W vs 225W)
Score
General Parameters
Mar 2021
Release Date
Dec 2012
AMD
Manufacturer
AMD
Server
Type
Server
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-
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Milan
Core Architecture
Seoul
-
-
-
AMD Socket SP3
Socket
AMD Socket C32
N/A
Integrated Graphics
N/A
EPYC (Zen 3 (Milan))
Generation
Opteron (Seoul)
Package
33.2 billions
Transistor Count
1.2 billions
7 nm
Manufacturing Process
32 nm
-
-
-
225 W
Power Consumption
35 W
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-
-
-
-
-
TSMC
Foundry
-
8x81 mm²
Die Size
315 mm²
12 nm
I/O Process Size
-
416 mm²
I/O Die Size
-
-
-
-
CPU Performance
-
-
-
-
-
-
2.3 GHz
Performance Core Base Frequency
2.2 GHz
3.6 GHz
Performance Core Turbo Frequency
3 GHz
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-
-
-
-
-
-
-
-
-
-
-
48
Total Core Count
4
96
Total Thread Count
4
100 MHz
Bus Frequency
200 MHz
23.0
Multiplier
11.0
-
-
-
64 KB per core
L1 Cache
192 K
512 KB per core
L2 Cache
4 MB
256 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
CCDs
6
Cores per CCD
-
2
SMP
2
-
-
-
-
-
-
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
-
-
-
-
-
