AMD EPYC 7643 vs Intel Xeon E7-2803
We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and Xeon E7 2803 with 6 cores 1.733GHz . 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 9 years and 11 months late
Higher specification of memory (3200 vs 1333)
Higher base frequency (2.3GHz vs 1.733GHz)
Larger L3 cache size (256MB vs 18MB)
More modern manufacturing process (7nm vs 32nm)
Intel Xeon E7-2803 's Advantages
Lower TDP (105W vs 225W)
Score
General Parameters
Mar 2021
Release Date
Apr 2011
AMD
Manufacturer
Intel
Server
Type
Server
-
-
-
Milan
Core Architecture
Westmere-EX
-
-
-
AMD Socket SP3
Socket
Intel Socket 1567
N/A
Integrated Graphics
N/A
EPYC (Zen 3 (Milan))
Generation
Xeon E7(Westmere-EX)
Package
33.2 billions
Transistor Count
2.6 billions
7 nm
Manufacturing Process
32 nm
-
-
-
225 W
Power Consumption
105 W
-
-
-
-
-
-
TSMC
Foundry
Intel
8x81 mm²
Die Size
513 mm²
12 nm
I/O Process Size
-
416 mm²
I/O Die Size
-
-
-
-
CPU Performance
-
-
-
-
-
-
2.3 GHz
Performance Core Base Frequency
1.733 GHz
3.6 GHz
Performance Core Turbo Frequency
0
-
-
-
-
-
-
-
-
-
-
-
-
48
Total Core Count
6
96
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
23.0
Multiplier
13.0
-
-
-
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
18 MB shared
No
Unlocked Multiplier
No
CCDs
6
Cores per CCD
-
2
SMP
2
-
-
-
-
-
-
Memory Parameters
DDR4-3200
Memory Types
DDR3-1333
-
-
-
8
Max Memory Channels
4
-
-
-
Yes
ECC Memory Support
Yes
Graphics Card Parameters
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
AI Accelerator
-
-
-
-
-
-
Miscellaneous
-
-
-
4
PCIe Version
-
128
PCIe Lanes
-
-
-
-
-
