Home Comparison Intel Xeon E5 2643 vs Intel Xeon Gold 6421N

Intel Xeon E5 2643 vs Intel Xeon Gold 6421N

Intel Xeon E5 2643
VS
Intel Xeon Gold 6421N
Intel Xeon E5-2643
Intel Xeon Gold 6421N
We compared two server CPUs: Intel Xeon E5 2643 with 4 cores 3.3GHz and Intel Xeon Gold 6421N with 32 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2643 's Advantages
Higher base frequency (3.3GHz vs 1.8GHz)
Lower TDP (130W vs 185W)
Intel Xeon Gold 6421N 's Advantages
Released 10 years and 10 months late
Higher specification of memory (4400 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5 2643
1143
Intel Xeon Gold 6421N +84%
2104
Geekbench 6 Multi Core
Intel Xeon E5 2643
4836
Intel Xeon Gold 6421N +159%
12541
Intel Xeon E5 2643
VS
Intel Xeon Gold 6421N

General Parameters

Mar 2012
Release Date
Jan 2023
Intel
Manufacturer
Intel
Server
Type
Server
Sandy Bridge-EP
Core Architecture
Sapphire Rapids
Intel Socket 2011
Socket
Intel Socket 4677
N/A
Integrated Graphics
N/A
Xeon E5 (Sandy Bridge-EP)
Generation
Xeon Gold (Sapphire Rapids-SP)

Package

1.27 billions
Transistor Count
-
32 nm
Manufacturing Process
10 nm
130 W
Power Consumption
185 W
-
Peak Operating Temperature
85 °C
Intel
Foundry
Intel
294 mm²
Die Size
-

CPU Performance

3.3 GHz
Performance Core Base Frequency
1.8 GHz
3.5 GHz
Performance Core Turbo Frequency
3.6 GHz
4
Total Core Count
32
8
Total Thread Count
64
100 MHz
Bus Frequency
100 MHz
33.0
Multiplier
18.0
64 K per core
L1 Cache
80 K per core
256 K per core
L2 Cache
2 MB per core
10 MB shared
L3 Cache
60 MB
No
Unlocked Multiplier
No
2
SMP
1
-
AVX-512 FMA Ports
2

Memory Parameters

DDR3
Memory Types
DDR5-4400
4
Max Memory Channels
8
Yes
ECC Memory Support
Yes

Miscellaneous

3
PCIe Version
5
-
PCIe Lanes
80

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