AMD EPYC 7643P vs Xeon E3 1220 v2
We compared two server CPUs: AMD EPYC 7643P with 48 cores 2.3GHz and Xeon E3 1220 v2 with 4 cores 3.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 7643P 's Advantages
Released 11 years and 4 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 3MB)
More modern manufacturing process (7nm vs 22nm)
Xeon E3 1220 v2 's Advantages
Higher base frequency (3.1GHz vs 2.3GHz)
Lower TDP (69W vs 225W)
Score
Benchmark
Geekbench 6 Single Core
AMD EPYC 7643P
+131%
1420
Xeon E3 1220 v2
614
Geekbench 6 Multi Core
AMD EPYC 7643P
1431
Xeon E3 1220 v2
+36%
1951
General Parameters
Sep 2023
Release Date
May 2012
AMD
Manufacturer
Intel
Server
Type
Server
Milan
Core Architecture
Ivy Bridge
AMD Socket SP3
Socket
Intel Socket 1155
N/A
Integrated Graphics
N/A
EPYC (Zen 3 (Milan))
Generation
Xeon E3 (Ivy Bridge)
Package
33.2 billions
Transistor Count
1.4 billions
7 nm
Manufacturing Process
22 nm
225 W
Power Consumption
69 W
TSMC
Foundry
Intel
8x81 mm²
Die Size
160 mm²
12 nm
I/O Process Size
-
416 mm²
I/O Die Size
-
CPU Performance
2.3 GHz
Performance Core Base Frequency
3.1 GHz
3.6 GHz
Performance Core Turbo Frequency
3.5 GHz
48
Total Core Count
4
96
Total Thread Count
4
100 MHz
Bus Frequency
100 MHz
23.0
Multiplier
31.0
64 KB per core
L1 Cache
64 KB per core
512 KB per core
L2 Cache
256 KB per core
256 MB shared
L3 Cache
3 MB shared
No
Unlocked Multiplier
No
8
Cores per CCD
-
1
SMP
1
Memory Parameters
DDR4-3200
Memory Types
DDR3
8
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
4
PCIe Version
3
128
PCIe Lanes
16
